Video PlayerClose
Kei Nishikori of Japan reacts during the men's singles quarterfinals match against Novak Djokovic of Serbia at 2019 Australian Open in Melbourne, Australia, Jan. 23, 2019. (Xinhua/Bai Xue)
Kei Nishikori of Japan reacts during the men's singles quarterfinals match against Novak Djokovic of Serbia at 2019 Australian Open in Melbourne, Australia, Jan. 23, 2019. (Xinhua/Bai Xue)