In women's play, top-seeded Amelie Mauresmo overcame a slow start to beat Maria Kirilenko, 4-6, 6-4, 6-1.
American qualifier Jeff Morrison reached the third round by upsetting 10th-seeded Joachim Johansson, 7-6 (7-3), 6-4. Morrison, ranked 108th, came into the tournament 0-5 in 2005.
Roger Federer extends his hot streak to 43-1 after routing Olivier Rochus at the Nasdaq-100.
(Luis M. Alvarez -- AP)
Mark Philippoussis withdrew before his match against No. 15 Fernando Gonzalez with a torn ankle ligament, but he expects to play again in two to three weeks.
No. 4 Guillermo Coria, runner-up last year to Andy Roddick, beat Davide Sanguinetti, 6-1, 6-4, and next plays American Taylor Dent, seeded 31st.
TRACK AND FIELD: In New York, Olympic bronze medalist Deena Kastor won the U.S. women's eight-kilometer championship.
Kastor, 32, ran away from the field to cross the finish line in 25 minutes 5 seconds, just short of Lynn Jennings's American record of 25:02 set in 1991.
Jen Rhines was second in 25:54, followed by Amy Rudolph in 26:02.
Jorge Torres, in his professional road racing debut, won the men's title in 22:47. Abdi Abdirahman was runner-up in 22:56, followed by Anthony Famiglietti in 23:02.
SWIMMING: In Minneapolis, Matthew Bricker won the platform diving title to help Auburn win its third consecutive NCAA men's swimming and diving championship.
Bricker finished with 604.35 points to edge teammate Steve Segerlin (555.65). The Tigers finished with 491 points. Stanford was second (414) and Arizona third (388).
California's Duje Draganja broke the U.S. open record in the 100-yard freestyle final and also helped the Golden Bears set an American open mark in the 400 freestyle relay.
Draganja, a 2004 Olympic silver medalist in the 50-meter freestyle for Croatia, won the 100 freestyle in 41.49 seconds to break former teammate Anthony Ervin's record of 41.62. Later, Draganja swam the first leg of the 400 freestyle relay as California shattered its own record by more than a second, finishing in 2 minutes 47.70 seconds. Florida's Ryan Lochte won the 200 backstroke in a meet-record 1:38.37.
HORSE RACING: In Wellington, New Zealand, a 16-year-old apprentice jockey was dragged to his death by a runaway horse.
Sam McRae was dragged 900 yards after he fell during a race from his horse, Queen's Evidence, and his foot became trapped in a stirrup. He died of head and chest injuries.
SOCCER: Another referee is suspected of being involved in Germany's match-fixing scandal. Felix Zwayer, a witness in the case, is accused of withholding information and failing to disclose that he was sought out by a fellow referee to influence a match.
-- From News Services