The Chilean started the leg having a lead of more than 19 minutes after his rivals hit trouble on Saturday. That benefit proved beneficial for the Ford Fiesta R5 driver since heavy rain turned s initial two stages into a sand bath.
Gianluca Linari finished next, the Subaru Impreza driver focused on a run through the stages to enroll a career best result in WRC 2.
Armin Kremer failed to finish for the next day in a row. Later retiring his Skoda Fabia with a busted on Saturday afternoon, the German declared, but mechanical issues led to him retiring at support.