Duan Yingying/Zheng Saisai (R) of China compete during the women's doubles third round match with Daria Kasatkina of Russia and Anett Kontaveit of Estonia at French Open tennis tournament 2019 at Roland Garros in Paris, France on June 2, 2019. Duan Yingying/Zheng Saisai won 2-1. (Xinhua/Han Yan)