Sam Groth of Australia competes in the men's singles match against Jiri Vesely of Czech Republic at Davis Cup World Group first round match at Kooyong Lawn Tennis Club in Melbourne, Australia, Feb. 5, 2017. Australia leads by 3-1. (Xinhua/Bai Xue)
Sam Groth of Australia competes in the men's singles match against Jiri Vesely of Czech Republic at Davis Cup World Group first round match at Kooyong Lawn Tennis Club in Melbourne, Australia, Feb. 5, 2017. Australia leads by 3-1. (Xinhua/Bai Xue)