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1:04 p.m.
Surprisingly, two-time Wimbledon champion Petra Kvitova has been pushed into a third set on Court Philippe Chatrier.
The fourth-seeded Czech was broken to drop the second set 6-3 after taking the opener 6-4 against Marina Erakovic of New Zealand, who is ranked 80th and never has made it past the third round at any Grand Slam tournament.
They've played four times previously, with Kvitova going 4-0.
Over on Court 2, reigning U.S. Open champion Marin Cilic eased into the second round by beating Robin Haase 6-2, 6-4, 6-2.
It's Cilic's first Grand Slam match since winning his title in New York in September.