Wu Yibing of China hits the ball during the junior boys' singles first round match against Yuta Kikuchi of Japan at the Australian Open Tennis Championships in Melbourne, Australia, Jan. 21, 2017. Wu Yibing won 2-0. (Xinhua/Bai Xue)
Wu Yibing of China hits the ball during the junior boys' singles first round match against Yuta Kikuchi of Japan at the Australian Open Tennis Championships in Melbourne, Australia, Jan. 21, 2017. Wu Yibing won 2-0. (Xinhua/Bai Xue)