ATP Dubai Duty Free Tennis Championships: men's singles second round match

Hubert Hurkacz of Poland serves during the men's singles second round match against Kei Nishikori of Japan at the ATP Dubai Duty Free Tennis Championships 2019 in Dubai, the United Arab Emirates, Feb. 27, 2019. Hubert Hurkacz won 2-1. (Xinhua/Mahmoud Khaled)