How to Choose the Right String Tension for Your Game

It is the question we get asked across the stringing counter more than any other: "What tension should I use?" There is no single right answer, but there is a right answer for you — and it is usually easier to find than people expect.

Start with the range on your frame

Look at the inside of your racquet's throat or the frame near the head. Every manufacturer prints a recommended tension range there, usually something like 50–60 lbs. That range is not a suggestion to ignore; it is the window the frame was engineered for. Stringing far outside it can distort the hoop over time and, on some frames, void the warranty.

If you have no idea where to begin, start in the middle of that range. From there you adjust in 2 lb steps. One pound is rarely enough to feel; five pounds is usually too big a jump to learn anything from.

Lower tension vs. higher tension

The most persistent myth in stringing is that tighter strings hit harder. It is the opposite.

Lower tension gives you more power and more comfort. The string bed deflects further on contact and springs back, which adds pace for free. It is more forgiving on off-centre hits and easier on your arm. The trade-off is control: the ball sits on the strings longer and can sail on you, especially when you are swinging hard and flat.

Higher tension gives you more control and a more predictable, flatter response. If you generate your own power and find balls flying long, tightening up will rein them in. The trade-off is a stiffer, harsher feel, a smaller effective sweet spot, and more stress on the elbow and shoulder.

Put simply: if your problem is that the ball goes long, go tighter. If your problem is that you are muscling every shot to get depth, go looser.

Your string type changes the number

This is the part that trips up most players who move up from a factory-strung racquet. Tension is not comparable across string types, because the materials have wildly different stiffness.

• Polyester / co-poly (the stiff, spin-friendly strings most competitive players use) should be strung 2–4 lbs lower than you would string a softer string. A poly at 58 lbs feels dramatically firmer than a multifilament at 58 lbs.
• Synthetic gut and multifilament sit comfortably in the middle of the frame's range. This is the safe default for most club players.
• Natural gut holds tension beautifully and can be strung toward the higher end without feeling boardy.

If you are switching from synthetic gut to a poly and keep the same number, the racquet will feel dead and your arm will notice. Drop the tension.

What about spin?

Spin comes mostly from your swing path and your string's shape and slickness — not from cranking the tension up. In fact, a slightly looser poly string bed often produces more spin, because the main strings slide sideways on contact and snap back, brushing the ball as they return. If spin is your goal, the string you choose matters more than the tension you choose.

If your arm hurts, read this part twice

Tennis elbow and shoulder soreness are the most common reasons players come in for a restring, and stringing setup is one of the few variables you can change immediately. If you are dealing with arm pain: drop the tension, and move to a softer string — a quality multifilament or natural gut. A stiff polyester strung tight is the harshest combination available, and plenty of recreational players are using it because a pro does.

Gauge, briefly

Thinner strings (17 and 18 gauge) offer better feel, more bite and more spin, but they break sooner. Thicker strings (15L and 16) last longer and feel a little more muted. If you break strings every couple of weeks, go thicker. If you never break strings, go thinner and enjoy the feel.

How often to restring

The old rule of thumb still holds up: restring as many times per year as you play per week. Play three times a week, restring roughly three times a year — even if nothing has snapped.

Strings lose tension from the moment they come off the machine, and polyester loses it fastest, with a noticeable drop in the first day or two. A string bed that has gone dead does not break; it just quietly stops doing its job, and you compensate with your arm. If your racquet feels powerless and unpredictable, that is usually the answer.

Come in and we will work it out

Numbers on a page only go so far. We have been fitting and stringing racquets for players around Scottsdale and the Valley for over thirty years, and the fastest way to find your tension is to tell us what the ball is doing wrong. Bring your racquet in, tell us how you play and what is bothering you, and we will get you set up — and write it down so your next restring is consistent.

Browsing for a new frame while you are at it? Have a look at our tennis racquets.