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Maria Sharapova of Russia serves the ball during the women's singles second round match against Rebecca Peterson of Sweden at the Australian Open in Melbourne, Australia, Jan. 16, 2019. (Xinhua/Lui Siu Wai)
Maria Sharapova of Russia serves the ball during the women's singles second round match against Rebecca Peterson of Sweden at the Australian Open in Melbourne, Australia, Jan. 16, 2019. (Xinhua/Lui Siu Wai)