Second-seeded Lucas Pouille of France continued his hold over Richard Gasquet, beating him 7-6 (2), 6-4 to win the Open Sud de France for his fifth career ATP title
In the semifinals Tsonga outlasted Australian Nick Kyrgios in three sets while Pouille beat his countryman Richard Gasquet in straight sets.
Zverev beat two-time defending champion 7-6 (4), 6-3 to clinch his second career title.
Richard Gasquet has overcome a second-set meltdown to beat top-seeded David Goffin 6-4, 0-6, 6-3 and set up an all-French tennis final against Lucas Pouille at the Open Sud de France in Montpellier
Teenage Alexander Zverev beat two-time defending champion Richard Gasquet 7-6 (4), 6-3 to win the Open Sud de France on Sunday and clinch his second career title