Robby Ginepri wrapped up a superb day for American men at Flushing Meadows by winning only his third career five-set match 7-5 6-7 (3/7) 6-4 2-6 6-3 in a marathon three-hour 20 minute effort against Tommy Haas of Germany in the third round of the US Open.
He now meets 13th seed Richard Gasquet of France in the fourth round, who rallied past 18th seed Ivan Ljubicic of Croatia 3-6 7-6 (8/6) 6-7 (7/9) 6-3 6-2.
Earlier, fellow American James Blake produced the biggest win of his career when stunning second seed Rafael Nadal 6-4 4-6 6-3 6-1 in the third round at Arthur Ashe Stadium.
Blake, who entered as a wild card and upset Briton Greg Rusedski in the first round, overpowered French Open champion Nadal.
Fellow American Andre Agassi survived a hard-fought challenge from Czech Tomas Berdych before posting a 1-6 6-1 6-4 7-6 (7/2) victory.