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Dennis Novak of Austria hits a return during the men's singles first round match against Grigor Dimitrov of Bulgaria at Australian Open 2018 in Melbourne, Australia, Jan. 15, 2018. Dimitrov won 3-0. (Xinhua/Li Peng)
Dennis Novak of Austria hits a return during the men's singles first round match against Grigor Dimitrov of Bulgaria at Australian Open 2018 in Melbourne, Australia, Jan. 15, 2018. Dimitrov won 3-0. (Xinhua/Li Peng)