Serena Williams was penalized in a match in her final defeat at the US Open by Naomi Osaka after several fights with referee Carlos Ramos.
Initially unhappy at being penalized for training from the stands, Williams was penalized for hitting his racket before Ramos took a game after calling him a "thief."
It is not the first time that Williams gets involved in a controversial moment. Here are other controversies involving the 23-time Grand Slam singles champion.
Serena Williams was penalized a game in her final US Open defeat by Naomi Osaka
2001 Indian Wells
Serena had to face her sister Venus in the final of the great WTA Tour event held near her childhood home in California. The fans were unhappy because Venus pulled out just before the game and booed Serena during the final against Kim Clijsters, who won.
Venus and Father Richard, sitting in the stands, said they suffered racial abuse. Serena did not play again in the tournament until 2015, while Venus returned in 2016.
Serena had to face her sister Venus in Indian Wells in 2001, but he retired just before and then booed Serena throughout
Venus and his father Richard, sitting in the stands, claimed that they were racially abused in the party
2004 US Open
During their quarterfinal match against Jennifer Capriati, several line calls were against Williams, including an incorrect rule by referee Mariana Alves. Williams argued with Alves, who did not officiate for the rest of the tournament.
It was the first of Williams' raids with authority on Flushing Meadows, and she admitted that her mind returned on Saturday, saying: "I think it's instantly, like, & # 39; Oh, God, I do not want to go back. until 2004 & # 39; Then it's always something & # 39;
Williams discussed with referee Mariana Alves after a series of closed line calls in her quarter-final at the 2004 US Open
2009 US Open
Having received a racket abuse warning after losing the first set of his semifinal against Clijsters, Williams was asked for a foot off in a second serve with a 5-6 and 15-30 run in the second set, which He gave his opponent a match point.
Williams reacted angrily to the line judge who had made the call, cursing and threatening to put a tennis ball in his throat. He received a point penalty and, therefore, lost the match. She was fined a record of $ 82,500 (£ 51,000) and subjected to a two-year probationary period.
Williams reacted angrily to an officer, threatening to put a tennis ball in his throat
2011 US Open
Williams reached the final at Flushing Meadows and faced the Australian Sam Stosur. Facing the breaking point, Williams shouted & # 39; Come on & # 39; after hitting with the right that Stosur tried to return. The referee Eva Asderaki ruled that it was an obstacle and gave the point to Stosur.
Williams was furious and harangued Asderaki, called the referee "an enemy" and said she was "unattractive on the inside". The American received a fine of only $ 2,000 (£ 1,250) after it was deemed that his rapture was not a major offense under the Grand Slam code of conduct.
Williams called a referee "an enemy" and said she was "unattractive on the inside" at the 2011 US Open