Serbian third seed Jelena Jankovic shook off a second-set lapse and an early break in the third to roar into the quarter-finals of the U.S. Open with a 6-4 4-6 6-1 victory over Sybille Bammer of Austria on Sunday.

A packed crowd at Louis Armstrong Stadium set the stage for a grueling four-hour slugfest between two former top-10 players Sunday afternoon. No. 15 seed David Ferrer and No. 24 seed David Nalbandian, both 25, knew each other’s game pretty well, as this third-round contest was their eighth meeting in six years..

Top seed Justine Henin of Belgium breezed past Russian Dinara Safina 6-0 6-2 on Sunday to set up a quarter-finals showdown with Serena Williams.

Venus Williams underlined her title credentials at the U.S. Open on Sunday after she reached the quarter-finals with an impressive 6-4 6-2 victory over fifth seed Ana Ivanovic.

James Blake put in another long night's work at the U.S. Open, and his play only got better as the match went on. The No. 6-seeded Blake reached the fourth round at Flushing Meadows by beating Stefan Koubek 6-4, 3-6, 7-6 (5), 6-1 in a match that began Saturday night and finished a little after 1 a.m.

Shahar Peer of Israel captured a third-set tiebreaker 7-5 to defeat 13th-seeded Nicole Vaidisova of the Czech Republic 6-4 3-6 7-6 and advance to the fourth round of the U.S. Open on Saturday.

Second seed Rafael Nadal advanced to the third round of the U.S. Open on Friday when Janko Tipsarevic of Serbia retired in the third set after receiving treatment for a rib injury. The Spaniard was leading 6-2 6-3 3-2 when Tipsarevic approached him during the changeover, shook his hand and announced he had to quit the match after one hour, 38 minutes.