| Year |
Champions |
Runners-up |
Score |
| 1968 |
Andrés Gimeno
Fred Stolle |
Rod Laver
Roy Emerson |
6–3, 4–6, 7–5, 6–1 |
| 1969 |
Patricio Cornejo
Jaime Fillol |
Roy Emerson
Frew McMillan |
W/O |
| 1970 |
Bob Carmichael
Ray Ruffels |
Željko Franulović
Jan Kodeš |
7–5, 6–2, 5–7, 6–7, 6–3 |
| 1971 |
Željko Franulović
Ilie Năstase |
Patricio Cornejo
Jaime Fillol |
6–4, 6–4 |
| 1972 |
Jaime Fillol (2)
Jaime Pinto-Bravo |
Barry Phillips-Moore
Iván Molina |
2–6, 7–6, 6–2 |
| 1973 |
Ricardo Cano
Guillermo Vilas |
Patricio Cornejo
Iván Molina |
7–6, 6–3 |
| 1974 |
Manuel Orantes
Guillermo Vilas (2) |
Clark Graebner
Thomaz Koch |
6–4, 6–3 |
| 1975 |
Paolo Bertolucci
Adriano Panatta |
Jürgen Fassbender
Hans-Jürgen Pohmann |
7–6, 6–7, 6–4 |
| 1976 |
Carlos Kirmayr
Tito Vázquez |
Ricardo Cano
Belus Prajoux |
6–4, 7–5 |
| 1977 |
Ion Țiriac
Guillermo Vilas (3) |
Ricardo Cano
Antonio Muñoz |
6–4, 6–0 |
| 1978 |
Chris Lewis
Van Winitsky |
José Luis Clerc
Belus Prajoux |
6–4, 3–6, 6–0 |
| 1979 |
Tomáš Šmíd
Sherwood Stewart |
Marcos Hocevar
João Soares |
6–1, 7–5 |
| 1980 |
Hans Gildemeister
Andrés Gómez |
Ángel Giménez
Jairo Velasco Sr. |
6–4, 7–5 |
| 1981 |
Marcos Hocevar
João Soares |
Álvaro Fillol
Jaime Fillol |
7–6, 6–7, 6–4 |
| 1982 |
Hans Kary
Zoltán Kuharszky |
Ángel Giménez
Manuel Orantes |
7–5, 6–2 |
| 1983–1984 |
Ikke afholdt |
| 1985 |
Martín Jaite
Christian Miniussi |
Eduardo Bengoechea
Diego Pérez |
6–4, 6–3 |
| 1986 |
Loïc Courteau
Horst Skoff |
Gustavo Luza
Gustavo Tiberti |
3–6, 6–4, 6–3 |
| 1987 |
Sergio Casal
Tomás Carbonell |
Jay Berger
Horacio De La Peña |
W/O |
| 1988 |
Carlos Costa
Javier Sánchez |
Eduardo Bengoechea
José Luis Clerc |
6–3, 3–6, 6–3 |
| 1989–1992 |
Ikke afholdt |
| 1993 |
Tomás Carbonell (2)
Carlos Costa (2) |
Sergio Casal
Emilio Sánchez |
6–4, 6–4 |
| 1994 |
Sergio Casal (2)
Emilio Sánchez |
Tomás Carbonell
Francisco Roig |
6–3, 6–2 |
| 1995 |
Vince Spadea
Christo van Rensburg |
Jiří Novák
David Rikl |
6–3, 6–3 |
| 2001 |
Lucas Arnold Ker
Tomás Carbonell (3) |
Mariano Hood
Sebastián Prieto |
5–7, 7–5, 7–6(7–5) |
| 2002 |
Gastón Etlis
Martín Rodríguez |
Simon Aspelin
Andrew Kratzmann |
3–6, 6–3, [10–4] |
| 2003 |
Mariano Hood
Sebastián Prieto |
Lucas Arnold
David Nalbandian |
6–2, 6–2 |
| 2004 |
Lucas Arnold Ker (2)
Mariano Hood (2) |
Federico Browne
Diego Veronelli |
7–5, 6–7(2–7), 6–4 |
| 2005 |
František Čermák
Leoš Friedl |
José Acasuso
Sebastián Prieto |
6–2, 7–5 |
| 2006 |
František Čermák (2)
Leoš Friedl (2) |
Vasilis Mazarakis
Boris Pašanski |
6–1, 6–2 |
| 2007 |
Sebastián Prieto (2)
Martín García |
Rubén Ramírez Hidalgo
Albert Montañés |
6–4, 6–2 |
| 2008 |
Agustín Calleri
Luis Horna |
Werner Eschauer
Peter Luczak |
6–0, 6–7(6–8), [10–2] |
| 2009 |
Marcel Granollers
Alberto Martín |
Nicolás Almagro
Santiago Ventura |
6–3, 5–7, [10–8] |
| 2010 |
Sebastián Prieto (3)
Horacio Zeballos |
Simon Greul
Peter Luczak |
7–6(7–4), 6–3 |
| 2011 |
Oliver Marach
Leonardo Mayer |
Franco Ferreiro
André Sá |
7–6(8–6), 6–3 |
| 2012 |
David Marrero
Fernando Verdasco |
Michal Mertiňák
André Sá |
6–4, 6–4 |
| 2013 |
Simone Bolelli
Fabio Fognini |
Nicholas Monroe
Simon Stadler |
6–3, 6–2 |
| 2014 |
Marcel Granollers (2)
Marc López |
Pablo Cuevas
Horacio Zeballos |
7–5, 6–4 |
| 2015 |
Jarkko Nieminen
André Sá |
Pablo Andújar
Oliver Marach |
4–6, 6–4, [10–7] |
| 2016 |
Juan Sebastián Cabal
Robert Farah |
Íñigo Cervantes
Paolo Lorenzi |
6–3, 6–0 |
| 2017 |
Juan Sebastián Cabal (2)
Robert Farah (2) |
Santiago González
David Marrero |
6–1, 6–4 |
| 2018 |
Andrés Molteni
Horacio Zeballos (2) |
Juan Sebastián Cabal
Robert Farah |
6–3, 5–7, [10–3] |
| 2019 |
Máximo González
Horacio Zeballos (3) |
Diego Schwartzman
Dominic Thiem |
6–1, 6–1 |
| 2020 |
Marcel Granollers (3)
Horacio Zeballos (4) |
Guillermo Durán
Juan Ignacio Londero |
6–4, 5–7, [18–16] |
| 2021 |
Tomislav Brkić
Nikola Ćaćić |
Ariel Behar
Gonzalo Escobar |
6–3, 7–5 |
| 2022 |
Santiago González
Andrés Molteni (2) |
Horacio Zeballos
Fabio Fognini |
6–1, 6–1 |
| 2023 |
Simone Bolelli (2)
Fabio Fognini |
Nicolás Barrientos
Ariel Behar |
6–2, 6–4 |
| 2024 |
Simone Bolelli (3)
Andrea Vavassori
|
Marcel Granollers
Horacio Zeballos
|
6–2, 7–6(8–6) |
| 2025 |
Guido Andreozzi
Theo Arribage |
Rafael Matos
Marcelo Melo |
7–5, 4–6, [10–7] |
| 2026 |
Orlando Luz
Rafael Matos
|
Andrea Collarini
Nicolás Kicker
|
7–5, 6–3 |