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FLUSHING MEADOWS, UNITED STATES: Roger Federer of Switzerland celebrates his victory over Sjeng Schalken of The Netherlands after their third round match at the US Open in Flushing Meadows, New York, 01 September 2001. Federer defeated Schalken 6-4, 7-5, 7-6. AFP PHOTO/Stan HONDA (Photo credit should read STAN HONDA/AFP via Getty Images)

FLUSHING MEADOWS, UNITED STATES:  Roger Federer of Switzerland celebrates his victory over Sjeng Schalken of The Netherlands after their third round match at the US Open in Flushing Meadows, New York, 01 September 2001. Federer defeated Schalken 6-4, 7-5, 7-6.  AFP PHOTO/Stan HONDA (Photo credit should read STAN HONDA/AFP via Getty Images)