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John Millman of Australia reacts during the men's singles third round match against Roger Federer of Switzerland at the 2020 Australian Open tennis tournament in Melbourne, Australia, Jan. 24, 2020. (Xinhua/Zhu Hongye)
John Millman of Australia reacts during the men's singles third round match against Roger Federer of Switzerland at the 2020 Australian Open tennis tournament in Melbourne, Australia, Jan. 24, 2020. (Xinhua/Zhu Hongye)