Jose Acasuso defeated home favourite Nicolas Massu to seal victory in the Movistar Open final at Vina del Mar.
Acasuso was rarely troubled by Massu
The Argentine third seed beat the fifth-seeded Chilean 6-4 6-3 to take the title.
It was Acasuso's third ATP crown in his seventh final, all of them on clay. He dropped just one set in the tournament.
On Saturday, he won the doubles title, teaming up with compatriot Sebastian Prieto to beat top seeds Frantisek Cermak and Leos Friedl.