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Naomi Osaka of Japan reacts as she plays against Donna Vekic of Croatia during their second round women's singles tennis match at the French Open tennis tournament in Paris. | Photo: AP/Thibault Camus
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Donna Vekic of Croatia returns to Naomi Osaka of Japan during their second round women's singles tennis match at the French Open tennis tournament in Paris. | Photo: AP/Thibault Camus
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Naomi Osaka of Japan returns to Donna Vekic of Croatia during their second round women's singles tennis match at the French Open tennis tournament in Paris. | Photo: AP/Thibault Camus
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A spectator covers himself from the sun during the second round women's singles tennis match between Naomi Osaka of Japan and Donna Vekic of Croatia at the French Open tennis tournament in Paris. | Photo: AP/Thibault Camus
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Donna Vekic of Croatia returns to Naomi Osaka of Japan during their second round women's singles tennis match at the French Open tennis tournament in Paris. | Photo: AP/Thibault Camus
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Donna Vekic of Croatia returns to Naomi Osaka of Japan during their second round women's singles tennis match at the French Open tennis tournament in Paris. | Photo: AP/Thibault Camus
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The dress of Japan's Naomi Osaka lies on a bench during her second round women's singles tennis match against Donna Vekic of Croatia at the French Open tennis tournament in Paris. | Photo: AP/Thibault Camus
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Naomi Osaka of Japan talks with the referee before the second round women's singles tennis match against Donna Vekic of Croatia at the French Open tennis tournament in Paris. | Photo: AP/Thibault Camus
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Naomi Osaka of Japan enters the court for the second round women's singles tennis match against Donna Vekic of Croatia at the French Open tennis tournament in Paris. | Photo: AP/Thibault Camus
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Naomi Osaka of Japan enters the court for the second round women's singles tennis match against Donna Vekic of Croatia at the French Open tennis tournament in Paris. | Photo: AP/Thibault Camus
