Earlier, Elena Dementieva advanced to the quarterfinals, winning five consecutive games to start the final set and beating fellow Russian Vera Zvonareva 6-4, 1-6, 6-2. For the No. 7-seeded Dementieva, it's the best showing at Roland Garros since she was runner-up to champion Anastasia Myskina in 2004. Dementieva closed out the victory by smacking a backhand winner, then celebrated with a whirling leap and a yelp.

"I do believe in myself," Dementieva said. "I think I'm not a favorite to win the whole thing, but just really enjoy what I'm doing right now."

The 11th-seeded Zvonareva committed 41 unforced errors and grew increasingly frustrated as the final set slipped away. After falling behind 0-3, she pounded the clay with her racket three times - forehand, backhand and forehand.

Dementieva and Zvonareva were among five Russians in the last 16.

Ginepri left Paris with considerable consolation: He was the last American to lose at the French Open.

Conquering an aversion to clay common among Americans, Ginepri became the first US man to reach the fourth round at Roland Garros since Andre Agassi in 2003. He hung with Gonzalez until losing serve twice in a row late in the second set.

The Chilean benefited from a wider variety of shotmaking than Ginepri, mixing drop shots and slices with a penetrating forehand, and looked more comfortable with his footwork on the dirt.

Gonzalez improved to 16-0 this year on clay, although he withdrew before the third round in Rome because of a hamstring injury.

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