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History of Tennis on Twitter: "Then (2006 French Open) Now (2017 #AusOpen) And so much in between. #Federer #Nadal https://t.co/XS1xRyJFhu" / Twitter
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Roger Federer to retire: Heartbreak for tennis great in 11 Grand Slam finals - story in pictures - Sportstar
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Roger Federer of Switzerland (L) poses with Rafael Nadal of Spain before the finals of the Monte Carlo tennis open in Monaco April 23, 2006 Stock Photo - Alamy
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