(CNN) -- Defending women's champion Svetlana Kuznetsova survived four match points before scraping into the third round of the French Open on a rain-interrupted fourth day at Roland Garros.
The sixth seeded Russian was on the brink of losing to 41st-ranked German Andrea Petkovic but rallied to prevail 4-6 7-5 6-4.
Petkovic served for the match at 5-4 in the second set but produced unforced errors on all four of her match points.
Kuznetsova raced into a 5-2 lead in the decider and eventually clinched her fourth match point to prevail.
