Gabriela Dabrowski (R) of Canada and Xu Yifan of China compete during the women's doubles quarterfinal against Alicja Rosolska of Poland and Abigail Spears of the United States at China Open tennis tournament in Beijing, China, Oct. 4, 2018. Gabriela Dabrowski/Xu Yifan won 2-0. (Xinhua/Zhang Chenlin)