PARIS (AP)—Melanie Oudin of the United States has beaten Sorana Cirstea of Romania 6-3, 6-0 to reach the Open GDF Suez's second round.

Oudin, a U.S. Open quarterfinalist last year, next plays Patty Schnyder of Switzerland, who beat seventh-seeded Virginie Razzano of France 6-3, 7-6 (3) at Stade Pierre de Coubertin in Paris on Tuesday.

In other matches, Anastasia Pavlyuchenkova of Russia ousted Iveta Benesova of the Czech Republic 6-1, 6-0; Andrea Petkovic of Germany defeated Katarina Srebotnik of Slovenia 7-5, 6-2; and Lucie Safarova of the Czech Republic topped Tamira Paszek of Austria 6-0, 6-3.

Top-seeded Elena Dementieva of Russia, last year's runner-up, and No. 2 Flavia Pennetta of Italy have byes into the second round. Dementieva plays Pavlyuchenkova.