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Karolina Pliskova of the Czech Republic returns the ball against Bianca Andreescu of Canada during the quarterfinals of women's singles at the 2019 Rogers Cup in Toronto, Canada, Aug. 9, 2019. (Xinhua/Zou Zheng)
Karolina Pliskova of the Czech Republic returns the ball against Bianca Andreescu of Canada during the quarterfinals of women's singles at the 2019 Rogers Cup in Toronto, Canada, Aug. 9, 2019. (Xinhua/Zou Zheng)