11 Highest-Quality Tennis Strings
2025 ~ Player’s Guide
11 Highest-Quality Tennis Strings 2025 ~ Player’s Guide
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Often overlooked or undervalued, tennis strings are as crucial as the frame you choose, delivering a substantial portion of your racquet’s performance when they come in contact with a ball.
From enhancing spin to improving comfort, power, or control, you can achieve a range of advantages, especially when combined with the optimal tension and guage or thickness for your needs.
In 2025, players have access to a dizzying number of strings, not to mention several different styles from numerous brands. While it’s great to have options at various price points, the sheer number of choices makes it challenging, if not downright frustrating, to select the ideal set.
I created this guide to help you cut through the clutter and marketing noise. Beyond carefully selecting my favorites by category and performance characteristic, I’ve provided first-hand insight into what makes them the best.
To kick things off, here are my top picks at a glance.
| Best String | Best Of Category | Type | Price |
| Babolat VS Touch | Natural Gut | Natural Gut | $$$$$ |
| Wilson NXT | Multifilament | Multifilament | $$ |
| Luxilon ALU Power | Polyester (poly) | Polyester | $$$ |
| Solinco Hyper-G Soft | Soft Polyester (poly) | Polyester | $$ |
| Prince Synthetic Gut | Synthetic Gut | Synthetic Gut | $ |
| Wilsons Champions Choice | Hybrid | Hybrid | $$$$ |
| Babolat RPM Blast | Topspin | Polyester | $$ |
| Tecnifibre X-One Biphase | Power | Multifilament | $$$ |
| Solinco Hyper-G | Control | Polyester | $$ |
| Solinco Confidential | Durability | Polyester | $$ |
| Prince Premier Touch | Comfort | Multifilament | $$$ |
My Top 11 String Picks
Below are my picks for the top tennis strings in 2025. As you review my selections, please note that I’ll only allow one string to win best of for a single category.
Therefore, if a string is a candidate for multiple categories, I’ll elect it for the one where it performs best. With that in mind, many of the strings I’ve selected perform exceptionally well in multiple areas.
Natural Gut
As far as tennis strings go, natural gut is some of the best (and priciest) on the market, and up until the 90s, most players considered it the gold standard, used by virtually all professionals.
To the surprise of many, manufacturers create natural gut strings by weaving together several strands of cow intestine.
This string type works well because it offers ideal characteristics, including exceptional elasticity, long-lasting tension maintenance, and arm-friendly comfort. I’ve awarded Babolat VS Touch as the highest-quality natural gut tennis string this year.
Helpful Tip
Natural gut tennis strings are the most expensive category available. If you’re a fan of natural gut but can’t justify the cost, consider using string savers to extend its life and reduce the cost of restringing.
Babolat VS Touch
In 1875, Pierre Babolat developed the first tennis string made of sheep gut, and the evolved, more refined Babolat natural gut they’ve worked to perfect has remained the premiere natural gut ever since.
Players will find Babolat VS Touch delivers power, comfort, and feel. Over the years, the string has also received minor upgrades and revisions to increase its durability and resistance to moisture, which historically are two pitfalls of many strings in this category.
Why I Love It
Power
Hands down, natural gut is the most powerful string on the market, and Babolat’s VS Touch stands at the head of its class.
Comfort
The natural elastic serosa fibers with Babolat VS Touch provide unrivaled comfort. Moreover, the string is unique because it plays super crisp without losing its built-in comfort feel at higher tensions.
Feel
The cherry on top for Babolat VS Touch is its incredible feel, even when strung at high tension, aiding precision and a connected feel with the ball for exceptional touch.
Tradeoffs
The downsides to Babolat VS Touch are spin and control, which go hand in hand. It won’t rival the level of spin you’ll get with a quality set of polyester strings, and some players will find it too powerful.
However, one of the strings’ unique attributes is that its performance doesn’t degrade at higher tensions like many others, which is a great way to rein in its raw power for more control.
Finally, it’s worth noting that this string’s natural fibers will fray. Although typical for natural gut and multifilaments, it may be a turnoff for some.
Ratings
Gauge & Color Variations
- 15L
- 16
- 16 Black
- 16 half set
Natural Gut Alternatives
If you like the idea of natural gut and Babolat VS Touch but want to explore alternatives, start with Wilson Natural Gut. It’s an excellent string comparable to Babolat’s, delivering similar performance. Luxilon’s natural gut is another solid pick from a trusted brand in the string space.
Volkl V-Icon and the more affordable KLIP Legend Natural Gut are other options you might consider. Besides the reasonable price, I especially appreciate the range of KLIP options, which makes it a sensible starting point for players venturing into the world of gut.
Multifilament
Manufacturers construct multifilament strings by weaving together hundreds or thousands of tiny microfibers to form a single strand like natural gut, so it’s a fantastic, less expensive alternative for the price-conscious.
In particular, multifilament tennis strings offer above-average playability and exceptional comfort. If you suffer from tennis elbow or any other arm injury, you’ll likely appreciate their ability to reduce shock and vibration.
There are numerous multifilament tennis strings on the market and more than a handful of terrific options. However, Wilson NXT earns the badge for my favorite.
I also love that this string comes in natural white and black colors. The latter looks as good as it performs.
Wilson NXT
Wilson NXT is a long-standing leader in the multifilament space. It has an impressive following and a proven track record.
This string is an excellent option for players of all ages and levels, whether stringing a full bed or combining it with another string to create a hybrid.
Why I Love It
Power
One of Wilson NXT’s standout features is its power, which it delivers through the combined effort of 1,600 individual microfibers woven together. However, arguably, the best part of its power is that it’s not overbearing.
As a result, most players will find the extra power a welcome feature that enhances the depth of their shots without being overbearing.
Comfort
Wilson NXT is perhaps best known for its comfort, which is the feature that Wilson highlights as the string’s strongest asset.
True to that claim, NXT is easy on the arm but doesn’t sacrifice the response and playability that players demand.
Feel
While Wilson NXT packs a punch on the power end of the spectrum, it still provides excellent feel and delivers all-around playability that suits a broad range of styles and skill levels.
Tradeoffs
The main thing you give up with Wilson NXT is durability, easily the biggest complaint about the string. To compensate, I recommend using the 16 gauge to help extend its life. Spin is also a tradeoff, as the string doesn’t exhibit a strong snap-back effect when striking the ball.
Players who appreciate the string’s qualities but frequently break strings might consider the addition of string savers to extend this its life.
Ratings
Gauge & Color Variations
- 15L
- 16
- 16 black
- 17
- 17 black
Multifilament Alternatives
If you’re looking for an alternative to Wilson NXT, the good news is you’ve got plenty of options. While I give Wilson NXT a slight edge, Technifibre’s X-One Biphase and NRG2 are borderline equivalents, and I’d encourage you to check out all three. For reference, I’d give both of Tecnifibre’s strings the edge if power is high on your list, but I find Wilson NXT to offer more balance.
Another of my favorite multifilaments is Head Velocity MLT for its exceptional price and all-around performance. Other options worth checking out are Gamma TNT2 Touch and Babolat Xcel, which are more durable and play with extra control.
Polyester (Poly)
Polyester tennis strings have become hugely popular in the past 10-15 years, largely thanks to Rafel Nadal’s use of Babolat RPM Blast. This category allows players like Carlos Alcaraz and Iga Swiatek to take massive cuts at the ball and redefine our expectations of what’s possible with topspin.
Unlike multifilaments, consisting of thousands of microfibers, polyester strings are typically monofilaments or a single solid strand or filament.
Many players seek polyester strings for their control, spin, and durability. However, this tends to come with the drawback that they aren’t as forgiving and can be harsh on your arm.
My pick for the highest-quality polyester string in 2025 is Luxilon ALU Power. This string has developed a cult-like following and is wildly popular on the ATP and WTA tours.
Luxilon ALU Power
Luxilon is by far the most dominant brand in polyester tennis strings, and its popularity among professional and competitive tennis players worldwide speaks volumes regarding its performance.
Without question, Luxilon ALU Power exemplifies what modern players expect from poly in terms of control, spin, and durability.
An exciting development for this time-tested polyester is the availability of several new colors, including blue, green, red, and lime. Plus, Luxilon introduced a “soft” version to enhance the string’s comfort.
Let’s examine the key features that make Luxilon ALU Power popular, especially among intermediate to advanced tennis players.
Why I Love It
Control
Luxilon ALU Power delivers outstanding control without sacrificing reliable touch and feel, often a drawback of other polys.
In particular, intermediate to advanced players will love that you can take big swings at the ball without sacrificing control, especially when combined with its ability to help generate spin.
Furthermore, Luxilon ALU Power retains a liveliness, ensuring the string doesn’t feel too underpowered or dull.
Spin
Luxilon ALU Power also delivers excellent spin potential aided by its ability to snap back into place quickly.
True to most polyester strings, the lower power allows players to accelerate their racquet head faster to generate added spin without fear of sending the ball long.
Durability
Luxilon ALU Power doesn’t disappoint in the durability department, which is one of the polyester category’s trademark features.
Not only is it relatively hard to break, but it also does an excellent job maintaining tension, which helps extend the strings’ overall life.
Tradeoffs
Despite its name, the most significant tradeoffs with Luxilon ALU Power are power and comfort. However, it’s simply the cost of the spin and control that this category of strings delivers. Unfortunately, ALU power is no exception to these rules.
Ratings
Gauge & Color Variations
- 15
- 16 (new in 2020)
- 16L
- 16L Blue, Green, Red, Lime
Polyester Alternatives
One of my favorite places to look for Luxilon ALU Power alternatives is among the Luxilon string family. They have a world-class selection, including Luxilon ALU Power Rough, ALU Power Spin, ALU Power Soft, 4G, and Element.
However, if you’re looking outside the Luxilon family of strings, I recommend you check out the following.
- Babolat RPM Blast
- Babolat Pro Hurricane
- Solinco Hyper-G
- Solinco Confidential
- Tecnifibre Ice Code
- Tecnifibre Black Code
- Volkl Cyclone
- Volkl V-Torque
- Yonex Poly Tour Pro
- Yonex Poly Tour Spin
- Wilson Revolve
There’s a lot on offer and plenty of options to suit a wide range of player preferences and budgets.
Soft Polyester (Poly)
Polyester tennis strings are among the best-selling. Unfortunately, as they have grown in popularity among players of all levels over the past few decades, more and more players have suffered from arm injuries and discomfort when using them, especially when combined with a stiffer tennis racquet.
In response, many string manufacturers have introduced updated formulations of their polyester strings, using additives to produce a softer feel that’s easier on a player’s arm and delivers a more comfortable response.
These strings are fantastic options for players with arm issues who still demand polyester performance attributes or those who want to experiment with or transition to polys but are concerned about comfort.
It’s worth noting that the comfort associated with softer polys is relative to the classic stiffness of a typical polyester. As a result, while they produce a gentler response, they’re not as forgiving as a multifilament or natural gut, so if comfort is a top priority, this category will likely be too harsh for your needs.
Considering those nuances, my top pick for the highest-performance soft poly is Solinco Hyper-G Soft.
Solinco Hyper-G Soft
For years, Hyper-G has delivered exceptional performance in the polyester category, so when Solinco announced a soft version of their string, it was a highly anticipated release.
Thankfully, to the delight of many players, Solinco delivered a solid offering. Rather than introducing a watered-down version of their flagship string, they retained the essential control and spin you’d expect from a poly with above-average comfort that’s easier on a player’s arm.
Why I Love It
Spin
Despite its softer formulation, Solinco Hyper-G Soft delivers outstanding spin aided by the string’s shape and slick surface, which quickly snaps back into place to help improve bite and rotation on the ball.
Control
Hyper-G Soft offers more pop than the original, which most players will find translates to marginally less control. Despite that, this feature is undoubtedly one of the string’s standouts, especially when combined with the string’s excellent spin.
Comfort
Although there are certainly more comfortable strings on the market, I’ve found Hyper-G Soft to perform best in this category compared to other soft polys, making it unique. After a few hours on the court, it’s easy to notice how much more forgiving this string is on your arm.
Tradeoffs
Relative to traditional stiffer polyesters, Hyper-G Soft offers a subtle bump in power, which may turn off players looking for maximum control.
Furthermore, due to its softer makeup, the string loses its resilience faster than the original Hyper-G, reducing its playability duration. As a result, players should expect to have to restring more often. However, for many individuals, that’s a perfectly reasonable tradeoff to retain the performance of a poly.
Ratings
Gauge & Color Variations
- 16 (1.30)
- 16L (1.25)
- 17 (1.20)
- 18 (1.15)
Soft Polyester Alternatives
A few years back, the options for soft polys were sparse. However, that has steadily evolved, with more options coming to market as companies recognize the demand and trends in arm injuries continue to increase.
Here are a few of my favorites in this category:
- Luxilon 4G Soft
- Tourna Big Hitter Black
- Luxilon ALU Power Soft
- Solinco Tour Bite Soft
- Head Lynx Black
- Babolat RPM Soft*
Each of these strings delivers above-average comfort roughly on par with Solinco Hyper-G Soft and is worthy of consideration as an alternative.
*Babolat RPM Soft isn’t technically polyester. Instead, it’s a polyamide, belonging to the same family of synthetic materials as nylon and aramids. Its properties aim to provide players with performance similar to a soft poly.
Synthetic Gut
On the lower end of the performance spectrum, synthetic gut strings offer players a reliable and quality product without the higher price tag of natural gut, multifilament, and polyester strings.
As a highlight, they’re inexpensive and well-rounded. However, they won’t provide above-average performance for any attribute, such as the extra comfort of a multifilament or control and spin familiar with polyester.
If anything, synthetic gut strings will lean towards durability, an excellent feature for players looking for an affordable option because it extends their life, which adds to their value.
Helpful Tip
If you’re new to tennis, don’t underestimate synthetic gut strings. They aren’t a category players typically rave about online, but they’re a terrific option when first starting out or for recreational use.
This year, I’m awarding Prince Synthetic Gut the top string in the category. This classic product delivers comfort and adequate power at a wallet-friendly price.
Prince Synthetic Gut
For years, Prince Synthetic Gut has provided recreational players of all ages and levels with a time-tested string that delivers all-around playability at an unbeatable price.
Although it doesn’t provide the unique strengths of other string categories, Prince Synthetic Gut is a cost-effective and balanced choice that will continue to satisfy players worldwide. Plus, it comes in several colors, which is fun for younger players where string performance isn’t a high priority.
Can’t decide which color to buy? Check out their latest evolution, dubbed Prism, which is a rainbow of colors.
Why I Love It
Value
When it comes to the synthetic gut family of strings, value is paramount, and Prince Synthetic Gut delivers at an unbeatable price point.
While you won’t from some of the higher-end features available with natural gut, multifilament, or polyester strings, which are nuanced and take experience to detect, these strings are great all-around performers for the price.
Tradeoffs
Prince Synthetic Gut offers moderate overall performance with less-than-stellar control and feel. As a result, it’s a terrific option for beginners who have yet to develop the technique and skill to distinguish between strings.
They’re also perfect for younger children and recreational players who don’t play frequently or occasionally play for exercise.
Ratings
Gauge & Color Variations
- 16: Prism (rainbow-colored)
- 16: black, gold, silver, blue, purple, red, pink, orange, yellow, green, white
- 17: black, gold, red, pink, orange, green, white
Synthetic Gut Alternatives
There are quite a few alternatives to Prince Synthetic Gut. However, a near equivalent and one I often recommend is Gosen’s OG-Sheep Micro, which is even more affordable. A few others worth considering include:
- Head Synthetic Gut PPS
- Gamma Synthetic Gut
- Ashaway Synthetic Gut
- Wilson Synthetic Gut Power
Overall, any of the above strings is hard to go wrong with, so if you have an affinity for a specific brand, don’t hesitate to choose that option.
Hybrid
One of the challenges players have faced over the years is that nearly every string has distinct pros and cons. For example, many players find multifilaments too powerful and lacking in spin, while polyesters tend to be harsh on the arm.
To compensate for the advantages and disadvantages of different string types, creative players began to combine strings, one set for the mains and another for the crosses, to get the best of both worlds. Over time, this hybrid stringing approach became mainstream for players of all levels.
Helpful Tip
A hybrid can consist of two gauges of the same string – it doesn’t have to be two entirely different types.
Although you can combine any two strings to form a hybrid, I’ve found Wilson Champions Choice, a prepackaged combination, to be the best.
With it, you’ll get Wilson’s Natural Gut and Luxilon ALU Power Rough polyester to balance comfort, power, spin, control, and feel.
Wilson Champions Choice Duo
One of the most compelling aspects of this hybrid string set is that it’s Roger Federer’s string of choice – one of the game’s greatest players of all time.
Of course, beyond name recognition, combining these two exceptional strings provides a unique balance to suit a wide range of players.
Since the characteristics of the main strings will dominate the racquet’s feel, I recommend stringing Luxilon in the mains to maximize durability and control. Meanwhile, Wilson’s natural gut in the mains will have a softer feel and increased playability.
While preferences differ, and there is no right or wrong approach, I find the natural gut in the mains to be the ideal setup with this string set. It’s also the most common approach when stringing a hybrid with gut and polyester.
Why I Love It
Power
With Wilson’s Natural Gut in the mains, Champions Choice delivers more than enough power. However, it’s not overbearing because Luxilon ALU Power Rough is a lower-powered string that balances it out. Combined, it’s an excellent pair for increasing the pace of your shots without giving up control.
Comfort
It’s hard to beat this combination for players looking to enhance spin potential without sacrificing comfort. While a full bed of natural gut undoubtedly achieves a softer response, the tradeoff between spin and control is significant, making this the perfect match for high-performance comfort.
Control
Although somewhat counterintuitive because this string offers higher power, it also delivers exceptional control with plenty of spin as you benefit from the pronounced snap effect of Luxilon ALU Power rough.
Tradeoffs
Hybrid stringing with natural gut and polyester is a double-edged sword. While the combination offers a blend of characteristics, you don’t get the full benefit of either string type and end up meeting somewhere in the middle.
For many players, this might offer an ideal scenario. However, it may leave others wanting. In particular, players used to full polyester string setups may find Wilson Champions Choice a bit too high-powered and lacking in the spin and control departments, so you’ll need to consider these tradeoffs.
Ratings
Gauge & Color Variations
- n/a
Hybrid Alternatives
The higher price tag of this string set will be a turnoff for many. Therefore, I recommend players check out Wilson’s Control Duo Hybrid, a combination of Wilson NXT Tour and Luxilon ALU Power, as a lower-priced option.
Additional hybrid strings I’d recommend include:
- Babolat Hybrid RPM Blast + VS Gut
- KLIP X-Plosive Gut/Poly Hybrid
Of course, the possibilities are endless, as you can combine any two strings to form your hybrid setup. For example, Babolat VS Touch and Luxilon ALU Power are excellent and roughly on par with Wilson Champions Choice.
Topspin
One of the most sought-after attributes for tennis players is the ability to generate massive topspin similar to top-ranked like Carlos Alcaraz and Iga Swiatek, who dominate the game with their superhuman groundstrokes.
If you’re part of this camp, there’s no doubt that polyester tennis strings are a fantastic choice. Their slick surface and ability to snap back into place are dynamic combinations to help you further enhance your topspin.
However, while more than a handful of polyester strings are available, one stands out as the best for topspin: Babolat RPM Blast.
Babolat RPM Blast
Babolat RPM Blast features a distinctive formula that creates an ultra-smooth surface, minimizing friction. Meanwhile, its elasticity allows the strings to rebound swiftly upon contact, enhancing bite and improving ball rotation.
This string also has a unique octagonal shape that helps grab the ball and increases its topspin potential further, which is second to none.
However, Babolat RPM Blast stands out because it’s surprisingly comfortable for a polyester string. This attribute makes it a terrific option for anyone looking to test the waters with this type of string for topspin and control.
Why I Love It
Spin
Babolat RPM Blast’s defining feature is its ability to maximize spin, which is immediately apparent when hitting groundstrokes. The ball propels itself off my strings with impressive action and ease.
Control
The spin and low power of the RPM Blast allow me to swing freely and strike the ball with authority. This force creates topspin that ensures I can confidently clear the net while knowing the ball will drop back into the court. As a result, it alleviates concerns about the ball going out of bounds.
Together, these attributes give me a strong sense of control, which allows me to dictate points and move players around to construct points effectively.
Durability
Although durability isn’t always the most exciting feature of a tennis string, Babolat RPM Blast delivers in this category. It’s a string that resists wear and tear, a significant bonus for chronic string breakers. Most players will find they’ll cut out RPM Blast to replace them before they break.
Tradeoffs
As you might expect from a poly, the most significant tradeoff with Babolat RPM Blast is its lower power and comfort relative to other strings. While the low power makes this string stand out in the category, it can frustrate some players with a lack of pace, especially with a lower-powered racquet.
Furthermore, it’s a stiffer poly and nowhere near as comfortable as gut or multifilaments. Therefore, I strongly recommend that players consider this aspect before trying it.
Ratings
Gauge & Color Variations
- 16
- 17
- 18
Alternatives for Topspin
Although RPM Blast is my top pick, plenty of other polyester strings deliver comparable performance. Here are a few of my favorites that excel in delivering above-average spin.
- Diadem Solstice Power
- Luxilon ALU Power Rough
- Luxilon ALU Power Spin
- Solinco Hyper-G
- Solinco Confidential
- Tecnifibre Ice Code
- Volkl Cyclone
- Volk V-Square
- Volk V-Torque
There’s a lot here to consider with a range of price points, but I’m confident you’ll find one you love with some exploration and testing.
Control
Since the start, control has been essential for players to succeed in the sport. However, this attribute has become increasingly crucial as tennis has evolved with stronger players and more aggressive shot-making.
A control-oriented string might be a great option if you want to tone down your racquet’s power or reduce the likelihood of overhitting with the benefit of added topspin that gives you more margin for error to keep the ball in play.
Players seeking to enhance control will find polyester strings excellent, low-powered, and spin-friendly options for more precise hitting.
However, not all polyester is equal, so it pays to know your options. In this case, I’ve named Solinco Hyper-G the best-performing tennis string for control.
Solinco Hyper-G
If control is a priority, look no further than Solinco Hyper-G, a bright green co-poly with a cult-like following. Its firm, ultra-low-powered design sets it apart from similar offerings, which allows you to swing harder to increase your racquet head speed and generate more spin for added precision.
Hyper-G is square-shaped, with four prominent edges that embed into and grip the ball to increase rotation. Combined with the ability to snap back into place and its lower power, you have excellent topspin potential to dictate placement.
However, the string’s superb feel and best-in-class control—something only a handful of polys manage to achieve—are the primary reasons it tops my list of strings in this category.
Why I Love It
Control
A consistent response or knowing what to expect every time the ball leaves the stringbed is a big part of producing a string with a greater sense of control, and Hyper-G checks the right boxes to make that happen.
Spin
Topspin plays a significant role in a player’s control. The more you have, the more you can swing through the ball while maintaining confidence it will clear the net and drop back into the court.
Although it doesn’t quite match Babolat RPM Blast in this category, it’s a strong contender and excellent from the back of the court.
Feel
When you think of polyester tennis strings, feel might not be the first thing that comes to mind. However, Solinco Hyper-G delivers a welcome high-end performance that differentiates it from similar low-powered strings. Ultimately, the string’s feel results in a highly predictable option that further aids control.
Tradeoffs
Although Solinco Hyper-G’s low-powered performance is well suited for intermediate to advanced players, many will find it swings the pendulum too far in this department. Furthermore, it doesn’t offer a high level of comfort, so players with arm issues should keep that in mind.
Ratings
Gauge & Color Variations
- 16
- 16L
- 17
- 18
Alternatives for Control
Although Solinco Hyper-G is a terrific option for control, several others rival its performance. Here are a few of my favorites.
- Babolat RPM Hurricane
- Babolat RPM Blast
- Luxilon ALU Power
- Luxilon Big Banger Original
- Solinco Confidential
- Tecnifibre Ice Code
- Tecnifibre Red Code
- Volkl Cyclone
- Volkl V-Torque
- Yonex Poly Tour Spin
If you’ve struggled with arm injuries and you’re looking for a string that delivers control, you’ll likely want to steer clear of polyesters or, at a minimum, string it as a hybrid in the crosses with a more comfortable main.
Another option is a control-oriented multifilament like Wilson NXT Control, which provides considerably more comfort and added control.
Power
Unfortunately, we don’t all have the strength to accelerate our racquets aggressively and turn up the heat whenever we’d like, but that’s one area where our equipment can help close the gap.
Whether you’re looking to improve the pace of your groundstrokes, serve bigger, or add a little pop to a more flexible, control-oriented racquet, the right power-oriented strings can make all the difference.
With that goal in mind, one string that’s a cut above the rest is Tecnifibre X-One Biphase, a high-powered, technically advanced string packed with the elasticity and resistance to help you turn up the heat.
Tecnifibre X-One Biphase
As a multifilament tennis string, Tecnifibre X-One Biphase is a technological powerhouse with features like PU 400 and Elastyl that help to deliver more power with less effort.
It’s also an incredibly comfortable string to play with, making it an excellent choice for players with tennis elbow. Players can combine it with a more control-oriented, spin-friendly polyester in a hybrid string setup for added precision.
Why I Love It
Power
Tecnifibre X-One Biphase packs a punch and delivers power as a standout feature. From serving to volleying and hitting groundstrokes, players will find the ball aggressively rebounds from their strings.
Some players may even need to raise the tension a few points to find the balance between power and control.
Comfort
Generally, multifilaments and the thousands of fibers that make up this family of strings provide a plush, arm-friendly hitting experience.
However, in some cases, that can come at the cost of performance. In the case of X-One Biphase, the string does a fantastic job maintaining excellent playability and liveliness that make it a crowd favorite.
Feel
While powerful, Tecnifibre gets the ingredients right with a string that combines that attribute with excellent feel and touch. This characteristic stands out from all areas of the court, but I found it particularly noticeable and helpful up at the net.
Tradeoffs
The main tradeoff you’ll make with Tecnifibre X-One Biphase is with spin. Like nearly all multifilaments, it’s not slick and doesn’t snap back into place, an attribute that enhances topspin production.
Some players may consider X-One Biphase overpowering compared to a polyester tennis string, leading to reduced control. Using it in a hybrid setup can be effective if this is a concern.
Lastly, while the playability duration or lifespan of the strings’ performance is impressive, their durability may be an issue for chronic string breakers. To combat this issue, players should consider a lower gauge to improve their durability.
Ratings
Variations
- 16: natural, red
- 17: natural, red
- 18: natural, red
Alternatives for Power
Players looking for strings similar to X-One Biphase should check out Tecnifibre’s NRG2 and Babolat’s Origin. Both are multifilament strings with similar overall performance characteristics, delivering plenty of power with the added benefit of more control.
Wilson NXT is another high-quality multifilament and my pick for the best in that category. Unfortunately, it doesn’t pack much power, but it’s a worthy alternative that likely won’t disappoint.
If price is less of a concern, natural gut like Babolat’s Touch VS is one of the highest-powered on the market. However, it’s typically cost-prohibitive for most players, so it’s not usually my first recommendation as an alternative.
Durability
If you’re a big hitter who frequently breaks strings or wants to extend each string job’s life, you’ll need a durable, impact-resistant option that resists notching. After all, restringing is an expensive habit.
Once again, polyester strings are a leader in this category due to their stiff monofilament construction and slick surface, which slows down the inevitability of notching to prevent broken strings.
While you’ll find most polys are considerably more durable than natural gut, multifilament, or synthetic gut, my selection of the most durable string is Solinco Confidential.
Solinco Confidential
Released in 2020, Solinco Confidential is a relative newcomer and quickly gained popularity as a strong contender for one of the best polys, right up there with Babolat RPM Blast and Luxilon ALU Power.
Although durability is one of its defining features, it scores well with other desirable characteristics, including spin, control, and the duration in which the string holds its performance.
Like some other polys from Solinco, Confidential is a four-sided string. This feature offers a bit of extra bite while delivering exceptional overall performance, making it well worth checking out.
Why I Love It
Durability
If you’re a heavy hitter or chronic string breaker that requires extra durability to prolong the life of your strings, look no further than Solinco Confidential. It’s one of the most durable strings out there.
Spin
With its polyester makeup and 4-sided construction, Solinco Confidential delivers terrific access to spin. Its low power allows you to swing aggressively to generate the racquet head speed necessary for topspin. Ultimately, this action translates to heavy groundstrokes and excellent kick serves, keeping your opponent on their toes.
Control
When a string provides an outstanding balance between spin and feel in a low-powered package, it translates to excellent control. Solinco Confidential delivers on this front, which helps players more confidently hit their spots and dictate play.
Tradeoffs
To enjoy Solinco Confidential’s added durability, you’ll need to make some concessions – notably, lower power and less comfort.
However, if a low-powered string appeals to you and your arm has not experienced any issues with polys, it will likely be a good fit.
Ratings
Variations
- 16
- 16L
- 17
- 18
Alternatives for Durability
There is a wide range of fantastic polyester strings, but they don’t all deliver durability on par with Solinco Confidential. With that in mind, here are a few strong alternatives to explore.
- Babolat RPM Blast
- Babolat RPM Hurricane
- Luxilon ALU Power
- Luxilon Big Banger Original
- Tecnifibre Ice Code
- Tecnifibre Red Code
- Head Lynx Tour
- Head Hawk
- Yonex Poly Tour Strike
- Volkl V-Square
- Volkl Cyclone
Another dependable option if you’re looking for a thinner-gauge poly that doesn’t break easily is Luxilon Big Banger Ace. Although it only comes in 18 gauge, it’s a fantastic, ultra-durable option.
Beyond polyester, you might consider Ashaway’s Crossfire Kevlar strings. They’re super durable but extremely low on comfort, feel, and spin, so I’m more inclined to recommend polyester, which delivers stronger overall performance and durability.
Finally, if you want to enhance any strings’ durability, try string savers. You install these small plastic devices between the cross sections of your strings to prevent wear and tear that leads to breakage.
Comfort
One of the most common injuries in our sport is tennis elbow. If you’ve ever experienced it yourself, you’ll know how painful it can be and how it can prevent a player from enjoying the game they love.
Thankfully, string manufacturers have continued developing products to help reduce and ward off the harsh vibrations that, through repetition, can wreak havoc on a player’s arm.
This year, I’ve selected the multifilament Prince Premier Touch as the most comfortable tennis string in this category.
Prince Premier Touch
As a multifilament, Prince Premier Touch combines thousands of individual fibers to construct a unique string resembling natural gut.
However, Prince goes beyond typical multifilaments by employing a spiraled ribbon design that closely resembles the serosa fibers found in genuine natural gut.
The result is the softest multifilament I’ve ever tested, which roughly matches the comfort of the best natural gut on the market and is the perfect option for players where comfort is a top priority.
Why I Love It
Comfort
I can’t speak highly enough of this string’s comfort, so it’s a no-brainer for players who require strength in this attribute and are willing to sacrifice in some other areas.
However, players who want to strike more balance should consider Prince Premier Touch as part of a hybrid string setup.
Power
Prince Premier Touch also packs a highly respectable power. Even at a higher tension, the ball quickly rebounds from the strings. As a result, players who are used to hitting with a stiffer, control-oriented option will likely find this string overpowering.
Tradeoffs
As with all tennis strings, there’s always a tradeoff, and Prince Premier Touch is no exception. The areas where it gives up the most are the spin, control, and feel departments.
Compared to other tennis strings, I had to work significantly harder to generate topspin, and even my best efforts left me wanting more. Furthermore, the ultra-soft stringbed, which lacked feel, kept me on my toes because its response wasn’t as predictable, making it difficult to find control and precision.
Ratings
Variations
- 17
- 16
- 15L
Alternatives for Comfort
If you’re looking for an arm-friendly tennis string with excellent comfort and can afford the higher price tag, I recommend you check out a natural gut like Babolat VS Touch or Wilson’s Natural Gut.
Although the price is higher, many players struggling with pain are willing to spend the money because they get above-average performance and exceptional comfort.
If you want to keep your costs low, the following high-quality multifilaments are worth exploring.
- Babolat Origin
- Gamma TNT2 Touch
- Head Reflex MLT
- Tecnifibre X-One Biphase
- Tecnifibre NRG2
- Wilson NXT
Ultimately, I encourage you to explore alternatives that provide plenty of comfort without sacrificing too much in other areas that’ll limit their performance and your enjoyment on the court.
My Favorite Strings Compared
Throughout this guide, I showcased my picks for the best tennis strings in 2025, each of which I’ve rated across eight performance characteristics.
This table summarizes the 11 strings I discussed, including their scores for comparison. Scroll left to right to view all of the ratings.
| String Selected | Best of Category | Power | Spin | Control | Touch | Comfort | Durability | Playability | Movement | Overall |
| Babolat VS Touch | Natural Gut | 9.9 | 7.8 | 7.5 | 9.5 | 10.0 | 7.0 | 9.2 | 7.2 | 8.5 |
| Wilson NXT | Multifilament | 8.8 | 7.5 | 7.7 | 8.2 | 9.0 | 6.3 | 6.9 | 7.4 | 7.7 |
| Luxilon ALU Power | Polyester (poly) | 6.2 | 8.9 | 9.1 | 9.5 | 7.5 | 9.6 | 8.4 | 9.5 | 8.6 |
| Solinco Hyper-G Soft | Soft Polyester (poly) | 6.0 | 8.9 | 9.3 | 8.6 | 8.0 | 8.7 | 6.8 | 9.4 | 8.2 |
| Prince Synthetic Gut | Synthetic Gut | 7.7 | 7.3 | 7.2 | 7.0 | 8.3 | 5.8 | 7.6 | 6.0 | 7.1 |
| Wilson Champions Choice Duo | Hybrid | 8.7 | 8.5 | 9.3 | 9.3 | 8.7 | 8.0 | 8.4 | 8.2 | 8.6 |
| Babolat RPM Blast | Topspin | 4.5 | 9.9 | 9.2 | 8.4 | 6.4 | 9.2 | 7.8 | 9.4 | 8.1 |
| Solinco Hyper-G | Control | 4.7 | 9.3 | 9.8 | 8.9 | 6.8 | 8.6 | 7.5 | 9.2 | 8.1 |
| Tecnifibre X-One Biphase | Power | 9.2 | 6.8 | 7.5 | 8.6 | 8.7 | 7.5 | 8.8 | 8.7 | 8.2 |
| Solinco Confidential | Durability | 4.5 | 9.1 | 9.4 | 8.5 | 6.1 | 9.3 | 8.9 | 9.2 | 8.1 |
| Prince Premier Touch | Comfort | 8.9 | 5 | 6.8 | 7.1 | 9.5 | 6.8 | 7.6 | 6.2 | 7.2 |
My Selection Process
To select my string picks in each category for 2025, I evaluated each set across eight attributes to help you clearly understand where the string will excel and the performance tradeoffs you should expect.
Furthermore, I playtested each string using the same racquet, rated every attribute on a scale of 1 to 10, and calculated the average score to arrive at the final or total rating.
Here are the criteria I used in my selection process.
Power
Some tennis strings return significantly more energy when striking a ball, making it easier to generate pace and enhance a player’s depth of shot.
Higher-power strings will require less effort to increase the ball’s speed, while low-powered strings demand more from the player. As a result, many players find powerful strings lacking control and vice versa.
Spin
The number one factor influencing spin is racquet head speed, or how fast a player swings their racquet. However, a player’s racquet and strings also have an impact, with some strings providing players with more potential for generating topspin than others.
Strings with high spin ratings enable players to create more topspin by quickly snapping back into place and generating extra rotation, while strings with low spin ratings will have less spin potential.
It’s worth noting that players can generate topspin with any string regardless of a string’s rating; it’s just that some are better at enhancing it.
Control
A player’s ability to direct and place the ball accurately and confidently is generally perceived as control. As players improve, they tend to look for strings with more control as their technique allows them to generate power when necessary.
Power and control are inversely related: a lower-power string increases control, while a high-powered string decreases it.
Touch/Feel
Most players associate touch and feel, or their ability to delicately and accurately place the ball, with finesse. Therefore, a higher touch rating helps a player execute with greater precision and control over the ball.
Conversely, a lower score for this attribute will make hitting finesse shots more challenging, requiring additional focus, attention, and innate feel.
Comfort
The amount of shock and vibration a player feels when hitting with different strings informs comfort, which is is essential for those with arm discomfort or injuries like tennis elbow to consider.
Some tennis strings absorb and reduce shock and vibration better, resulting in more comfort, while others feel harsh. A player’s racquet and technique also influence comfort.
Durability
The capacity for a set of strings to limit wear and tear from hitting, moisture, debris, and temperature changes, which can lead to breakage or reduce the lifespan of a string, represents durability.
Players who frequently break strings, an expensive habit, often look for added durability to reduce stringing costs.
Playability Duration
The length of time a set of strings can maintain tension and quality play or performance is its playability duration.
This attribute is helpful because some strings are highly durable and resist breakage, but they still require frequent replacement to preserve their performance qualities.
Movement
Strings that snap back into place after hitting and don’t move much or require constant straightening will have higher movement ratings.
Strings with low scores will move considerably and require players to straighten them continually. Although there is little evidence that string alignment impacts performance, in my experience, it’s a factor. Plus, it often becomes a nuisance for players trying to keep them straight.
Wrapping Up
While I hope you’ve found my recommendations and alternatives helpful, remember that the best strings align with your needs and deliver the performance-enhancing characteristics you desire.
With that in mind, I encourage you to be patient. It usually takes players a few tries to find a string they love. As you experiment, you’ll develop a feel and preference for what’s ideal for your game, which will undoubtedly evolve as your skills improve and your game develops.
Have questions or want to share your thoughts on any strings you’ve tried? Feel free to post a comment below; I’d love to hear from you.
5-Point Friday
A brief recap of the five most interesting things I’m enjoying or thinking about in tennis.
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Want to join the discussion?Feel free to contribute!
No Gamma Gut? Boooo
Hi Bud,
Haha, no hate for Gamma Gut here! It’s another solid alternative to those I listed. Thanks for chiming in.
All the best,
Jon
Hey there!
Nice post, I really enjoyed reading it and agree with most of what you said, Even though, I’m curious to know about why there are no YTEX strings featured? for spin potential, their Ytex Quadro Twist is one of the best strings I’ve used so far, and as for the rest of polys and co-polys, there are many other great strings. You should check them out.
Best,
Pablo A.
Hi Pablo,
Thank you for sharing your experience with YTEX strings. I’ve played with a few of their strings and they offer some excellent soft polys at a reasonable price. However, from my experience, none of them outclass the strings I’ve recommended.
Of course, that’s the beauty of testing strings. Everyone’s experience is going to be different, so you really do have to try a handful to narrow down the best for you.
All the best,
Jon
wow a very good review.
thanks
Thank you!
Have you tried Mantis Comfort Synthetic or Gosen Tour 3? Because I want to know if is worth using them. Thanks
Hi Tony,
Thanks for dropping by. I’ve played with Mantis Comfort Synthetic, but haven’t experienced Gosen Tour 3.
It was several years ago, but from what I recall, I enjoyed my hit with Mantis. It was a soft multifilament with moderate power and good all-around performance.
I haven’t heard Mantis mentioned in quite a while. Out of curiosity, what turned you on to those strings?
I hope that helps!
All the best,
Jon
Hi, thanks for the reviews.
It would be great if you could publish a table of all the strings you tested and the scores you gave them to help us find the string with the right balance for our needs
Hi Phil,
Thanks so much for the suggestion. I’ll see what I can do to pull that together.
All the best,
Jon
Hi Looking for a hybird set-up – using rpm or Lux ALU, but cant seem to find the Wilson Gut or VS touch in reels – Is this a thing?
Hi Steve,
Great question! Natural gut isn’t sold in reels because manufacturers want the string to be sealed from moisture up until the time it’s used. Providing these strings in a reel wouldn’t allow them to control that variable, which is why they don’t offer it.
All the best,
Jon
Thanks for this informative article. I currently use solinco diamond rough cut. I love the spin potential but as I age I would like to add some power and comfort. Any suggestions on what I could mix it with? Thanks
Hi Ryan,
Solinco Tour Bite Diamond is a solid poly. I’d encourage you to check out my post on multifilaments for some great options. If you read through that guide and still want some feedback, let me know. I’d be happy to help.
All the best,
Jon
Hi, i am going to buy my first tennis racket, is head speed mp 2022 a good choice?
What is your suggestion about the string for this racket? Head lynx tour is good?
Hi there,
Thanks for your question. The Head Speed MP is an excellent frame, I hope you enjoy it. As a beginner, Head Lynx Tour wouldn’t be my first pick. It’s a stiffer low-powered poly that’s extra durable, but I think you’d do better with something like Head Velocity MLT, which is less expensive and a solid all-around string that will be more forgiving.
All the best,
Jon
I notice Head poly doesn’t make the cut. Has that changed at all since you published this post? I’m specifically wondering how Hawk Power and Lynx Tour might rank on your lists, for example, compared to ALU Power and Hyper-G, respectively, for a less expensive all-around poly and shaped control/spin string? I’d like to try these in a hybrid with a more comfortable, touch oriented multi like Velocity.
Hi Alex,
I have Head Hawk Power and Lynx Tour listed as excellent alternatives to Solinco Confidential for durability, but they also deliver fantastic control. Of the two, I prefer Head Lynx Tour, which I find has better feel and spin as it’s a shaped poly. Plus, it’s less expensive.
Ultimately, my goal with this list is to provide the cream of the crop for each category independent of price, and there’s a lot of competition out there, so in some cases it does come down to splitting hairs. I certainly wouldn’t shy away from Head’s polys, but in my experience they don’t perform as strong as those I recommend.
All the best,
Jon