Mark J. Terrill, Associated Press
Spain's Rafael Nadal returns a shot to Colombia's Santiago Giraldo at the Pacific Life Open.

INDIAN WELLS, Calif. — Defending champion Rafael Nadal, Australian Open winner Novak Djokovic and women's top seed Ana Ivanovic all advanced to the third round of the Pacific Life Open with straight set wins Saturday.

Nadal, the No. 2 seed, beat qualifier Santiago Giraldo of Colombia, 6-3, 6-3.

The third-seeded Djokovic bested Italy's Andreas Seppi 6-3, 7-6 (3) on another day plagued by cold, gusty winds.

"You always want to pick up the best things in the match and keep the high level of performance," said Djokovic, who made his debut in the ATP Tour's top 10 after losing to Nadal in last year's Pacific Life final.

"But it was a very ugly match to watch, a lot of unforced errors," he said. "It was so windy, you couldn't get any rhythm."

On the women's side, No. 3 seed Jelena Jankovic, No. 6 Marion Bartoli and two-time event winner Lindsay Davenport joined Ivanovic in the third round. Jankovic, of Serbia, beat Ahsha Rolle 6-0, 6-2; France's Bartoli beat Elena Vesnina of Russia, 6-0, 6-4; and Davenport had taken the first set from Gisela Dulko, 6-2, when the Argentine retired due to a strained right quadriceps.

Davenport was happy to end the match because of the conditions on the court.

"I feel fine with one set," she said.

Jankovic, however, said the weather helped her.

"In the windy conditions, you have to be really focused and really try to move your feet," Jankovic said. "That's what I did today, so I'm really glad with my performance despite the conditions. I'm happy to get through."

There was one minor upset on the men's side, with Stanislas Wawrinka of Switzerland beating No. 10 seed Tomas Berdych of the Czech Republic, 2-6, 7-6 (3), 6-4.