PARIS -- Top-seeded woman Martina Hingis, who won every Grand Slam tournament except the French Open last year, defeated Karina Habsudova of Slovakia 6-3, 6-2 Friday and reach the French Open's fourth round. She finished the match with an ace.

No. 3 Jana Novotna,

Martina Hingis, who coasted in straight sets at the French Open Friday, has won 24 consecutive matches at Grand Slam events. (AP)

No. 6 Monica Seles, No. 8 Venus Williams and No. 13 Anna Kournikova all advanced with straight-sets victories. Joining them in the fourth round was unseeded Chanda Rubin, who won 6-3, 6-4 over Miho Saeki of Japan.

Defending champion Iva Majoli, the No. 10 seed from Croatia, advanced to the third round, beating Natasha Zvereva of Belarus 6-3, 6-4. Majoli, who upset Hingis to win the event last year, will face Argentine qualifier Mariana Diaz-Oliva.

MAJOLI NEEDED 67 MINUTES BEFORE knocking out Zvereva. She won 24 of 36 points on her first serve and took advantage of 36 unforced errors by Zvereva. Majoli also converted 6-of-15 break points compared to 3-of-6 for Zvereva.

Hingis needed only 55 minutes to beat Habsudova and lost her serve just once. She converted 32-of-49 points on her first serve and fired four aces. Hingis, gunning for her first French Open title, broke Habsudova four times and took advantage of 30 unforced errors.

Hingis, 17, has won 24 straight Grand Slam matches since losing to Majoli in the finals at Roland Garros. She has won 37 of her last 38 Grand Slam matches and improved to 33-4 this year.

This year Hingis has won four tournaments, including two clay-court titles, and captured her second straight Australian Open title in January.

Novotna will meet Russian prodigy and 13th seed Anna Kournikova in the fourth round. The 16-year-old Kournikova routed Asa Carlsson of Sweden, 6-0, 6-0, needing just 48 minutes to move on. Carlsson lost her serve six times and won only 34 points.

SELES DEFEATED BARBARA SCHWARTZ of Germany, 6-1, 7-5. Seles, who won this event from 1990-92, will face Rubin, who knocked out Miho Saeki of Japan, 6-3, 6-4.

Venus Williams cruised past Alexia Dechaume-Balleret of France, 6-2, 6-1. Her next opponent is Henrieta Nagyova of Slovakia, a 7-6 (7-5), 3-6, 6-1 victor over Nathalie Dechy of France.

Anna Smashnova of Israel, who rallied past German Barbara Rittner in three sets, will face Hingis in the fourth round.

Spainard Mariana Diaz-Oliva, Patty Schnyder of Switzerland and Silvia Farina of Italy all won their second-round matches, which were pushed back one day due to rain.