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Dominic Thiem of Austria celebrates during the men's singles second round match against Denis Kudla of the U.S. at Australian Open 2018 in Melbourne, Australia, Jan. 18, 2018. Dominic Thiem won 3-2. (Xinhua/Zhu Hongye)
Dominic Thiem of Austria celebrates during the men's singles second round match against Denis Kudla of the U.S. at Australian Open 2018 in Melbourne, Australia, Jan. 18, 2018. Dominic Thiem won 3-2. (Xinhua/Zhu Hongye)