Xu Yifan/Yang Zhaoxuan (Front) of China compete during the second round of women's doubles match between Xu Yifan/Yang Zhaoxuan of China and Desirae Krawczyk (the United States)/Demi Schuurs (the Netherlands) at the 2022 National Bank Open tennis tournament in Toronto, Canada, on Aug. 11, 2022. (Photo by Zou Zheng/Xinhua)

Xu Yifan/Yang Zhaoxuan (Front) of China compete during the second round of women's doubles match between Xu Yifan/Yang Zhaoxuan of China and Desirae Krawczyk (the United States)/Demi Schuurs (the Netherlands) at the 2022 National Bank Open tennis tournament in Toronto, Canada, on Aug. 11, 2022. (Photo by Zou Zheng/Xinhua)

Desirae Krawczyk (Front) of the United States and Demi Schuurs of the Netherlands compete during the second round of women's doubles match between Xu Yifan/Yang Zhaoxuan of China and Desirae Krawczyk (the United States)/Demi Schuurs (the Netherlands) at the 2022 National Bank Open tennis tournament in Toronto, Canada, on Aug. 11, 2022. (Photo by Zou Zheng/Xinhua)

Nicole Melichar-Martinez (R)/Ellen Perez compete during the quarterfinals of women's doubles match between Zhang Shuai (China)/Storm Sanders (Australia) and Nicole Melichar-Martinez (the United States)/Ellen Perez (Australia) at the 2022 National Bank Open tennis tournament in Toronto, Canada, on Aug. 11, 2022. (Photo by Zou Zheng/Xinhua)

Zhang Shuai (Front)/Storm Sanders comepete during the quarterfinals of women's doubles match between Zhang Shuai (China)/Storm Sanders (Australia) and Nicole Melichar-Martinez (the United States)/Ellen Perez (Australia) at the 2022 National Bank Open tennis tournament in Toronto, Canada, on Aug. 11, 2022. (Photo by Zou Zheng/Xinhua)

Xu Yifan (R)/Yang Zhaoxuan of China compete during the second round of women's doubles match between Xu Yifan/Yang Zhaoxuan of China and Desirae Krawczyk (the United States)/Demi Schuurs (the Netherlands) at the 2022 National Bank Open tennis tournament in Toronto, Canada, on Aug. 11, 2022. (Photo by Zou Zheng/Xinhua)

Xu Yifan/Yang Zhaoxuan (Front) of China compete during the second round of women's doubles match between Xu Yifan/Yang Zhaoxuan of China and Desirae Krawczyk (the United States)/Demi Schuurs (the Netherlands) at the 2022 National Bank Open tennis tournament in Toronto, Canada, on Aug. 11, 2022. (Photo by Zou Zheng/Xinhua)

Zhang Shuai (Front)/Storm Sanders comepete during the quarterfinals of women's doubles match between Zhang Shuai (China)/Storm Sanders (Australia) and Nicole Melichar-Martinez (the United States)/Ellen Perez (Australia) at the 2022 National Bank Open tennis tournament in Toronto, Canada, on Aug. 11, 2022. (Photo by Zou Zheng/Xinhua)