World No. 1 Roger Federer will return to the Philippe Chatrier Court on Tuesday, holding a 6-4, 4-1 advantage over American Michael Russell.

Last year's semifinalist Ivan Ljubicic, the No. 7 seed, is in a strong position against Frenchman Arnaud Clement on Suzanne Lenglen Court. Ljubicic leads 6-1, 4-4.

Meanwhile No. 9 seed Tommy Robredo, the 2003 and 2005 quarterfinalist, was leading Argentine Sergio Roitman 6-3, 6-4, 2-1 when rain stopped play.

On women's part, former Roland Garros finalist and five times Grand Slam winner Williams, broke three times in the opening set, one more than the precocious French teenager, to take the victory.

And after that, the American was never seriously tested by the Open entrant.

"I think my serve is okay. I think sometimes I just made some errors on the ground strokes. On the surface, I can serve big, but it's definitely important, the placement and to try to set myself up for the next shot, " she said.

Williams has clay court pedigree, having captured seven Tour titles on the surface during her career, but has struggled during the European season, winning just three matches in two tournaments.

"I feel good right now. I think the most important thing is that I'm on tour, and as long as I'm on tour, I feel like really good things can happen to me."

Williams, who was upset by Czech Nicole Vaidisova in the fourth round last year, will play the winner of the match between American Ashley Harkleroad and Canadian Alexandra Wozniak.

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