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Dominic Thiem of Austria returns the ball during the men's singles quarterfinal match between Daniil Medvedev of Russia and Dominic Thiem of Austria at the 2019 Rogers Cup in Montreal, Canada, Aug. 9, 2019. (Xinhua/Andrew Soong)
Dominic Thiem of Austria returns the ball during the men's singles quarterfinal match between Daniil Medvedev of Russia and Dominic Thiem of Austria at the 2019 Rogers Cup in Montreal, Canada, Aug. 9, 2019. (Xinhua/Andrew Soong)