Andy Roddick failed to make it out of the second round at the U.S. Open as the American tennis star fell to the 44th-rank Janko Tipsarevic in four sets. At times, Roddick seemed to come undone during the raucous night match at Arthur Ashe Stadium Wednesday, pacing the baseline after being called for a third-set foot fault. "In the moment, I was just stupefied," Roddick said of the linesman's call. The moment recalled a worse meltdown when Serena Williams threatened a lineswoman at last year's U.S. Open. Thursday's matches include second-seeded Roger Federer and the 14th-seeded Maria Sharapova.
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