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Frances Tiafoe of U.S. reacts during the men's second round match against Kevin Anderson of South Africa at the 2019 Australian Open in Melbourne, Australia, Jan. 16, 2019. (Xinhua/Hu Jingchen)
Frances Tiafoe of U.S. reacts during the men's second round match against Kevin Anderson of South Africa at the 2019 Australian Open in Melbourne, Australia, Jan. 16, 2019. (Xinhua/Hu Jingchen)