Shuko Aoyama (L) of Japan and Jennifer Brady of the United States react during the women's doubles second round match against Xu Yifan of China and Gabriela Dabrowski of Canada at the Wimbledon Championships 2018 in London, Britain, July 6, 2018. Xu Yifan and Gabriela Dabrowski won 2-1. (Xinhua/Guo Qiuda)

Xu Yifan (Front) of China and Gabriela Dabrowski of Canada celebrate victory after the women's doubles second round match against Shuko Aoyama of Japan and Jennifer Brady of the United States at the Wimbledon Championships 2018 in London, Britain, July 6, 2018. Xu Yifan and Gabriela Dabrowski won 2-1. (Xinhua/Guo Qiuda)

Xu Yifan (R) of China and Gabriela Dabrowski of Canada compete during the women's doubles second round match against Shuko Aoyama of Japan and Jennifer Brady of the United States at the Wimbledon Championships 2018 in London, Britain, July 6, 2018. Xu Yifan and Gabriela Dabrowski won 2-1. (Xinhua/Guo Qiuda)

Xu Yifan (R) of China and Gabriela Dabrowski of Canada celebrate during the women's doubles second round match against Shuko Aoyama of Japan and Jennifer Brady of the United States at the Wimbledon Championships 2018 in London, Britain, July 6, 2018. Xu Yifan and Gabriela Dabrowski won 2-1. (Xinhua/Guo Qiuda)