Serena Williams bade a tearful farewell to the Australian Open amid questions about whether she may have played at the tournament for the last time.
Williams gave the crowd inside the Rod Laver Arena a long wave goodbye with her hand on her heart following her 6-3 6-4 semi-final defeat by Naomi Osaka.
The gesture prompted speculation about whether the 39-year-old would ever be back competing at Melbourne Park, where she has won the title seven times.
In her post-match press conference, Williams, who had never previously lost a semi-final in Melbourne, responded: "I don't know.
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