| Année | Vainqeur | Finaliste | Score |
| 2008 | David NALBANDIAN (ARG) | Jose ACASUSO (ARG) | 3-6 7-6(5) 6-4 |
| 2007 | Juan Monaco (ARG) | Alessio Di Mauro (ITA) | 6-2 6-2 |
| 2006 | Carlos Moya (ESP) | Filippo Volandri (ITA) | 6-4 6-1 |
| 2005 | Gaston Gaudio (ARG) | Mariano Puerta (ARG) | 6-4 6-4 |
| 2004 | Guillermo Coria (ARG) | Carlos Moya (ESP) | 6-4 6-1 |
| 2003 | Carlos Moya (ESP) | Guillermo Coria (ARG) | 6-3 4-6 6-4 |
| 2002 | Nicolas Massu (CHI) | Agustin Calleri (ARG) | 2-6 7-6 6-2 |
| 1995 | Carlos Moya (ESP) | Felix Mantilla (ESP) | 6-0 6-3 |
| 1994 | Alex Corretja (ESP) | Javier Frana (ARG) | 6-3 5-7 7-6 |
| 1993 | Carlos Costa (ESP) | Alberto Berasategui (ESP) | 3-6 6-1 6-4 |
| 1988 | Javier Sanchez (ESP) | Guillermo Perez-Roldan (ARG) | 6-2 7-6 |
| 1987 | Guillermo Perez-Roldan (ARG) | Jay Berger (USA) | 3-2 (abandon) |
| 1986 | Jay Berger (USA) | Franco Davin (ARG) | 6-3 6-3 |
| 1985 | Martin Jaite (ARG) | Diego Perez (URU) | 6-4 6-2 |
| 1982 | Guillermo Vilas (ARG) | Alejandro Ganzabal (ARG) | 6-2 6-4 |
| 1981 | Ivan Lendl (SLO) | Guillermo Vilas (ARG) | 6-1 6-2 |
| 1980 | Jose-Luis Clerc (ARG) | Rolf Gehring (RFA) | 6-7 2-6 7-5 6-0 6-3 |
| 1979 | Guillermo Vilas (ARG) | Jose-Luis Clerc (ARG) | 6-1 6-2 6-2 |
| 1978 | Jose-Luis Clerc (ARG) | Victor Pecci (PAR) | 6-4 6-4 |