You can't play tennis without tennis balls. Yet an increasingly vocal group of players says that the tennis balls used on tour are behind a major problem: They're causing injuries.

The U.S. Open is now in full swing, and nearly 100,000 new tennis balls will be used. Unfortunately, that means thousands of tennis balls will soon be useless to the tournament’s top players.

Tennis has a fuzzy yellow problem most players don't think about when they open can after can of fresh balls, or when umpires at U.S. Open matches make their frequent requests for ...

Tennis has a fuzzy yellow problem most players don't think about when they open can after can of fresh balls, or when umpires at U.S. Open matches make their frequent requests for "new balls please." ...

Around 300 million tennis balls are produced each year — and almost all of them end up in landfills, taking over 400 years to decompose. The US Open, which ended at the weekend, goes through ...

Not All Tennis Balls Are the Same. Players must adjust to the differences, and that has led to complaints about consistency. The ATP is trying to solve the problem.

Around 300 million tennis balls are produced each year — and almost all of them end up in landfills, taking over 400 years to decompose. The US Open, which ended at the weekend, goes through ...