Yonex PolyTour Pro Review

If you’ve spent any time on a tennis court over the last decade, you’ve likely seen a flash of bright yellow or sleek graphite strings in a professional’s racquet. There’s a high chance those strings were Yonex PolyTour Pro.

Despite being a veteran in the polyester market, PolyTour Pro remains one of the most popular strings on the ATP and WTA tours—used by big hitters like Ben Shelton, Casper Ruud, and Frances Tiafoe. But why do the pros (and recreational players) love it so much? Let’s dive into the specs and see why this might be the “all-around” string you’ve been looking for.

Technical Specifications

Yonex has made this string accessible for everyone by offering a wide variety of gauges. Whether you want maximum feel or maximum durability, there is a version for you:

Performance Breakdown: The “Soft” Poly

The biggest selling point of PolyTour Pro is its comfort. In the provided performance matrix, you’ll notice it sits comfortably in the “Soft” and “Ball-Pocketing” quadrant.

Typically, polyester strings are known for being stiff and “arm-killing.” Yonex solved this by pre-stretching the string during the manufacturing process under controlled temperatures. This results in a much more forgiving feel on impact.

• Power & Feel: Unlike “dead” polys that require a massive swing to get the ball deep, PolyTour Pro offers a solid amount of energy return. It provides a “plush” sensation where you feel the ball sinking into the string bed before it snaps back.
• Spin Potential: While it doesn’t have the sharp edges of the PolyTour Rev or Spin, its round shape and slick surface allow for excellent “snap-back.” You’ll get a consistent, predictable launch angle that helps you control the depth of your shots.
• Tension Maintenance: This is where PolyTour Pro truly shines as a professional-grade string. It holds its playability longer than many of its competitors, meaning it won’t feel like a “trampoline” after just two hours of heavy hitting.

Who Is This String For?

Yonex describes this as a string for “players of all swing speeds.” Because it isn’t overly stiff, it’s a fantastic “gateway” string for players transitioning from multifilament to polyester.

• The Aggressive Baseliner: If you swing big like Ben Shelton, the 1.30mm (16 gauge) in Graphite or Yellow provides the durability and control you need to keep the ball in the court.
• The Touch Player: If you rely on volleys and lobs, the 1.15mm (18 gauge) offers incredible feel and “pocketing” that helps you guide the ball with precision.
• The Hybrid Fan: PolyTour Pro is arguably the best cross-string in the business. Pair it with a natural gut or multifilament in the mains for a setup that offers the best of both worlds: power and spin.

Final Verdict

There is a reason legends like Martina Navratilova and modern stars like Naomi Osaka have trusted Yonex strings. PolyTour Pro isn’t trying to be the “spinniest” or the “stiffest”—it aims to be the most reliable. It offers a predictable, comfortable, and high-performance experience that suits almost any racquet.

Pro Tip: If you want that classic “pro” look, go with the Flash Yellow. If you prefer a more understated, modern aesthetic for your racquet, the Midnight Purple or Graphite are stunning choices.

PolyTour Pro vs. PolyTour Strike and PolyTour Air

1. PolyTour Pro vs. PolyTour Strike (The “Power” Choice)

If you find that the PolyTour Pro feels a little too “mushy” or soft when you really crack the ball, the PolyTour Strike is the logical step up.

• Feel: On the matrix, the Strike is located in the “Firm” and “Responsive” quadrant. It is significantly stiffer than the Pro. When you hit the ball, it feels crisp and immediate—there is less “dwelling” time on the strings.
• Performance: The Strike is designed for high-level attackers (like Naomi Osaka or Denis Shapovalov) who have fast swing speeds. It provides incredible precision. Because it is firmer, it won’t “launch” the ball unexpectedly, giving you the confidence to swing at 100% power.
• Durability: It is built to withstand heavy friction, making it one of the most durable options in the Yonex lineup.

2. PolyTour Pro vs. PolyTour Air (The “Comfort” Choice)

On the complete opposite end of the spectrum is PolyTour Air. If the Pro still feels a bit too harsh on your elbow or wrist, the Air is your solution.

• Feel: This is the softest string in the entire matrix, sitting deep in the “Soft” and “Ball-Pocketing” corner. It uses a specialized HR-Elastomer material to absorb shock.
• Performance: The “Air” name is literal—it feels light and effortless. It offers a very high launch angle and easy depth. However, because it is so soft, elite players with massive swings might find it lacks the “plow-through” and control of the Pro.
• Who it’s for: This is perfect for junior players moving into their first “big” racquet, or club players who want the spin of a polyester string without the typical “tennis elbow” risks.

Summary Comparison Table

Which one should you pick?

• Stick with PolyTour Pro if you want a reliable “set it and forget it” string that does everything well. It’s the safest bet for 90% of players.
• Switch to PolyTour Strike if you are a hard hitter who constantly overhits the baseline and wants a “stiffer” feel for more control.
• Switch to PolyTour Air if you are prioritizing arm health and want the most cushioned feel possible in a polyester string.