Hewitt needs five to beat Dent, Federer rolls
NEW YORK -- Defending champion Roger Federer stuttered into the fourth round of the U.S. Open on Sunday with a 6-3, 7-6, 6-2 victory over Belgian Olivier Rochus, the 27th seed.
The top seed struggled for his rhythm but clinched victory in just under two hours to move into the Round of 16 without dropping a set.
He will now play German Nicolas Kiefer, the only man to take a set off him during his run to the Wimbledon title this year.
"We played tough matches at Cincinnati ...
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