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Zhu Lin of China returns the ball during the women's singles first round match against Gasparyan Margarita of Russia at the Australian Open in Melbourne, Australia, Jan. 15, 2018. (Xinhua/Hu Jingchen)

Zhu Lin of China returns the ball during the women's singles first round match against Gasparyan Margarita of Russia at the Australian Open in Melbourne, Australia, Jan. 15, 2018. (Xinhua/Hu Jingchen)