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Petra Martic of Croatia returns a shot during the women's singles second round match against Julia Goerges of Germany at the 2020 Australian Open tennis tournament in Melbourne, Australia, Jan. 22, 2020. (Xinhua/Zhu Hongye)
Petra Martic of Croatia returns a shot during the women's singles second round match against Julia Goerges of Germany at the 2020 Australian Open tennis tournament in Melbourne, Australia, Jan. 22, 2020. (Xinhua/Zhu Hongye)