Primo turno | | Secondo turno | | Terzo turno | | Quarti di finale |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Mike Estep
Charlie Owens | 6 | 6 | 7 | | | |
3 | Arthur Ashe
Roscoe Tanner | 7 | 3 | 6 | | | | | | Mike Estep
Charlie Owens | 6 | 3 | 6 | | | |
| Peter Fleming
Vitas Gerulaitis | 6 | 6 | | | | | | | Peter Fleming
Vitas Gerulaitis | 4 | 6 | 3 | | | |
| John McEnroe
Tony Palafox | 3 | 3 | | | | | | | | Mike Estep
Charlie Owens | 6 | 3 | 5 | | | |
| Clark Graebner
Ray Moore | 7 | 6 | | | | | | | | Clark Graebner
Ray Moore | 4 | 6 | 7 | | | |
| Colin Dibley
Ismail El Shafei | 5 | 3 | | | | | | | Clark Graebner
Ray Moore | 6 | 6 | | | |
| John Feaver
Grover Reid | 3 | 6 | 7 | | | | | | John Feaver
Grover Reid | 3 | 3 | | | | |
| Peter Doerner
Roger Dowdeswell | 6 | 1 | 6 | | | | | | | Clark Graebner
Ray Moore | 6 | 6 | 7 | 4 | 3 |
8 | P Cornejo Seckel
Jaime Fillol | 6 | 7 | | | | | | | 8 | P Cornejo Seckel
Jaime Fillol | 7 | 4 | 5 | 6 | 6 |
| Al Bunis
Butch Seewagen | 1 | 6 | | | | | | 8 | P Cornejo Seckel
Jaime Fillol | 6 | 7 | | | | |
| Pat Du Pré
Armistead Neely | 4 | 7 | 7 | | | | | | Pat Du Pré
Armistead Neely | 4 | ;6 | | | | |
| Jimmy Connors
Spencer Segura | 6 | 5 | 6 | | | | | | 8 | P Cornejo Seckel
Jaime Fillol | 6 | 6 | | | |
| Bruce Manson
Ferdi Taygan | 6 | 7 | | | | | | | | Bruce Manson
Ferdi Taygan | 3 | 2 | | | | |
| Billy Martin
Eugene Scott | 4 | 6 | | | | | | | Bruce Manson
Ferdi Taygan | 6 | 7 | | | |
| Dick Crealy
Onny Parun | 7 | 1 | 7 | | | | | | Dick Crealy
Onny Parun | 4 | 6 | | | | |
| J R Pinto Bravo
Belus Prajoux | 5 | 6 | 5 | | | |