Richard Gasquet won a 13th career singles title by beating fellow Frenchman Paul-Henri Mathieu 7-5, 6-4 in the Open Sud de France final in Montpellier on Sunday.
The top seeded world number 10 appeared to be suffering from abdominal pains and went 3-0 down in the opening set before prevailing.
He wrapped up with his first match point when Mathieu sent a backhand just long.
"(Mathieu) hit the ball hard, at the begining I could not compete but then I served much better," said Gasquet, now a four times winner in Montpellier after titles in 2006, 13 and 15.
Bautista Agut wins Sofia title after beating Troicki
Spaniard Roberto Bautista Agut beat Serbian Viktor Troicki 6-3, 6-4 on Sunday to win the inaugural Sofia Open and take his fourth ATP title.
The 27-year-old top seed, who is 18th in the world, wrapped up victory in 82 minutes to see out the tournament without losing a set.
Bautista Agut, who won last month's Auckland Classic and reached the last 16 at the Australian Open, is enjoying his best start to an ATP World Tour season with a 12-2 record and two titles.
"It is special how I start the season this year. I have to be very happy with the title," he said.