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

Andrea Petkovic of Germany returns the ball during the singles' qualifying match against Gabriela Dabrowski of Canada at 2017 WTA Wuhan Open in Wuhan, capital of central China's Hubei Province, on Sept. 23, 2017.Andrea Petkovic won 2-0 . (Xinhua/Ou Dongqu)