| Result | No. | Year | Tournament | Surface | Partner | Opponents | Score |
|---|
| Win | 1. | 1968 | Rome, Italy | Clay | Tom Okker | Nicholas Kalogeropoulos
Allan Stone | 6–3, 6–4, 6–2 |
| Win | 2. | 1968 | Hamburg, Germany | Clay | Tom Okker | John Newcombe
Tony Roche | 6–4, 6–4, 7–5 |
| Win | 3. | 1969 | Philadelphia, U.S. | Carpet (i) | Tom Okker | John Newcombe
Tony Roche | 8–6, 6–4 |
| Loss | 1. | 1969 | Wimbledon, London | Grass | Tom Okker | John Newcombe
Tony Roche | 5–7, 9–11, 3–6 |
| Win | 4. | 1969 | Gstaad, Switzerland | Clay | Tom Okker | Mal Anderson
Roy Emerson | 6–1, 6–4 |
| Win | 5. | 1969 | Hamburg, Germany | Clay | Tom Okker | Jean-Claude Barclay
Jürgen Fassbender | 6–1, 6–2, 6–4 |
| Win | 6. | 1970 | Monte Carlo, Monaco | Clay | Roger Taylor | Pierre Barthès
Nikola Pilić | 6–3, 6–4, 6–2 |
| Win | 7. | 1970 | London Queen's Club, England | Grass | Tom Okker | Arthur Ashe
Charlie Pasarell | 6–4, 6–4 |
| Loss | 2. | 1970 | Gstaad, Switzerland | Clay | Tom Okker | Cliff Drysdale
Roger Taylor | 2–6, 3–6, 2–6 |
| Win | 8. | 1970 | Toronto, Canada | Clay | Bill Bowrey | Cliff Drysdale
Fred Stolle | 6–3, 6–2 |
| Win | 9. | 1970 | Los Angeles, U.S. | Hard | Tom Okker | Bob Lutz
Stan Smith | 7–6, 6–2 |
| Loss | 3. | 1971 | Australian Open, Melbourne | Grass | Tom Okker | John Newcombe
Tony Roche | 2–6, 6–7 |
| Win | 10. | 1971 | Chicago WCT, U.S. | Hard (i) | Tom Okker | John Newcombe
Tony Roche | 7–6, 4–6, 7–6 |
| Win | 11. | 1971 | Dallas WCT, U.S. | Carpet | Tom Okker | Bob Lutz
Charlie Pasarell | 6–3, 6–4 |
| Win | 12. | 1971 | French Open, Paris | Clay | Arthur Ashe | Tom Gorman
Stan Smith | 6–8, 4–6, 6–3, 6–4, 11–9 |
| Win | 13. | 1971 | London Queen's Club, England | Grass | Tom Okker | Erik van Dillen
Stan Smith | 8–6, 4–6, 10–8 |
| Win | 14. | 1971 | Washington, D.C., U.S. | Clay | Tom Okker | Bob Carmichael
Ray Ruffels | 7–6, 6–2 |
| Loss | 4. | 1971 | Quebec WCT, Canada | Hard (i) | Tom Okker | Roy Emerson
Rod Laver | 6–7, 2–6 |
| Loss | 5. | 1971 | Boston WCT, U.S. | Clay | Tom Okker | Roy Emerson
Rod Laver | 4–6, 4–6 |
| Win | 15. | 1971 | Montreal, Canada | Clay | Tom Okker | Arthur Ashe
Dennis Ralston | 6–3, 6–3, 6–1 |
| Win | 16. | 1971 | Cologne, Germany | Carpet (i) | Tom Okker | Roy Emerson
Rod Laver | 6–7, 3–6, 7–6, 6–3, 6–4 |
| Win | 17. | 1972 | Richmond WCT, U.S. | Carpet | Tom Okker | John Newcombe
Tony Roche | 7–6, 7–6 |
| Win | 18. | 1972 | Miami WCT, U.S. | Hard | Tom Okker | Roy Emerson
Rod Laver | 7–5, 6–4 |
| Win | 19. | 1972 | Chicago WCT, U.S. | Hard | Tom Okker | Roy Emerson
Rod Laver | 6–2, 6–3 |
| Win | 20. | 1972 | Charlotte WCT, U.S. | Clay | Tom Okker | John Newcombe
Tony Roche | 6–4, 4–6, 7–6 |
| Win | 21. | 1972 | Washington, D.C., U.S. | Clay | Tom Okker | John Newcombe
Tony Roche | 3–6, 6–3, 6–2 |
| Win | 22. | 1972 | Fort Worth WCT, U.S. | Hard | Tom Okker | Ken Rosewall
Fred Stolle | 6–2, 6–2 |
| Win | 23. | 1972 | Montreal WCT, Canada | Outdoor | Tom Okker | Robert Maud
Ken Rosewall | 6–1, 4–6, 7–6 |
| Win | 24. | 1972 | Alamo WCT, U.S. | Outdoor | Tom Okker | Brian Fairlie
Ismail El Shafei | 7–6, 6–4 |
| Win | 25. | 1972 | Stockholm, Sweden | Hard (i) | Tom Okker | Colin Dibley
Roy Emerson | 7–5, 7–6 |
| Win | 26. | 1972 | Gothenburg WCT, Sweden | Carpet (i) | Tom Okker | Brian Fairlie
Ismail El Shafei | 6–2, 7–6 |
| Win | 27. | 1973 | London WCT, England | Carpet (i) | Tom Okker | Arthur Ashe
Roscoe Tanner | 6–3, 6–3 |
| Win | 28. | 1973 | Milan WCT, Italy | Carpet (i) | Tom Okker | Ken Rosewall
Fred Stolle | 6–3, 6–3 |
| Loss | 6. | 1973 | Cologne WCT, Germany | Carpet (i) | Tom Okker | Mark Cox
Graham Stilwell | 6–7, 3–6 |
| Win | 29. | 1973 | Washington WCT, U.S. | Carpet (i) | Tom Okker | Arthur Ashe
Roscoe Tanner | 4–6, 7–6, 6–2 |
| Win | 30. | 1973 | Houston, U.S. | Clay | Tom Okker | Arthur Ashe
Roscoe Tanner | 7–5, 7–5 |
| Win | 31. | 1973 | Charlotte WCT, U.S. | Clay | Tom Okker | Erik van Dillen
Tom Gorman | 7–6, 3–6, 6–3 |
| Loss | 7. | 1973 | Denver WCT, U.S. | Carpet (i) | Tom Okker | Arthur Ashe
Roscoe Tanner | 6–3, 3–6, 6–7 |
| Loss | 8. | 1973 | World Doubles WCT, Montreal | Carpet (i) | Tom Okker | Bob Lutz
Stan Smith | 2–6, 6–7, 0–6 |
| Win | 32. | 1973 | London Queen's Club, England | Grass | Tom Okker | Ray Keldie
Raymond Moore | 6–4, 7–5 |
| Loss | 9. | 1973 | Quebec WCT, Canada | Hard (i) | Jimmy Connors | Bob Carmichael
Frew McMillan | 2–6, 6–7 |
| Loss | 10. | 1974 | Toronto WCT, Canada | Carpet (i) | Tom Okker | Raúl Ramírez
Tony Roche | 3–6, 6–2, 4–6 |
| Loss | 11. | 1974 | Miami WCT, U.S. | Hard | Tom Okker | John Alexander
Phil Dent | 6–4, 4–6, 5–7 |
| Loss | 12. | 1974 | Washington WCT, U.S. | Carpet (i) | Tom Okker | Bob Hewitt
Frew McMillan | 6–7, 3–6 |
| Win | 33. | 1974 | Chicago, U.S. | Hard (i) | Tom Gorman | Brian Gottfried
Raúl Ramírez | 4–6, 6–3, 7–5 |
| Win | 34. | 1974 | Washington, D.C., U.S. | Clay | Tom Gorman | Patricio Cornejo
Jaime Fillol | 7–5, 6–1 |
| Loss | 13. | 1974 | Boston, U.S. | Clay | Hans-Jürgen Pohmann | Bob Lutz
Stan Smith | 6–3, 4–6, 3–6 |
| Win | 35. | 1974 | Stockholm, Sweden | Hard (i) | Tom Okker | Bob Hewitt
Frew McMillan | 2–6, 6–3, 6–4 |
| Loss | 14. | 1974 | Johannesburg, South Africa | Hard | Tom Okker | Bob Hewitt
Frew McMillan | 6–7, 4–6, 3–6 |
| Loss | 15. | 1975 | Nottingham, England | Grass | Tom Okker | Charlie Pasarell
Roscoe Tanner | 2–6, 3–6 |
| Loss | 16. | 1975 | US Open, New York | Clay | Tom Okker | Jimmy Connors
Ilie Năstase | 4–6, 6–7 |
| Loss | 17. | 1975 | Los Angeles, U.S. | Hard | Cliff Drysdale | Anand Amritraj
Vijay Amritraj | 6–7, 6–4, 4–6 |
| Loss | 18. | 1976 | Memphis WCT, U.S. | Hard (i) | Roscoe Tanner | Anand Amritraj
Vijay Amritraj | 3–6, 4–6 |
| Win | 36. | 1976 | La Costa, U.S. | Hard | Roscoe Tanner | Peter Fleming
Gene Mayer | 7–6, 7–6 |
| Win | 37. | 1976 | Johannesburg WCT, South Africa | Hard | Roscoe Tanner | Frew McMillan
Tom Okker | 6–2, 7–5 |
| Win | 38. | 1976 | South Orange, U.S. | Clay | Fred McNair | Vitas Gerulaitis
Ilie Năstase | 7–5, 4–6, 6–2 |
| Win | 39. | 1976 | US Open, New York | Clay | Tom Okker | Paul Kronk
Cliff Letcher | 6–4, 6–4 |
| Win | 40. | 1976 | Paris Masters, France | Carpet (i) | Tom Okker | Fred McNair
Sherwood Stewart | 6–2, 6–2 |
| Loss | 19. | 1976 | Stockholm Open, Sweden | Hard (i) | Tom Okker | Bob Hewitt
Frew McMillan | 4–6, 6–4, 4–6 |
| Loss | 20. | 1977 | Palm Springs, U.S. | Hard | Roscoe Tanner | Bob Hewitt
Frew McMillan | 6–7, 6–7 |
| Win | 41. | 1977 | Woodlands Doubles, U.S. | Hard | Tom Okker | Tim Gullikson
Tom Gullikson | 3–6, 6–3, 6–3, 4–6, 6–1 |
| Win | 42. | 1977 | San Francisco, U.S. | Hard (i) | Dick Stockton | Fred McNair
Sherwood Stewart | 6–4, 1–6, 6–4 |
| Loss | 21. | 1977 | Hong Kong | Hard | Roscoe Tanner | Syd Ball
Kim Warwick | 6–7, 3–6 |
| Loss | 22. | 1978 | Springfield, U.S. | Carpet (i) | Jan Kodeš | Bob Lutz
Stan Smith | 3–6, 3–6 |
| Loss | 23. | 1978 | US Open, New York | Hard | Sherwood Stewart | Robert Maud
Ken Rosewall | 6–1, 5–7, 3–6 |
| Loss | 24. | 1978 | Woodlands Doubles, U.S. | Hard | Sherwood Stewart | Wojtek Fibak
Tom Okker | 6–7, 6–3, 6–4, 6–7, 3–6 |
| Win | 43. | 1979 | Baltimore WCT, U.S. | Carpet (i) | Sherwood Stewart | Anand Amritraj
Cliff Drysdale | 7–6, 6–4 |
| Win | 44. | 1979 | Las Vegas, U.S. | Hard | Sherwood Stewart | Adriano Panatta
Raúl Ramírez | 4–6, 6–4, 7–6 |
| Loss | 25. | 1979 | London Queen's Club, England | Grass | Sherwood Stewart | Tim Gullikson
Tom Gullikson | 4–6, 4–6 |
| Loss | 26. | 1979 | Surbiton, England | Grass | Pat DuPré | Tim Gullikson
Tom Gullikson | 3–6, 7–6, 6–8 |
| Win | 45. | 1979 | Washington, D.C., U.S. | Clay | Sherwood Stewart | Brian Gottfried
Raúl Ramírez | 2–6, 6–3, 6–4 |
| Win | 46. | 1979 | Louisville, U.S. | Hard | Sherwood Stewart | Vijay Amritraj
Raúl Ramírez | 6–2, 1–6, 6–1 |
| Win | 47. | 1979 | Lafayette, U.S. | Carpet | Sherwood Stewart | Victor Amaya
Eric Friedler | 6–4, 6–4 |
| Win | 48. | 1979 | Woodlands Doubles, U.S. | Hard | Sherwood Stewart | Bob Carmichael
Tim Gullikson | 6–3, 2–2 ret. |
| Win | 49. | 1979 | Los Angeles, U.S. | Carpet | Sherwood Stewart | Wojtek Fibak
Frew McMillan | 6–4, 6–4 |
| Win | 50. | 1979 | Tokyo Indoor, Japan | Carpet (i) | Sherwood Stewart | Mike Cahill
Terry Moor | 6–4, 7–6 |
| Win | 51. | 1980 | Baltimore WCT, U.S. | Carpet (i) | Tim Gullikson | Brian Gottfried
Frew McMillan | 2–6, 6–3, 6–4 |
| Loss | 27. | 1980 | Houston, U.S. | Clay | Sherwood Stewart | Peter McNamara
Paul McNamee | 4–6, 4–6 |
| Loss | 28. | 1980 | Tokyo Indoor, Japan | Carpet (i) | Sherwood Stewart | Victor Amaya
Hank Pfister | 3–6, 6–3, 6–7 |
| Win | 52. | 1981 | Philadelphia, U.S. | Carpet (i) | Sherwood Stewart | Brian Gottfried
Raúl Ramírez | 6–2, 6–2 |