The unseeded Indian beat Daniel Munoz-De La Nava of Spain 6-3 6-3 7-5 to set up second round clash with second seed Roger Federer.
Earlier, Federer enjoyed an untroubled start to his 54th consecutive Grand Slam.
The 2009 champion, who is hunting an 18th major, saw off Spanish qualifier Pablo Carreno-Busta, the world number 166, 6-2, 6-2, 6-3.
Topics mentioned in this article
Tennis
Mahesh Bhupathi
Roger Federer
David Ferrer
Rafael Nadal
Stanislas Wawrinka
Agnieszka Radwanska
Bernard Tomic
Daniel Munoz-De La Nava
Jie Zheng
Andy Murray
Novak Djokovic
Somdev Devvarman
French Open 2013
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