Primo turno | | Secondo turno | | Quarti di finale | | Semifinali |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Juan Gisbert
Manuel Orantes | 4 | 7 | 6 | | | |
| Gerald Battrick
Graham Stilwell | 6 | 5 | 4 | | | | | | Juan Gisbert
Manuel Orantes | 6 | 5 | 6 | | | |
| Hans Kary
Patrick Proisy | 7 | 3 | 7 | | | | | | Hans Kary
Patrick Proisy | 4 | 7 | 2 | | | |
| Ricardo Cano
Belus Prajoux | 5 | 6 | 5 | | | | | | | Juan Gisbert
Manuel Orantes | 6 | 6 | | | | |
| P Cornejo Seckel
Thomaz Koch | 6 | 6 | 6 | | | | | | | P Cornejo Seckel
Thomaz Koch | 0 | 3 | | | | |
| Wojciech Fibak
František Pála | 7 | 4 | 4 | | | | | | P Cornejo Seckel
Thomaz Koch | 6 | 6 | | | |
| P Dominguez
F Jauffret | 7 | 6 | | | | | | | P Dominguez
F Jauffret | 2 | 2 | | | | |
| Jim McManus
Denis Naegelen | 6 | 3 | | | | | | | | Juan Gisbert
Manuel Orantes | 5 | 7 | 4 | | |
| Carlos Kirmayr
Víctor Pecci | 6 | 6 | | | | | | | | Jan Kodeš
Ilie Năstase | 7 | 6 | 6 | | |
| Z Franulović
Onny Parun | 2 | 2 | | | | | | | Carlos Kirmayr
Víctor Pecci | 6 | 6 | | | | |
| Anthony Bardsley
David Brown | 6 | 3 | 6 | | | | | | Anthony Bardsley
David Brown | 3 | 4 | | | | |
| R G Benavides Saravia
Alvaro Betancur | 2 | 6 | 2 | | | | | | | Carlos Kirmayr
Víctor Pecci | 3 | 6 | | | |
| Iván Molina
Jairo Velasco, Sr. | 4 | 6 | 7 | | | | | | | Jan Kodeš
Ilie Năstase | 6 | 7 | | | | |
| Mike Cahill
Steve Krulevitz | 6 | 2 | 5 | | | | | | Iván Molina
Jairo Velasco, Sr. | 3 | 7 | 2 | | |
| Jan Kodeš
Ilie Năstase | 6 | 6 | | | | | | | Jan Kodeš
Ilie Năstase | 6 | 6 | 6 | | | |
| John Feaver
C Mottram | 2 | 2 | | | | |