FREE SHIPPING for orders over €100 within the EU 
FREE SHIPPING for orders over €100 within the EU
String tension is one of the most important yet misunderstood aspects of tennis equipment. It directly impacts power, control, comfort, and feel, making it a crucial factor in optimizing your game. However, many players struggle to determine the ideal tension for their racket.
In this guide, we'll break down:
✔ What string tension really does and how it influences your shots
✔ How to choose the right tension based on string type and playing style
✔ Common myths about string tension that can mislead players
✔ Practical tips for experimenting with different tensions
By the end, you’ll have the knowledge to fine-tune your setup for maximum performance.
String tension refers to how tightly the strings are pulled when installed in a racket, typically measured in pounds (lbs) or kilograms (kg).
Every racket has a recommended tension range, which manufacturers suggest for optimal performance. For example:
These ranges serve as a guideline, but players can (and should) experiment to find what works best for their game.
Many players believe that string tension directly controls power, spin, and control, but the reality is more complex. Let’s break down the key factors:
One of the biggest misconceptions in tennis is that tighter strings produce more power. In reality, lower tension creates a softer string bed that increases ball pocketing, allowing the ball to launch off the racket with more ease.
✔ Lower tension (looser strings) → More depth on shots due to a higher launch angle.
✔ Higher tension (tighter strings) → Flatter ball trajectory, reducing the risk of overhitting.
However, studies show that string tension has minimal impact on ball speed—a lower tension might give you a slight boost in power, but your swing speed is the biggest factor in how fast the ball travels.
Key takeaway: Lower tension helps generate depth more easily, while higher tension offers more precision on flat shots.
Higher tension provides a firmer, more controlled feel by reducing string movement. This is ideal for:
✔ Players who hit flatter shots and want to keep their ball flight low.
✔ Aggressive hitters who need more precision on big swings.
✔ Players who struggle with overhitting and need a more predictable response.
Lower tension, on the other hand, creates a livelier, more forgiving string bed, which can help players who:
✔ Need extra depth on their shots.
✔ Prefer a softer feel for comfort.
✔ Want more margin for error when hitting with topspin.
Key takeaway: Higher tension improves accuracy, while lower tension provides extra forgiveness.
There’s a long-standing debate about whether string tension directly increases or decreases spin. The truth is:
That said, studies have not proven a direct link between tension and spin. What matters more is:
✔ String type (polyester enhances spin more than nylon or multifilament)
✔ Your racket head speed and technique
✔ String pattern (open string patterns produce more spin than dense ones)
Key takeaway: If you want more spin, focus on technique and string choice, not just tension.
Your ideal tension depends on both your playing style and the type of string you use. Since polyester is a stiff string, it plays best at lower tensions than multifilament or natural gut.
| Playing Style | Polyester Strings | Multifilament/Nylon Strings |
|---|---|---|
| Beginner Players | 44-50 lbs (20-23 kg) | 50-55 lbs (22.5-25 kg) |
| Power Baseliners | 45-52 lbs (20.5-23.5 kg) | 52-58 lbs (23.5-26 kg) |
| Spin-Focused Players | 44-50 lbs (20-23 kg) | 50-55 lbs (22.5-25 kg) |
| Flat Hitters/Net Players | 50-55 lbs (22.5-25 kg) | 55-60 lbs (25-27 kg) |
Pro tip: If you switch from multifilament or nylon to polyester, lower your tension by at least 10% to avoid excessive stiffness.
Myth #1: Tighter strings give you more power.
✅ Reality: Looser strings generate more depth, while tighter strings provide more precision.
Myth #2: Lower tension always increases spin.
✅ Reality: Spin is more dependent on string type, swing speed, and technique than tension.
Myth #3: You must stay within the racket’s recommended range.
✅ Reality: You can string below or above the range safely in most cases—just be mindful of arm comfort.
Myth #4: Strings feel the same throughout their lifespan.
✅ Reality: All strings lose tension over time, which affects performance. Restringing regularly maintains a consistent feel.
There is no universal “best” string tension—it all depends on your playing style, racket, and personal preferences.
✔ If you need more depth and comfort, start on the lower end of the tension range.
✔ If you want more control and precision, try the higher end of the range.
✔ The best way to find your ideal setup is by testing different tensions and noting how they feel over time.
By understanding how string tension influences your game, you can make smarter adjustments and maximize your performance on the court.
→ Looking for premium tennis strings and accessories? Shop TRU PRO now for the best gear on the market!
→ Need help choosing the right strings? Check out our FREE String Selector Form for expert recommendations.
Validate your login