Roger Federer of Switzerland hits a forehand in his match against Grigor Dimitrov of Bulgaria on his way to winning his 300th Grand Slam match Friday at the Australian Open in Melbourne.
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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.
Novak Djokovic of Serbia celebrates after defeating Roger Federer in their men's singles finals tennis match at the Wimbledon Tennis Championships in London.