Sebastián Prieto Doubles: 10 (10-0) Doubles: 10 (10-0)

| Outcome | Date_ | Tournament | Surface | Partnering | Opponent_in_the_final | Score |
|---|---|---|---|---|---|---|
| Winner | January 30, 2006 | Viña del Mar , Chile | Clay | José Acasuso | František Čermák Leoš Friedl | 7–6(2), 6–4 |
| Winner | February 19, 2007 | Buenos Aires, Argentina | Clay | Martín García | Albert Montañés Rubén Ramírez Hidalgo | 6–4, 6–2 |
| Winner | February 2, 2008 | Viña del Mar, Chile | Clay | José Acasuso | Máximo González Juan Mónaco | 6–1, 3–0, ret. |
| Winner | February 21, 2010 | Buenos Aires, Argentina | Clay | Horacio Zeballos | Simon Greul Peter Luczak | 7–6(4), 6–3 |