Sam Groth (R) celebrates with captain Lleyton Hewitt after winning the men's doubles match between Australia's Sam Groth/John Peers and Jiri Vesely/Jan Satral of Czech Republic at Davis Cup World Group first round match at Kooyong Lawn Tennis Club in Melbourne, Australia, Feb. 4, 2017. Sam Groth and John Peers won 3-0. Australia leads by 3-0. (Xinhua/Bai Xue)
