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
Jo-Wilfried Tsonga of France returns the ball during the men's singles second round match against Novak Djokovic of Serbia at the Australian Open in Melbourne, Australia, Jan. 17, 2019. (Xinhua/Bai Xuefei)
Jo-Wilfried Tsonga of France returns the ball during the men's singles second round match against Novak Djokovic of Serbia at the Australian Open in Melbourne, Australia, Jan. 17, 2019. (Xinhua/Bai Xuefei)