Tennis - Argentina Open
Played in February on clay courts at the confusingly named Buenos AIres Lawn Tennis Club, this was orginally called the South American Open.
| YEAR | WINNER | RUNNER-UP |
| 1968 | ROY EMERSON (Aus) | R Laver (Aus) |
| 1969 | F'COIS JAUFFRET (Fra) | Z Franulovic (Yug) |
| 1970 | Z'KO FR'LOVIC (Yug) | M Orantes (Esp) |
| 1971 | Z'KO FR'LOVIC (Yug) | I Nastase (Rom) |
| 1972 | KARL MEILER (Frg) | G Vilas (Arg) |
| 1973 | GUILLERMO VILAS (Arg) | B Borg (Swe) |
| 1974 | GUILLERMO VILAS (Arg) | M Orantes (Esp) |
| 1975 | GUILLERMO VILAS (Arg) | A Panatta (Ita) |
| 1976 | GUILLERMO VILAS (Arg) | J Fillol (Chl) |
| 1977 | GUILLERMO VILAS (Arg) | W Fibak (Pol) |
| 1977* | GUILLERMO VILAS (Arg) | J Fillol (Chl) |
| 1978 | JOSE LUIS CLERC (Arg) | V Pecci (Pry) |
| 1979 | GUILLERMO VILAS (Arg) | J L Clerc (Arg) |
| 1980 | JOSE LUIS CLERC (Arg) | R Gehring (Frg) |
| 1981 | IVAN LENDL (Csr) | G Vilas (Arg) |
| 1982 | GUILLERMO VILAS (Arg) | A Ganzabal (Arg) |
| 1983 | Not held | - |
| 1984 | Not held | - |
| 1985 | MARTIN JAITE (Arg) | D Perez (Ury) |
| 1986 | JAY BERGER (Usa) | F Davin (Arg) |
| 1987 | G'ERMO P ROLDAN (Arg) | J Berger (Usa) |
| 1988 | JAVIER SANCHEZ (Esp) | G P'ez Roldan (Arg) |
| 1989 | Not held | - |
| 1990 | Not held | - |
| 1991 | Not held | - |
| 1992 | Not held | - |
| 1993 | CARLOS COSTA (Esp) | A B'sategui (Arg) |
| 1994 | ALEX CORRETJA (Esp) | J Frana (Arg) |
| 1995 | CARLOS MOYA (Esp) | F Mantilla (Esp) |
| 1996 | Not held | - |
| 1997 | Not held | - |
| 1998 | Not held | - |
| 1999 | Not held | - |
| 2000 | Not held | - |
| 2001 | G'STAVO KUERTEN (Bra) | J Acasuso (Arg) |
| 2002 | NICOLAS MASSU (Chl) | A Calleri (Arg) |
| 2003 | CARLOS MOYA (Esp) | G Coria (Arg) |
| 2004 | GUILLERMO CORIA (Arg) | C Moya (Esp) |
| 2005 | GASTON GAUDIO (Arg) | M Puerta (Arg) |
| 2006 | CARLOS MOYA (Esp) | F Volandri (Ita) |
| 2007 | JUAN MOINACO (Arg) | A di Mauro (Ita) |
| 2008 | D'VID NALBANDIAN (Arg) | J Acasuso (Arg) |
| 2009 | TOMMY ROBREDO (Esp) | J Monaco (Arg) |
| 2010 | JUAN C FERRERO (Esp) | D Ferrer (Esp) |
| 2011 | NIC'LAS ALMAGRO (Esp) | J I Chela (Arg) |
| 2012 | DAVID FERRER (Esp) | N Almagro (Esp) |
| 2013 | DAVID FERRER (Esp) | S Wawrinka (Swi) |
| 2014 | DAVID FERRER (Esp) | F Fognini (Ita) |
| 2015 | RAFAEL NADAL (Esp) | J Monaco (Arg) |
| 2016 | DOMINIC THIEM (Aut) | N Almagro (Esp) |
| 2017 | AL'X DOLGOPOLOV (Ukr) | K Nishikori (Jap) |
| 2018 | DOMINIC THIEM (Aut) | A Bedene (Slo) |
| 2019 | MARCO CEC'INATO (Ita) | D Schw'zman (Arg) |
| 2020 | CASPER RUUD (Nor) | P Sousa (Prt) |
| 2021 | DIEGO SCH'ZMAN (Arg) | F Cerundolo (Arg) |
| 2022 | CASPER RUUD (Nor) | D Schw'zman (Arg) |
* Two tournaments were staged in 1977
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