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?

Not All Tennis Balls Are Equal - The New York Times

Tennis - Wikipedia

Can too many tennis ball changes cause injuries? Players think so. The tours are checking

How Do I Recycle Used Tennis Balls?

Can You Play Pickleball on a Tennis Court?

Like a grapefruit' - Daniil Medvedev and Carlos Alcaraz weigh in on ball- change problems at China Open - Eurosport

Tennis Ball Size & Information Guide

Can too many tennis ball changes cause injuries? Players think so. The tours are checking

Can too many tennis ball changes cause injuries? Players think so. The tours are checking

Why Do Tennis Players Check The Balls Before Serving? - My Tennis HQ

Can too many tennis ball changes cause injuries? Players think so. The tours are checking

How long do tennis balls last?

Tennis Ball Size & Information Guide

Andy Murray launches on-court rant at umpire during the Miami Open

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