Roger Federer of Switzerland celebrates after the men's singles third round match against Tomas Berdych of the Czech Republic at the Australian Open Tennis Championships in Melbourne, Australia, Jan. 20, 2017. Roger Federer won 3-0. (Xinhua/Bai Xue)
Roger Federer of Switzerland celebrates after the men's singles third round match against Tomas Berdych of the Czech Republic at the Australian Open Tennis Championships in Melbourne, Australia, Jan. 20, 2017. Roger Federer won 3-0. (Xinhua/Bai Xue)