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Caroline Wozniacki of Denmark celebrates during the women's singles first round match against Mihaela Buzarnescu of Romania at Australian Open 2018 in Melbourne, Australia, Jan. 15, 2018. Wozniacki won 2-0. (Xinhua/Bai Xuefei)
Caroline Wozniacki of Denmark celebrates during the women's singles first round match against Mihaela Buzarnescu of Romania at Australian Open 2018 in Melbourne, Australia, Jan. 15, 2018. Wozniacki won 2-0. (Xinhua/Bai Xuefei)