Richard Gasquet battled past Marcel Granollers to progress to the second round of the Moselle Open Tuesday.
The former World no. 7 needed two hours and 35 minutes to defeat Granollers 4-6. 7-6, 6-4.
Wild card Gregoire Barrere produced the upset of the day claiming a 6-2, 6-2 victory over Hubert Hurkacz to ease into the next round.
Fellow Frenchman Jo-Wilfried Tsonga also progressed after overcoming Spaniard Pablo Andujar 3-6, 6-1, 6-2.
Tsonga set up a second round match with fellow compatriot Pierre-Hugues Herbert who defeated German Jan-Lennard Struff 7-6, 6-4.
Slovenian Aljaz Bedene secured a 6-4, 6-4 victory over wild card Rayane Roumane after one hour and 15 minutes.
Italian Lorenzo Sonego and Spaniard Pablo Carreno-Busta both enjoyed straight sets wins to book their places into the second round.