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Switzerland's Roger Federer celebrates his victory over USA's Pete Sampras during their Fourth Round match of the 2001 Lawn Tennis Championships at Wimbledon, London Stock Photo - Alamy
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Number One Seed Martina Hingis of Switzerland loses in straight sets... | Martina hingis, Tennis players female, Ladies tennis
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Roger Federer: Is He Greater on Wimbledon Grass Than Pete Sampras? | News, Scores, Highlights, Stats, and Rumors | Bleacher Report
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