Video PlayerClose

Kamil Majchrzak of Poland serves the ball during the men's singles first round match against Kei Nishikori of Japan at the Australian Open in Melbourne, Australia, Jan. 15, 2018. (Xinhua/Bai Xue)

Kamil Majchrzak of Poland serves the ball during the men's singles first round match against Kei Nishikori of Japan at the Australian Open in Melbourne, Australia, Jan. 15, 2018. (Xinhua/Bai Xue)