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Zhang Shuai of China gets medical treatment during the second round of women's singles qualifying match against Anastasia Potapova of Russia at the 2019 Rogers Cup in Toronto, Canada, Aug. 4, 2019. (Xinhua/Zou Zheng)
Zhang Shuai of China gets medical treatment during the second round of women's singles qualifying match against Anastasia Potapova of Russia at the 2019 Rogers Cup in Toronto, Canada, Aug. 4, 2019. (Xinhua/Zou Zheng)