| Year |
Champion |
Runner-up |
Score |
| 2005 | Tomas Behrend | Adrián García | 7–6(7–3), 4–6, 6–2 |
| 2006 | Boris Pašanski | Paul Capdeville | 6–2, 7–6(11–9) |
| 2007 | Martín Vassallo Argüello | Fabio Fognini | 1–6, 7–5, 6–4 |
| 2008 | Thomaz Bellucci | Eduardo Schwank | 6–3, 3–6, 6–1 |
| 2009 | Máximo González (1) | Mariano Zabaleta | 6–4, 6–3 |
| 2010 | Cancelled due to the 2010 Chile earthquake |
| 2011 | Máximo González (2) | Éric Prodon | 7–5, 0–6, 6–2 |
| 2012 | Paul Capdeville | Antonio Veić | 6–3, 6–7(5–7), 6–3 |
| 2013 | Facundo Bagnis (1) | Thiemo de Bakker | 7–6(7–2), 7–6(7–3) |
| 2014 | Thiemo de Bakker | James Duckworth | 4–6, 7–6(12–10), 6–1 |
| 2015 | Facundo Bagnis (2) | Guilherme Clezar | 6–2, 5–7, 6–2 |
| 2016 | Facundo Bagnis (3) | Rogério Dutra Silva | 6–7(3–7), 6–4, 6–3 |
| 2017 | Rogério Dutra Silva | Nicolás Jarry | 7–5, 6–3 |
| 2018 | Marco Cecchinato | Carlos Gómez-Herrera | 1–6, 6–1, 6–1 |
| 2019 | Hugo Dellien (1) | Wu Tung-lin | 5–7, 7–6(7–1), 6–1 |
| 2020 | Cancelled due to the COVID-19 pandemic in Chile |
| 2021 (1) | Sebastián Báez (1) | Marcelo Tomás Barrios Vera | 6–3, 7–6(7–4) |
| 2021 (2) | Juan Pablo Varillas (1) | Sebastián Báez | 6–4, 7–5 |
| 2021 (3) | Sebastián Báez (2) | Felipe Meligeni Alves | 3–6, 7–6(8–6), 6–1 |
| 2022 | Hugo Dellien (2) | Alejandro Tabilo | 6–3, 4–6, 6–4 |
| 2023 | Hugo Dellien (3) | Thiago Seyboth Wild | 3–6, 6–3, 6–3 |
| 2024 | Juan Pablo Varillas (2) | Facundo Bagnis | 6–3, 6–2 |
| 2025 | Daniel Elahi Galán | Thiago Monteiro | 7–5, 6–3 |
| 2026 | Genaro Alberto Olivieri | Henrique Rocha | 6–4, 6–4 |
| Year |
Champions |
Runners-up |
Score |
| 2005 | Giovanni Lapentti
Damián Patriarca | Enzo Artoni
Ignacio González King | 6–2, 4–6, 6–4, |
| 2006 | Sergio Roitman
Máximo González (1) | Felipe Parada
Jorge Aguilar | 6–4, 6–3, |
| 2007 | Brian Dabul
Marc López | Horacio Zeballos
Pablo Cuevas | 6–2, 3–6, [10–8] |
| 2008 | Eduardo Schwank
Mariano Hood | Brian Dabul
Jean-Julien Rojer | 6–3, 6–3 |
| 2009 | Horacio Zeballos (1)
Sebastián Prieto | Flávio Saretta
Rogério Dutra da Silva | 7–6(7–2), 6–2 |
| 2010 | Cancelled due to the 2010 Chile earthquake |
| 2011 | Máximo González (2)
Horacio Zeballos (2) | Guillermo Rivera Aránguiz
Cristóbal Saavedra-Corvalán | 6–3, 6–4 |
| 2012 | Paul Capdeville
Marcel Felder | Jorge Aguilar
Daniel Garza | 6–7(3–7), 6–4, [10–7] |
| 2013 | Marcelo Demoliner
João Souza | Federico Delbonis
Diego Junqueira | 7–5, 6–1 |
| 2014 | Christian Garin
Nicolás Jarry (1) | Jorge Aguilar
Hans Podlipnik-Castillo | Walkover |
| 2015 | Andrés Molteni
Guido Pella | Andrea Collarini
Máximo González | 7–6(9–7), 3–6, [10–4] |
| 2016 | Julio Peralta
Hans Podlipnik | Facundo Bagnis
Máximo González | 7–6(7–4), 4–6, [10–5] |
| 2017 | Marcelo Tomás Barrios Vera
Nicolás Jarry (2) | Máximo González
Andrés Molteni | 6–4, 6–3 |
| 2018 | Romain Arneodo
Jonathan Eysseric | Guido Andreozzi
Guillermo Durán | 7–6(7–4), 1–6, [12–10] |
| 2019 | Franco Agamenone
Fernando Romboli | Facundo Argüello
Martín Cuevas | 7–6(7–5), 1–6, [10–6] |
| 2020 | Cancelled due to the COVID-19 pandemic in Chile |
| 2021 (1) | Luis David Martínez
Gonçalo Oliveira | Rafael Matos
Felipe Meligeni Alves | 7–5, 6–1 |
| 2021 (2) | Diego Hidalgo (1)
Nicolás Jarry (3) | Evan King
Max Schnur | 6–3, 5–7, [10–6] |
| 2021 (3) | Evan King
Max Schnur | Hans Hach Verdugo
Miguel Ángel Reyes-Varela | 3–6, 7–6(7–3), [16–14] |
| 2022 | Diego Hidalgo (2)
Cristian Rodríguez | Pedro Cachin
Facundo Mena | 6–4, 6–4 |
| 2023 | Pedro Boscardin Dias
João Lucas Reis da Silva | Diego Hidalgo
Cristian Rodríguez | 6–4, 3–6, [10–7] |
| 2024 | Fernando Romboli
Marcelo Zormann | Boris Arias
Federico Zeballos | 7–6(7–5), 6–4 |
| 2025 | Vasil Kirkov
Matías Soto | Mateus Alves
Luís Britto | 6–4, 6–3 |
| 2026 | Gianluca Cadenasso
Paulo André Saraiva dos Santos | Miguel Ángel Reyes-Varela
Federico Zeballos | 6–3, 7–5 |