(190604) -- PARIS, June 4, 2019 (Xinhua) -- Duan Yingying/Zheng Saisai (R) of China compete during the women's doubles quarterfinal match with Xu Yifan of China and Gabriela Dabrowski of Canada at French Open tennis tournament 2019 at Roland Garros, in Paris, France on June 4, 2019. (Xinhua/Han Yan)