Serena Williams holds the winner's trophy following her victory in the women's singles final in the Australian Open in Melbourne Saturday. Paul Crock/AFP/Getty Images hide caption
Australian Open
Tennis star Maria Sharapova speaks about her failed drug test at the Australian Open during a news conference in Los Angeles in March 2016. Damian Dovarganes/AP hide caption
Maria Sharapova talks to the media in Los Angeles on Monday regarding a failed drug test. Kevork Djansezian/Getty Images hide caption
Serbia's Novak Djokovic has won the Australian Open six times — in 2008, 2011, 2012, 2013 and 2015, and then on Sunday. William West/AFP/Getty Images hide caption
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. Rafiq Maqbool/AP hide caption
Stanislas Wawrinka of Switzerland kisses the Australian Open trophy during the awarding ceremony after winning the men's singles final against Spain's Rafael Nadal on Sunday in Melbourne, Australia. Xu Yanyan/Xinhua/Landov hide caption
Li Na of China celebrates after defeating Dominika Cibulkova of Slovakia during their women's singles final at the Australian Open tennis championship in Melbourne, Australia, on Saturday. Rick Rycroft/AP hide caption
Rafael Nadal of Spain celebrates after defeating Roger Federer of Switzerland during their semifinal Friday at the Australian Open tennis championship in Melbourne. Aaron Favila/AP hide caption
Justine Henin plays the last match of her professional career in the third round of the Australian Open against Svetlana Kuznetsova of Russia. Cameron Spencer/Getty Images hide caption