Primo turno | | Secondo turno | | Terzo turno | | Quarti di finale |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Dick Dell
Billy Martin | 7 | 4 | 6 | | | |
| Gene Mayer
Trey Waltke | 6 | 6 | 4 | | | | | | Dick Dell
Billy Martin | 5 | 6 | 3 | | | |
| P Cornejo Seckel
Jaime Fillol | 2 | 7 | 6 | | | | | | P Cornejo Seckel
Jaime Fillol | 7 | 2 | 6 | | | |
| Milan Holeček
Karl Meiler | 6 | 5 | 3 | | | | | | | P Cornejo Seckel
Jaime Fillol | 7 | 4 | 4 | | | |
| Bob Carmichael
Onny Parun | 6 | 7 | | | | | | | 7 | Jimmy Connors
Ilie Năstase | 5 | 6 | 6 | | | |
| John Austin
Peter Rennert | 3 | 5 | | | | | | | Bob Carmichael
Onny Parun | 4 | 4 | | | |
7 | Jimmy Connors
Ilie Năstase | 6 | 7 | | | | | | 7 | Jimmy Connors
Ilie Năstase | 6 | 6 | | | | |
| John James
Rolf Thung | 2 | 5 | | | | | | | 7 | Jimmy Connors
Ilie Năstase | 6 | 6 | | | |
| Armistead Neely
Tenny Svensson | 6 | 3 | 6 | | | | | | | Armistead Neely
Tenny Svensson | 2 | 2 | | | |
| Álvaro Fillol
David Kanter | 2 | 6 | 3 | | | | | | Armistead Neely
Tenny Svensson | 6 | 5 | 6 | | | |
| Mark Cox
Cliff Drysdale | 6 | 6 | | | | | | | Mark Cox
Cliff Drysdale | 2 | 7 | 3 | | | |
| Colin Dowdeswell
Roger Dowdeswell | 2 | 4 | | | | | | | | Armistead Neely
Tenny Svensson | 7 | 6 | | | |
| Pancho Segura
Spencer Segura | W-O | | | | | | | | | Jeff Austin
Charlie Owens | 6 | 3 | | | | |
| Víctor Pecci
Tito Vázquez | | | | | | | | | Pancho Segura
Spencer Segura | 2 | 0 | | | |
| Jeff Austin
Charlie Owens | W-O | | | | | | | | Jeff Austin
Charlie Owens | 6 | 6 | | | | |
3 | Bob Lutz
Stan Smith | | | | | | |