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Hamburg, Germany. 15th July, 2013. German tennis player Alexander Zverev plays the ball during the first round tennis match against Bautista Agut from Spain at the ATP tournament in Hamburg, Germany, 15
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Rafael Nadal walks off the court after losing his semi final match against Daniil Medvedev on day seven of the Nitto ATP Finals at The O2 Arena, London Stock Photo - Alamy
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