France, May 29 -- France's top player Arthur Fils reached the third round at the French Open for the first time on Thursday following a five-set thriller with the Spaniard Jaume Munar.

Fils won 7-6, 7-6, 2-6, 0-6, 6-4 after four hours and 25 minutes on Court Suzanne Lenglen.

"I knew that I was going to fight until the end," said Fils. "Maybe sometimes I'm going to lose and sometimes I'm going to but at least I'm fighting and then we see."

Fils, seeded 14th, started to struggle with his movement due to a back injury and cramps after moving into a two set lead.

Munar, playing at the French Open for the eighth time, seized his chance to recover.

The 28-year-old took the third and fourth sets as Fils faltered and went a break up early in...