After a fiery exchange with the umpire, she was penalised a game for "verbal abuse".

The Latvian was penalised a game for smashing his racket against the umpire's chair following a point penalty for kicking the ball.

Serena Williams was penalised a game for calling the chair umpire a thief during an extended argument as the U.S. Open women's final.

Serena Williams was penalised a game in her US Open final defeat by Naomi Osaka after a number of run-ins with umpire Carlos Ramos.