Roddick's career comes to a close; Berdych tops Federer

Flushing Meadows, NY (Sports Network) - Andy Roddick announced last week he would end his tennis career at the 2012 U.S. Open, and Juan Martin del Potro sent the American packing in a fourth-round affair Wednesday at the USTA Billie Jean King National Tennis Center.

Also on Wednesday, sixth-seeded Tomas Berdych ousted top-seeded Roger Federer, 7-6 (7-1), 6-4, 3-6, 6-3 in the quarterfinals.

The seventh-seeded del Potro came from behind to beat the 20th-seeded Roddick 6-7 (1-7), 7-6 (7-4), 6-2, 6-4 at Arthur Ashe Stadium in a match that was suspended because of rain on Tuesday night.

Roddick snuck out a first-set tiebreak against del Potro, but the towering Argentine rebounded by taking a second-set tiebreak, which appeared to take a lot of energy out of the outgoing American slugger.

It was all del Potro in the third set and that momentum carried over into the fourth, as the Argentine ultimately cruised to victory at the world's largest tennis stadium.

The match was over in 3 hours, 15 minutes, as the big-serving Roddick swatted 20 aces in his final outing, but had his serve broken four times, compared to only one break by the American.

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