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 Ţiriac 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
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 (2)
Horacio Zeballos Fabio Fognini
6–1, 6–1
2023
Simone Bolelli Fabio Fognini
Nicolás Barrientos Ariel Behar
6–2, 6–4