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Japan's Naomi Osaka warms up prior to her third round match of the French Open tennis tournament against Madison Keys of the U.S. at the Roland Garros stadium in Paris, France, Friday,
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Paris, France. 28th May, 2018. Alexander Zverev of Germany during his second singles match at Day 4 at the 2018 French Open at Roland Garros. Credit: Frank Molter/Alamy Live News Stock Photo - Alamy
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