Roddick, Kuznetsova Advance at U.S. Open

NEW YORK - Andy Roddick reached the U.S. Open quarterfinals thanks to another abbreviated work day. Roddick, the 2003 champion and 2006 runner-up, advanced Monday when his fourth-round opponent, No. 9-seeded Tomas Berdych, stopped playing in the second set because of what appeared to be a breathing problem.

"I'll probably head out to the practice courts right now," said the fifth-seeded Roddick, who could face No. 1 Roger Federer next.

Roddick was leading 7-6 (6), 2-0 when Berdych quit, making him 0-9 against top-10 opponents at Grand Slam tournaments. Roddick's second-round opponent, Jose Acasuso, stopped because of a bad knee while trailing two sets to one.

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