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

| Outcome | Date_ | Tournament | Surface | Partnering | Opponent_in_the_final | Score |
|---|---|---|---|---|---|---|
| Winner | November 9, 1998 | Santiago , Chile | Clay | Mariano Hood | Massimo Bertolini Devin Bowen | 7–6, 6–7, 7–6 |
| Winner | October 4, 1999 | Palermo , Italy | Clay | Mariano Hood | Lan Bale Alberto Martín | 6–3, 6–1 |
| Winner | January 28, 2001 | Bogotá , Colombia | Clay | Mariano Hood | Martín Rodríguez André Sá | 6–2, 6–4 |
| Winner | February 17, 2003 | Buenos Aires , Argentina | Clay | Mariano Hood | Lucas Arnold Ker David Nalbandian | 6–2, 6–2 |
| Winner | July 18, 2005 | Stuttgart , Germany | Clay | José Acasuso | Mariano Hood Tommy Robredo | 7–6(4), 6–3 |
| Winner | September 12, 2005 | Bucharest , Romania | Clay | José Acasuso | Victor Hănescu Andrei Pavel | 6–3, 4–6, 6–3 |