Highlights of 2019 Wimbledon Tennis Championships day 7

(190709) -- LONDON, July 9, 2019 (Xinhua) -- Simona Halep returns the ball during the women's singles fourth round match between Cori Gauff of the United States and Simona Halep of Romania at the 2019 Wimbledon Tennis Championships in London, Britain, on July 8, 2019. (Xinhua/Han Yan)