An | Campioni | Finaliști | Scor |
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 | Nu s-a ținut |
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 | Nu s-a ținut |
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 |
1996–2000 | Buenos Aires Challenger |
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 | Iñigo 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 | Fabio Fognini Horacio Zeballos | 6–1, 6–1 |
2023 | Simone Bolelli 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) |