| 2015 |
Clay |
Guido Pella
m. James Mcgee
6-3 6-3 |
| 2014 |
Clay |
Paolo Lorenzi
m. Adrian Menendez Maceiras
6-1 6-3 |
| 2013 |
Clay |
Alessio Di Mauro
m. Daniel Kosakowski
4-6 6-3 6-2 |
| 2012 |
Clay |
Ruben Ramirez Hidalgo
m. Paolo Lorenzi
3-6 6-3 6-4 |
| 2009 |
Clay |
Santiago Giraldo
m. Paolo Lorenzi
6-2 6-7(3) 6-2 |
| 2008 |
Clay |
Brian Dabul
m. Mariano Puerta
W/O |
| 2007 |
Clay |
Fernando Vicente
m. Santiago Giraldo
6-3 6-3 |
| 2006 |
Clay |
Rainer Eitzinger
m. Paolo Lorenzi
6-4 6-7(5) 7-5 |
| 2005 |
Clay |
Fernando Vicente
m. Dick Norman
6-4 6-4 |
| 2004 |
Clay |
Mariano Delfino
m. Sergio Roitman
6-4 6-4 |
| 2003 |
Clay |
Dick Norman
m. Federico Browne
7-5 0-6 6-4 |
| 2002 |
Clay |
Dick Norman
m. Paul Henri Mathieu
2-6 6-2 6-4 |
| 2001 |
Clay |
Martin Rodriguez
m. Ota Fukarek
6-7(7) 7-6(2) 7-6(8) |
| 1998 |
Hard |
Geoff Grant
m. Mariano Sanchez
6-2 6-4 |
| 1997 |
Hard |
Andrei Merinov
m. Mark Knowles
6-3 7-6 |
| 1996 |
Hard |
Geoff Grant
m. Nicola Bruno
6-1 6-4 |
| 1994 |
Clay |
Nicolas Pereira
m. Luis Herrera
6-7 6-2 6-2 |
| 1993 |
Clay |
Horst Skoff
m. Luis Herrera
2-6 6-2 6-2 |
| 1992 |
Clay |
Leonardo Lavalle
m. Francisco Montana
6-0 6-7 6-4 |
| 1991 |
Clay |
Pablo Arraya
m. Jamie Morgan
6-1 5-7 6-3 |
| 1990 |
Clay |
Ricki Osterthun
m. Malivai Washington
6-4 6-4 |
| 1989 |
Clay |
Jorge Lozano
m. Peter Doohan
6-4 6-4 |
| 1988 |
Clay |
Peter Doohan
m. Agustin Moreno
6-4 6-4 |
| 1987 |
Clay |
Leonardo Lavalle
m. Jorge Lozano
6-4 3-6 6-4 |
| 1986 |
Clay |
Derrick Rostagno
m. Charles Bud Cox
6-4 6-1 |
| 1985 |
Clay |
Leonardo Lavalle
m. Andy Andrews
4-6 6-3 6-4 |
| 1984 |
Clay |
Tim Wilkison
m. Javier Contreras
6-2 6-2 |
| 1981 |
Clay |
Rick Fagel
m. Steve Meister
7-6 6-1 |
| 1980 |
Clay |
Adolfo Gonzalez
m. Guillermo Stevens
6-4 6-4 |