Roland-Garros 2023: how many tennis balls are used during the tournament?

Wilson - Roland-Garros - The official site

NOVAK DJOKOVIC HAND SIGNED 2023 DATED AND MATCH USED FRENCH OPEN ROLAND GARROS TENNIS BALL. PHOTO IS OF ONE OF THE BALLS. EACH BALL IS SLIGHTLY

NOVAK DJOKOVIC Autographed and dated match used 2023 FRENCH Open tennis ball. Very Rare!!

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Crafted for Clay Wilson Sporting Goods

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Illustration of the official balls during Roland-Garros 2023, Grand Slam tennis tournament, Previews on May 24, 2023 at Roland-Garros stadium in Paris, France - Photo: Matthieu Mirville/DPPI/LiveMedia Stock Photo - Alamy

How many tennis balls are used in the US Open 2023 and why are they a problem for the planet?

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61,721 Ball Tennis French Open Stock Photos, High-Res Pictures, and Images - Getty Images

Tennis ball - Wikipedia