Novak Djokovic of Serbia celebrates after winning the men's singles first round match against Fernando Verdasco of Spain at the Australian Open Tennis Championships in Melbourne, Australia, Jan. 17, 2017. Djokovic won 3-0. (Xinhua/Bai Xue)
Novak Djokovic of Serbia celebrates after winning the men's singles first round match against Fernando Verdasco of Spain at the Australian Open Tennis Championships in Melbourne, Australia, Jan. 17, 2017. Djokovic won 3-0. (Xinhua/Bai Xue)