| Year |
Champion |
Runner-up |
Score |
| 2011 | Rogério Dutra da Silva | Izak van der Merwe | 6–4, 6–7(7–5), 6–3 |
| 2010 | Izak van der Merwe | Ricardo Mello | 7–6(6), 6–3 |
| 2009 | Horacio Zeballos | Thiago Alves | 6–7(4), 6–4, 6–3 |
| 2008 | Brian Dabul | Izak van der Merwe | 7–5, 6–7(6), 6–3 |
| 2007 | Brian Dabul | Michael Quintero | 7–5, 7–5 |
| 2006 | Ricardo Mello | Ivo Klec | 6–3, 6–4 |
| 2005 | André Sá | Juan Martín del Potro | 6–4, 6–4 |
| 2004 | Takao Suzuki | Giovanni Lapentti | 6–4, 6–3 |
| 2003 | Giovanni Lapentti | Gouichi Motomura | 6–4, 6–0 |
| 2002 | Ricardo Mello | Maximilian Abel | 7–6(2), 6–3 |
| 2001 | Ramón Delgado | Daniel Melo | 7–6(3), 6–2 |
| Year |
Champion |
Runner-up |
Score |
| 2017(2) | Nathaly Kurata | Gabriela Cé | 7–6(9–7), 6–4 |
| 2017(1) | Gabriela Cé | Guillermina Naya | 6–4, 7–6(7–3) |
| 2016 | Daniela Seguel | Aleksandrina Naydenova | 7–5, 4–6, 7–5 |
| 2015 | Not held |
| 2014 | Gabriela Cé | Eduarda Piai | 6–3, 6–2 |
| 2013 | Paula Cristina Gonçalves | María Irigoyen | 3–6, 7–5, 6–1 |
| 2012 | María Irigoyen | Donna Vekić | 7–5, 6–0 |
| 2011 | Verónica Cepede Royg | Adriana Pérez | 7–6(7–4), 7–5 |
| 2010 | Aranza Salut | María Fernanda Álvarez Terán | 2–6, 7–5, 6–3 |
| 2009 | Not held |
| 2008 | Jorgelina Cravero | Florencia Molinero | 6–3, 6–2 |
| 2007 | Teliana Pereira | Maria Fernanda Alves | 6–4, 6–2 |
| 2006 | María José Argeri | Betina Jozami | 4–6, 6–2, 6–3 |
| 2005 | Maria Fernanda Alves | María José Argeri | 6–3, 7–5 |
| 2004 | Maria Fernanda Alves | Katalin Marosi | 7–5, 7–6(7–2) |
| 2003 | Frederica Piedade | Maria Fernanda Alves | 6–3, 2–6, 6–4 |
| 2002 | Jolanda Mens | Maria Fernanda Alves | 6–2, 4–6, 6–2 |
| Year |
Champions |
Runners-up |
Score |
| 2011 | Juan Sebastián Cabal Robert Farah | Ricardo Hocevar Júlio Silva | 6–2, 6–3 |
| 2010 | Rogério Dutra da Silva
Júlio Silva | Vítor Manzini
Pedro Zerbinni | 7–6(3), 6–2 |
| 2009 | Joshua Goodall
Samuel Groth | Rogério Dutra da Silva
Júlio Silva | 7–6(4), 6–3 |
| 2008 | Brian Dabul
Marcel Felder | Márcio Torres
Izak van der Merwe | 6–4, 7–6(9) |
| 2007 | Eduardo Schwank
Horacio Zeballos | John Paul Fruttero
Izak van der Merwe | 3–6, 6–3, 12–10 |
| 2006 | Marcelo Melo
André Sá | Jacob Adaktusson
Leonardo Mayer | 7–6(1), 7–5 |
| 2005 | Kristian Pless
Alex Vlaški | Franco Ferreiro
Marcelo Melo | 7–6(5), 6–4 |
| 2004 | Ricardo Mello
Iván Miranda | Alejandro Hernández
André Sá | 6–3, 6–4 |
| 2003 | Rik de Voest
Giovanni Lapentti | Carlos Berlocq
Miguel Gallardo Valles | 6–1, 7–5 |
| 2002 | Alejandro Hernández
Daniel Melo | Lu Yen-hsun
Danai Udomchoke | walkover |
| 2001 | Dejan Petrovic
Andy Ram | Adriano Ferreira
Daniel Melo | 6–3, 6–4 |
| Year |
Champions |
Runners-up |
Score |
| 2017(2) | Gabriela Cé Thaisa Grana Pedretti | Nathaly Kurata Eduarda Piai | 7–5, 6–4 |
| 2017(1) | Ingrid Martins Camila Giangreco Campiz | Nathaly Kurata Rebeca Pereira | 6–3, 7–6(7–1) |
| 2016 | Ingrid Martins Laura Pigossi | Maria Fernanda Alves Luisa Stefani | 6–3, 3–6, [10–8] |
| 2015 | Not held |
| 2014 | Nathaly Kurata Giovanna Tomita | Carolina Alves Ingrid Martins | 6–3, 6–2 |
| 2013 | Paula Cristina Gonçalves María Irigoyen | María Fernanda Álvarez Terán Maria Fernanda Alves | 7–5, 6–3 |
| 2012 | Monique Adamczak Maria Fernanda Alves | Paula Cristina Gonçalves Roxane Vaisemberg | 4–6, 6–3, [10–3] |
| 2011 | Fernanda Hermenegildo Teliana Pereira | Maria Fernanda Alves Roxane Vaisemberg | 3–6, 7–6(7–5), [11–9] |
| 2010 | Fernanda Faria Paula Cristina Gonçalves | Monique Albuquerque Roxane Vaisemberg | 6–3, 6–2 |
| 2009 | Not held |
| 2008 | Mailen Auroux Roxane Vaisemberg | Jorgelina Cravero María Irigoyen | 6–3, 6–4 |
| 2007 | Joana Cortez Roxane Vaisemberg | María José Argeri Letícia Sobral | 7–5, 6–0 |
| 2006 | María José Argeri Letícia Sobral | Carla Tiene Jenifer Widjaja | 6–3, 6–3 |
| 2005 | María José Argeri Letícia Sobral | Maria Fernanda Alves Frederica Piedade | 6–0, 6–2 |
| 2004 | | not played |
| 2003 | Maria Fernanda Alves Carla Tiene | Melisa Arévalo Frederica Piedade | 7–6(7–4), 6–2 |
| 2002 | Bruna Colósio Carla Tiene | Jolanda Mens Andrea van den Hurk | 6–1, 4–6, 6–4 |