From cold handshakes to accusations of cheating, some tennis rivalries have crossed the line from competitive to downright ...

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.