How often do they change the tennis balls in a match and why do they do it? - AS USA

With the 2023 US Open nearing it's climax, we can assume thousands of balls have been used at the Flushing Meadows, but just how many are we talking about?

Which Tennis Ball is in Use? It Makes a Difference - The New York Times

How often do you change or buy new tennis balls? - Quora

Tennis Ball Size & Information Guide

How often are tennis balls replaced at Wimbledon – and what happens to the used ones? - Daily Star

The Difference When You Watch Tennis Up Close

Unorthodox Stringing: Wet Tennis Balls

Tennis Ball Dimensions & Drawings

After how many games are the balls replaced/changed in a Grand Slam Match? - Quora

What tennis pros look at when they choose a ball - Vox

How different tennis ball types change training, ATP, WTA matches - Sports Illustrated

How often are tennis balls replaced at Wimbledon – and what happens to the used ones? - Daily Star