Alexander Zverev will seek his first title this season against 75th-ranked Nicolas Jarry in the Geneva Open final on Saturday.
Zverev was pushed hard in a 7-5, 6-7 (6), 6-3 win over Federico Delbonis of Argentina in the last four on Friday.
Alex let a 5-1 lead slip before taking the first set. In the decider, Zverev forced a service break to lead 2-1 and clinched victory by again breaking serve.
Jarry advanced to his first career final by beating fifth-seeded Radu Albot of Moldova 6-3, 6-4.
