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Nick Kyrgios of Australia returns the ball during the men's singles semifinal match against Alexander Zverev of Germany at the China Open tennis tournament in Beijing on Oct. 7, 2017. Nick Kyrgios won 2-0. (Xinhua/He Changshan)
Nick Kyrgios of Australia returns the ball during the men's singles semifinal match against Alexander Zverev of Germany at the China Open tennis tournament in Beijing on Oct. 7, 2017. Nick Kyrgios won 2-0. (Xinhua/He Changshan)