10/20/2026
A lot of club players I talk to have no idea what gauge they are playing. Nobody ever explained it to them.
Gauge is the thickness of your string, and you will find it on every pack: 15, 16, 17 or 18. The catch is that the numbers run opposite to what you would expect. The higher the number, the thinner the string, so an 18 is thinner than a 16.
It reads like a tiny detail. It plays like a big one, because it changes how your whole string bed responds.
The things that help you build a game that lasts a lifetime, and the stuff nobody takes the time to explain to you about tennis, are all covered in my Ultimate Tennis Guide. If you want to improve your game today, the link is in my bio.
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