In pics: 2017 WTA Wuhan Open day 4

Xu Yifan (L) of China and Gabriela Dabrowski of Canada celebrate during the doubles first round match against Wang Qiang and Wang Yafan of China at 2017 WTA Wuhan Open in Wuhan, capital of central China's Hubei Province, on Sept. 25, 2017. Wang Qiang and Wang Yafan retired in the second set due to Wang Qiang's injury.(Xinhua/Mao Siqian)