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Roger Federer not surprised Stan Wawrinka has risen to the top ahead of US Open semi-final - Mirror Online
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Roger Federer and Stanislas Wawrinka from Switzerland against Thomas Johansson and Simon Aspelin from Sweden during the men's doubles final tennis match at the Olympic Green Tennis Center on Day 8 of
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Roger Federer the doubles player: Did you know he won a 'bizarre' title with Marat Safin? - Tennis365
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