Primo turno | | Secondo turno | | Quarti di finale | | Semifinali |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
2 | Juan Gisbert
Ilie Năstase | 6 | 7 | | | | |
| Martin Mulligan
N Pietrangeli | 4 | 6 | | | | | | | Juan Gisbert
Ilie Năstase | 6 | 6 | | | | |
| Jeff Borowiak
Jim McManus | 6 | 4 | 6 | | | | | | Jeff Borowiak
Jim McManus | 4 | 2 | | | | |
| Eddie Dibbs
Harold Solomon | 2 | 6 | 3 | | | | | | | Juan Gisbert
Ilie Năstase | 5 | 7 | 6 | | | |
| P Cornejo Seckel
Jaime Fillol | 6 | 7 | | | | | | | | P Cornejo Seckel
Jaime Fillol | 7 | 6 | 3 | | | |
| Paul Gerken
Roscoe Tanner | 3 | 6 | | | | | | | P Cornejo Seckel
Jaime Fillol | 6 | 6 | | | |
| C Barazzutti
A Zugarelli | 6 | 6 | | | | | | | C Barazzutti
A Zugarelli | 3 | 1 | | | | |
| Julian Ganzabal
Steve Krulevitz | 3 | 1 | | | | | | | | Juan Gisbert
Ilie Năstase | 1 | 6 | 6 | | |
3 | Tom Gorman
Marty Riessen | 6 | 6 | | | | | | | | Tom Gorman
Marty Riessen | 6 | 1 | 1 | | |
| Jiří Hřebec
Kjell Johansson | 3 | 3 | | | | | | | Tom Gorman
Marty Riessen | 6 | 7 | | | | |
| Dick Crealy
Onny Parun | 7 | 6 | | | | | | | Dick Crealy
Onny Parun | 4 | 6 | | | | |
| Ezio Di Matteo
Piero Toci | 5 | 4 | | | | | | | | Tom Gorman
Marty Riessen | 6 | 6 | | | |
| Charlie Pasarell
Erik Van Dillen | 6 | 6 | | | | | | | | Charlie Pasarell
Erik Van Dillen | 3 | 4 | | | | |
| M Di Domenico
F Matteoli | 3 | 4 | | | | | | | Charlie Pasarell
Erik Van Dillen | w/o | | | | |
| Jan Kodeš
Vladimír Zedník | 6 | 6 | | | | | | | Jan Kodeš
Vladimír Zedník | | | | | | |
| Thomaz Koch
J R Pinto Bravo | 2 | 3 | | | | |