Gabriela Dabrowski (R) of Canada and Xu Yifan of China compete during the women's doubles semifinal against Lucie Hradecka of the Czech Republic and Ekaterina Makarova of Russia at China Open tennis tournament in Beijing, capital of China, Oct. 6, 2018. Gabriela Dabrowski/Xu Yifan won 2-0. (Xinhua/Zhang Chenlin)