| Result | No. | Date | Tournament | Surface | Partner | Opponents | Score |
|---|
| Win | 1. | Sep 1979 | Madrid, Spain | Clay | Carlos Kirmayr | Robin Drysdale
John Feaver | 7–6, 6–4 |
| Loss | 1. | Oct 1979 | Barcelona, Spain | Clay | Carlos Kirmayr | Paolo Bertolucci
Adriano Panatta | 4–6, 3–6 |
| Loss | 2. | Jun 1981 | Brussels, Belgium | Clay | Carlos Kirmayr | Ricardo Cano
Andrés Gómez | 2–6, 2–6 |
| Loss | 3. | Jan 1982 | Guarujá, Brazil | Clay | Carlos Kirmayr | Phil Dent
Kim Warwick | 7–6, 2–6, 3–6 |
| Win | 2. | Jun 1982 | Venice, Italy | Clay | Carlos Kirmayr | José Luis Clerc
Ilie Năstase | 6–4, 6–2 |
| Loss | 4. | Oct 1982 | Barcelona, Spain | Clay | Carlos Kirmayr | Anders Järryd
Hans Simonsson | 3–6, 2–6 |
| Win | 3. | Nov 1982 | São Paulo, Brazil | Clay | Carlos Kirmayr | Peter McNamara
Ferdi Taygan | 6–3, 6–1 |
| Win | 4. | Apr 1983 | Lisbon, Portugal | Clay | Carlos Kirmayr | Pavel Složil
Ferdi Taygan | 7–5, 6–4 |
| Win | 5. | Jul 1983 | Boston, U.S. | Clay | Mark Dickson | Hans Gildemeister
Belus Prajoux | 7–5, 6–3 |
| Win | 6. | Jul 1983 | Washington, D.C. | Clay | Mark Dickson | Paul McNamee
Ferdi Taygan | 6–2, 1–6, 6–4 |
| Loss | 5. | Aug 1983 | Indianapolis, U.S. | Clay | Carlos Kirmayr | Mark Edmondson
Sherwood Stewart | 3–6, 2–6 |
| Loss | 6. | Aug 1983 | Cincinnati, U.S. | Hard | Carlos Kirmayr | Victor Amaya
Tim Gullikson | 4–6, 3–6 |
| Loss | 7. | Oct 1983 | Vienna, Austria | Carpet | Marcos Hocevar | Mel Purcell
Stan Smith | 3–6, 4–6 |
| Loss | 8. | Jul 1984 | North Conway, U.S. | Clay | Blaine Willenborg | Brian Gottfried
Tomáš Šmíd | 4–6, 2–6 |
| Win | 7. | Apr 1985 | Marbella, Spain | Clay | Andrés Gómez | Loïc Courteau
Michiel Schapers | 6–1, 6–1 |
| Loss | 9. | Sep 1985 | Geneva, Switzerland | Clay | Carlos Kirmayr | Sergio Casal
Emilio Sánchez | 4–6, 6–4, 5–7 |
| Win | 8. | Jan 1987 | Guarujá, Brazil | Hard | Luiz Mattar | Martin Hipp
Tore Meinecke | 7–6, 6–1 |
| Win | 9. | Jul 1989 | Gstaad, Switzerland | Clay | Todd Witsken | Petr Korda
Milan Šrejber | 6–4, 6–3 |
| Loss | 10. | Feb 1990 | Guarujá, Brazil | Hard | Luiz Mattar | Javier Frana
Gustavo Luza | 6–7, 6–7 |
| Loss | 11. | Mar 1990 | Miami, U.S. | Hard | Boris Becker | Rick Leach
Jim Pugh | 4–6, 6–3, 3–6 |
| Win | 10. | Apr 1991 | Madrid, Spain | Clay | Gustavo Luza | Luiz Mattar
Jaime Oncins | 6–0, 7–5 |
| Loss | 12. | May 1991 | Hamburg, Germany | Clay | Danie Visser | Sergio Casal
Emilio Sánchez | 6–4, 3–6, 2–6 |
| Loss | 13. | Nov 1991 | São Paulo, Brazil | Hard | Jorge Lozano | Andrés Gómez
Jaime Oncins | 5–7, 4–6 |