Serena Williams got a little emotional when asked about possible retirement following her 6-3, 6-4, loss against Naomi Osaka in the Australian Open semifinal, HuffPost reported . "I don't know," the 39-year-old said when reporters asked her about the mistakes she made during the match. "I'm done." Williams then exited the press conference. We're not crying, you are. 😢 @serenawilliams breaks down after her defeat. WATCH: @Channel9 STREAM: https://t.co/7uAf53PWTv #9WWOS #AusOpen #AO2021 pic.twitter.com/YvxywOeFfk — Wide World of Sports (@wwos) February 18, 2021 The rumors of retirement intensified when Williams waved to the crowd and put her hand over her heart as she exited the court after the loss. “If I ever say farewell, I wouldn’t tell anyone,” the tennis star said when asked about the gesture during the press conference.