Nick Kyrgios of Australia hits the ball during the men's singles first-round match against Gastao Elias of Portugal at the Australian Open Tennis Championships in Melbourne, Australia, Jan. 16, 2017. Kyrgios won 3-0. (Xinhua/Bai Xue)
Nick Kyrgios of Australia hits the ball during the men's singles first-round match against Gastao Elias of Portugal at the Australian Open Tennis Championships in Melbourne, Australia, Jan. 16, 2017. Kyrgios won 3-0. (Xinhua/Bai Xue)