Result | No. | Date | Tournament | Surface | Partner | Opponents | Score |
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Win | 1. | 1971 | New York, U.S. | Carpet (i) | Manuel Orantes | Jimmy Connors Haroon Rahim | 7–6, 6–2 |
Win | 2. | 1971 | Salisbury, U.S. | Carpet (i) | Manuel Orantes | Clark Graebner Thomaz Koch | 6–3, 4–6, 7–6 |
Win | 3. | 1971 | Barcelona WCT, Spain | Clay | Željko Franulović | Cliff Drysdale Andrés Gimeno | 7–6, 6–2, 7–6 |
Loss | 1. | 1972 | Salisbury, U.S. | Carpet (i) | Vladimír Zedník | Andrés Gimeno Manuel Orantes | 4–6, 3–6 |
Win | 4. | 1972 | Brussels, Belgium | Clay | Manuel Orantes | Patricio Cornejo Jaime Fillol | 9–7, 6–3 |
Win | 5. | 1972 | Eastbourne, England | Grass | Manuel Orantes | Nicholas Kalogeropoulos Andrew Pattison | 8–6, 6–2 |
Win | 6. | 1972 | Barcelona, Spain | Clay | Manuel Orantes | Frew McMillan Ilie Năstase | 6–3, 3–6, 6–4 |
Loss | 2. | 1972 | Paris Indoor, France | Hard (i) | Andrés Gimeno | Pierre Barthès François Jauffret | 3–6, 2–6 |
Win | 7. | 1973 | Roanoke, U.S. | Carpet (i) | Jimmy Connors | Ian Fletcher Butch Seewagen | 6–0, 7–6 |
Loss | 3. | 1973 | Omaha, U.S. | Carpet (i) | Jimmy Connors | William Brown Mike Estep | DEF |
Loss | 4. | 1973 | Des Moines, U.S. | Carpet (i) | Ion Țiriac | Jiří Hřebec Jan Kukal | 6–4, 6–7, 1–6 |
Loss | 5. | 1973 | Salisbury, U.S. | Carpet (i) | Jürgen Fassbender | Clark Graebner Ilie Năstase | 6–2, 4–6, 3–6 |
Win | 8. | 1973 | Barcelona, Spain | Clay | Manuel Orantes | Mike Estep Ion Țiriac | 6–4, 7–6 |
Win | 9. | 1973 | Monte Carlo, Monaco | Clay | Ilie Năstase | Georges Goven Patrick Proisy | 6–2, 6–2, 6–2 |
Loss | 6. | 1973 | Florence, Italy | Clay | Ilie Năstase | Paolo Bertolucci Adriano Panatta | 3–6, 4–6 |
Win | 10. | 1973 | Paris, France | Hard (i) | Ilie Năstase | Arthur Ashe Roscoe Tanner | 6–2, 4–6, 7–5 |
Loss | 7. | 1974 | Tokyo WCT, Japan | Hard | Roger Taylor | Raymond Moore Onny Parun | 6–4, 2–6, 4–6 |
Win | 11. | 1974 | Bournemouth, England | Clay | Ilie Năstase | Corrado Barazzutti Paolo Bertolucci | 6–4, 6–2, 6–0 |
Loss | 8. | 1974 | Rome, Italy | Clay | Ilie Năstase | Brian Gottfried Raúl Ramírez | 3–6, 2–6, 3–6 |
Win | 12. | 1974 | Barcelona, Spain | Clay | Ilie Năstase | Manuel Orantes Guillermo Vilas | 3–6, 6–0, 6–2 |
Loss | 9. | 1975 | Roanoke, U.S. | Carpet (i) | Ion Țiriac | Vitas Gerulaitis Sandy Mayer | 6–7, 6–1, 3–6 |
Win | 13. | 1975 | Boca Raton, U.S. | Hard | Clark Graebner | Jürgen Fassbender Ion Țiriac | 6–2, 6–1 |
Win | 14. | 1975 | Shreveport, U.S. | | William Brown | János Benyik Róbert Machán | 6–4, 6–4 |
Win | 15. | 1975 | Bournemouth, UK | Clay | Manuel Orantes | Syd Ball Dick Crealy | 8–6, 6–3 |
Win | 16. | 1975 | Hamburg, West Germany | Clay | Manuel Orantes | Wojtek Fibak Jan Kodeš | 6–3, 7–6 |
Loss | 10. | 1975 | Båstad, Sweden | Clay | Manuel Orantes | Björn Borg Ove Nils Bengtson | 6–7, 5–7 |
Win | 17. | 1975 | Indianapolis, U.S. | Clay | Manuel Orantes | Wojtek Fibak Hans-Jürgen Pohmann | 7–5, 6–0 |
Loss | 11. | 1975 | Madrid, Spain | Clay | Manuel Orantes | Jan Kodeš Ilie Năstase | 6–7, 6–4, 7–9 |
Win | 18. | 1975 | Tehran, Iran | Clay | Manuel Orantes | Bob Hewitt Frew McMillan | 7–5, 6–7, 6–1, 6–4 |
Loss | 12. | 1975 | Tokyo, Japan | Clay | Manuel Orantes | Brian Gottfried Raúl Ramírez | 6–7, 4–6 |
Win | 19. | 1975 | Calcutta, India | Carpet (i) | Manuel Orantes | Anand Amritraj Vijay Amritraj | 1–6, 6–4, 6–3 |
Win | 20. | 1976 | Valencia, Spain | Clay | Manuel Orantes | Corrado Barazzutti Antonio Zugarelli | |
Win | 21. | 1976 | Munich, West Germany | Clay | Manuel Orantes | Jürgen Fassbender Hans-Jürgen Pohmann | 1–6, 6–3, 6–2, 2–3, ret. |
Loss | 13. | 1976 | Bournemouth, England | Clay | Manuel Orantes | Wojtek Fibak Fred McNair | 6–4, 5–7, 5–7 |
Loss | 14. | 1976 | Båstad, Sweden | Clay | Wojtek Fibak | Fred McNair Sherwood Stewart | 3–6, 4–6 |
Loss | 15. | 1976 | Montreal, Canada | Hard | Manuel Orantes | Bob Hewitt Raúl Ramírez | 2–6, 1–6 |
Loss | 16. | 1976 | Tehran, Iran | Clay | Manuel Orantes | Wojtek Fibak Raúl Ramírez | 5–7, 1–6 |
Loss | 17. | 1976 | Johannesburg, South Africa | Hard | Stan Smith | Brian Gottfried Sherwood Stewart | 6–1, 1–6, 2–6, 6–7 |