WTA Wuhan Open women's singles 2nd round match: Wang Yafan vs. Sloane Stephens

Sloane Stephens of the United State serves during the women's singles second round match between Wang Yafan and Sloane Stephens of the United States at the 2019 WTA Wuhan Open tennis tournament in Wuhan, central China's Hubei Province, Sept. 24, 2019. (Xinhua/Xiong Qi)