Albert Ramos-Vinolas and Roberto Carballes Baena will meet in an all-Spanish Ecuador Open final after three-set wins on Saturday.
Ramos-Vinolas, the second seed at the ATP 250 event in Quito, overcame Brazilian Thiago Monteiro 6-4 6-7 (4-7) 6-4 in their semi-final.
The Spaniard's victory saw him move into a sixth ATP World Tour final - his fifth on clay - as he eyes just his second title and first since 2016.
Awaiting him in the decider is Carballes Baena, who beat fellow qualifier Andrej Martin 4-6 6-3 6-2.
With his win, the world number 107 progressed to a maiden ATP final.
¡Furia española en Quito! @Robertocarba93 llega a su primera final @ATPWorldTour_ES tras vencer 4-6, 6-3 y 6-2 a @AndrejMartinSVK / First ATP career final for @Robetocarba93 who prevails 4-6, 6-3 and 6-2 over @AndrejMartinSVKpic.twitter.com/P5thHHqD9l-- #TenisLatitudCero (@EcuadorOpen250) February 10, 2018
Ramos-Vinolas and Carballes Baena have met twice on the ATP World Tour, with the former winning both previous clashes.