Novak Djokovic of Serbia returns the ball during the men's singles quarterfinals match against Kei Nishikori of Japan at 2019 Australian Open in Melbourne, Australia, Jan. 23, 2019. (Xinhua/Bai Xue)
Australian Open men's singles quarterfinals match: Novak Djokovic vs. Kei Nishikori
Source: Xinhua| 2019-01-23 20:49:31|Editor: mmm