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Osaka Naomi of Japan returns a shot during the women's singles second round match against Zheng Saisai of China at the Australian Open tennis championship in Melbourne, Australia on Jan. 22, 2020. (Xinhua/Bai Xuefei)
Osaka Naomi of Japan returns a shot during the women's singles second round match against Zheng Saisai of China at the Australian Open tennis championship in Melbourne, Australia on Jan. 22, 2020. (Xinhua/Bai Xuefei)