Zhang Shuai of China celebrates after winning of women's singles fourth-round match against Madison Keys of the United States at the Australian Open Tennis Championships in Melbourne, Australia, Jan. 25, 2016. (Xinhua/Bai Xue)
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Zhang Shuai of China celebrates after winning of women's singles fourth-round match against Madison Keys of the United States at the Australian Open Tennis Championships in Melbourne, Australia, Jan. 25, 2016. (Xinhua/Bai Xue)
