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

Sloane Stephens of the United States of America celebrates after the women's singles first round match against Evgeniya Rodina of Russia at the 2018 US Open tennis championships in New York, the United States, Aug. 27, 2018. Stephens won 2-0. (Xinhua/Liu Jie)

Sloane Stephens of the United States hits a return during the women's singles first round match against Evgeniya Rodina of Russia at the 2018 US Open tennis championships in New York, the United States, Aug. 27, 2018. Stephens won 2-0. (Xinhua/Liu Jie)