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Naomi Osaka of Japan returns the ball during the women's singles first round match against Magda Linette of Poland at the Australian Open in Melbourne, Australia, Jan. 15, 2018. (Xinhua/Lui Siu Wai)
Naomi Osaka of Japan returns the ball during the women's singles first round match against Magda Linette of Poland at the Australian Open in Melbourne, Australia, Jan. 15, 2018. (Xinhua/Lui Siu Wai)