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Grigor Dimitrov of Bulgaria returns the ball during the men's singles semifinal match against Rafael Nadal of Spain at the China Open tennis tournament in Beijing on Oct. 7, 2017. Grigor Dimitrov lost 1-2. (Xinhua/Ju Huanzong)
Grigor Dimitrov of Bulgaria returns the ball during the men's singles semifinal match against Rafael Nadal of Spain at the China Open tennis tournament in Beijing on Oct. 7, 2017. Grigor Dimitrov lost 1-2. (Xinhua/Ju Huanzong)