Nick Kyrgios of Australia complains to the referee during his men's singles match against Mischa Zverev of Germany at the Shanghai Masters tennis tournament on Wednesday.
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Maria Sharapova during her quarterfinal match at the Australian Open tennis tournament in January. A drug test Sharapova took during the event later came back positive for the banned substance meldonium.
Russian tennis star Maria Sharapova isn't competing at the 2016 Olympics. At a March 7 press conference in Los Angeles, she told reporters she'd tested positive for meldonium, a prescription heart drug that improves blood flow. It was banned in January by the World Anti-Doping Agency.
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Serbia's Novak Djokovic kisses the trophy after winning the final of the French Open tennis tournament against Britain's Andy Murray in four sets 3-6, 6-1, 6-2, 6-4, at the Roland Garros stadium in Paris, Sunday.
The BBC and BuzzFeed published an investigative report alleging widespread match-fixing and corruption in the sport of tennis. The report was released just before the start of the Australian Open.
Serena Williams reacts after losing a point to unseeded Italian Roberta Vinci during a semifinal match at the U.S. Open tennis tournament on Friday. Williams went on to lose the match in three sets.
Serena Williams wins the singles match against Garbine Muguruza of Spain after the women's singles final at the All England Lawn Tennis Championships in Wimbledon, London, on Saturday. Williams won 6-4, 6-4.
World No. 1 Serena Williams acknowledges the crowd after winning her match against Monica Niculescu of Romania during the BNP Paribas Open at Indian Wells Tennis Garden in Indian Wells, Calif.
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