In pics: highlights of U.S. Open Women's Singles first round

Zhang Shuai (R) of China shakes hands with Garbine Muguruza of Spain after their women's singles first round match at the 2018 US Open tennis tournament in New York, the United States, Aug. 27, 2018. Garbine Muguruza won 2-0. (Xinhua/Wang Ying)