Also question is, are all tennis balls the same size?
According to the United States Tennis Association, the balls — manufactured by Wilson — are identical in every respect except for the yellow felt coating. “Men and women use the same ball in terms of size, pressure and design,” according to a USTA statement.
| sport | diameter (inches) | diameter (mm) |
|---|---|---|
| Lacrosse | 2.5 | 63.5 |
| Tennis | 2.575 to 2.700 | 65.41 to 68.58 |
| Pétanque | 2 3/8″ and 3 1/8″ | 70.5 to 80 |
| Cricket | 2.80 to 2.86 | 71.3 to 72.9 |
Considering this, what do numbers on tennis balls mean?
A common myth among players is that the printed numbers on the tennis balls indicate their bounciness. However, there is neither a special code nor a meaning related to these numbers. … When you say “Penn 4!” to the people playing on the next court, they will be able to return the right tennis ball that you own.
Are Wilson or Penn tennis balls better?
Ratkovich, of Penn, said Penn ATP World Tour and Pro Penn Marathon balls had a higher grade of felt and a stronger rubber core for players with more power and spin. They cost more but last longer. … Wilson’s extra-duty tennis balls, introduced in 1960, are the ball of choice for most hardcourt play.
How long do extra duty tennis balls last?
So how long do tennis balls really last? Tennis balls will go bad after about 2 weeks or 3-4 playing sessions. Unopened tennis balls are kept in a pressurized tube to help them retain bounciness and firmness, but even those will expire after two years (due to very tiny leaks).
What is the difference between regular duty and extra duty tennis balls?
Hi Margaret, the difference is extra duty is a much thicker felt and is designed for hardcourt play. Regular duty can also be played on Hardcourts but is versatile enough to be played on clay courts. Extra duty will last a tad longer than the regular balls will on a hardcourt.