Sloane Stephens beats Zheng Saisai 2-0 at China Open

Zheng Saisai of China hits a return during the women's singles second round match against Sloane Stephens of the United States at China Open tennis tournament in Beijing, China, Oct. 2, 2018. Zheng Saisai lost 0-2. (Xinhua/Fei Maohua)