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11:38 a.m.
Along with Novak Djokovic and Rafael Nadal, there is a third Grand Slam champion in action in the men's draw at Roland Garros on Tuesday.
Marin Cilic, who won the U.S. Open last year, is up against 80th-ranked Robin Haase on Court 2. Things are going well so far for the ninth-seeded Croat, who has converted both break points and served out the opening set 6-2.
Cilic is playing in his first major of the year after missing the Australian Open because of a shoulder injury.
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10:50 a.