Sloane Stephens beats Zheng Saisai 2-0 at China Open

(181002) -- BEIJING , Oct. 2, 2018 (Xinhua) -- Angelique Kerber of Germany hits a return during the women's singles second round match against Carla Suarez Navarro of Spain at China Open tennis tournament in Beijing, China, Oct. 2, 2018. Angelique Kerber won 2-0. (Xinhua/Fei Maohua)