Petra Kvitova reaches 3rd round at French Open

Wimbledon champion Petra Kvitova reached the third round of the French Open by beating Urszula Radwanska of Poland 6-1, 6-3 Thursday.

The fourth-seeded Czech won her first Grand Slam title at Wimbledon last year, and then won the WTA Championships. Although she has yet to win a title in 2012, she is seeded fourth in Paris and is expected to go deep into the tournament.

Later Thursday, defending champion Rafael Nadal was to play Denis Istomin of Uzbekistan, and second-seeded Maria Sharapova was to face Ayumi Morita.