Paris, France (Sports Network) - Agnieszka Radwanska of Poland and former champion Li Na posted first-round victories Monday at the French Open.
The fourth-seeded Radwanska, last year's Wimbledon runner-up, cruised past Shahar Peer of Israel by a 6-1, 6-1 margin in 57 minutes on the famed red clay at Roland Garros.
Radwanska, who has won two tournaments this year, has never advanced beyond the fourth round at Roland Garros. The 24-year-old made it to only the third round last year.
Li, the 2011 French Open champion and this year's Australian Open runner-up, moved on with a 6-3, 6-4 win over Anabel Medina Garrigues of Spain.
Meanwhile, 10th-seeded former world No. 1 Caroline Wozniacki picked up her first win since early last month with a 6-3, 6-2 handling of British left- hander Laura Robson.
Fifteenth-seeded Italian Roberta Vinci routed France's Stephanie Foretz Gacon 6-3, 6-0; 20th-seeded Spaniard Carla Suarez Navarro overcame Romanian Simona Halep, 3-6, 6-2, 6-2; Slovak Zuzana Kucova took out 24th-seeded German Julia Goerges 7-6 (10-8), 6-0; American Melanie Oudin dismissed 28th-seeded Austrian Tamira Paszek 6-4, 6-3; and 29th-seeded American Varvara Lepchenko leveled Croat Mirjana Lucic-Baroni 6-1, 6-2.
Several other women reached the second round, including Americans Madison Keys, Vania King and Bethanie Mattek-Sands, Serb Bojana Jovanovski, and France's Mathilde Johansson.