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Roger Federer of Switzerland celebrates after defeating Daniil Medvedev of Russia in their second round match of the men's singles during the Rolex Sh Stock Photo - Alamy
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Roger Federer of Switzerland wipes off sweat as he competes against Borna Coric of Croatia in their men's singles semi-final match during the Rolex Sh Stock Photo - Alamy
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World No.1 Roger Federer of Switzerland competes against Rafael Nadal of Spain during a semi-final match of the Tennis Masters Cup Shanghai 2007 in Sh Stock Photo - Alamy
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