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