In pics: singles' qualifying match during WTA Wuhan Open day 2

Christina Mchale of the United States serves during the singles' qualifying match against her compatriot Nicole Gibbs at 2017 WTA Wuhan Open in Wuhan, capital of central China's Hubei Province, on Sept. 23, 2017. Christina Mchal won 2-1. (Xinhua/Cheng Min)