From cold handshakes to accusations of cheating, some tennis rivalries have crossed the line from competitive to downright petty. These are the battles that didn’t just stay on the court—they stuck ...

A tennis star has accused Wimbledon champion Jannik Sinner of cheating following his won on Sunday. Sinner, 23, won his second Grand Slam of the year on Sunday, besting No. 2 seed Carlos Alcaraz ...

In October, Shapovalov posted on X: “Not just as a tennis player but as a fan of this sport it’s sad to see this new off court coaching rule. Tennis is special because you are out there alone.