Primo turno | | Secondo turno | | Quarti di finale | | Semifinali |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
2 | Juan Gisbert
Ilie Năstase | 6 | 11 | | | | |
| Iván Molina
Jairo Velasco, Sr. | 1 | 9 | | | | | | | Juan Gisbert
Ilie Năstase | 6 | 6 | | | | |
| Raymond Moore
Andrew Pattison | 6 | 6 | | | | | | | Raymond Moore
Andrew Pattison | 1 | 2 | | | | |
| Jose Moreno
J Ignacio Muntañola | 4 | 3 | | | | | | | | Juan Gisbert
Ilie Năstase | 6 | 6 | | | | |
7 | Anand Amritraj
Vijay Amritraj | 6 | 6 | | | | | | | | Colin Dowdeswell
Frew McMillan | 2 | 2 | | | | |
| Gerald Battrick
Graham Stilwell | 2 | 1 | | | | | | | Anand Amritraj
Vijay Amritraj | 6 | 7 | 3 | | |
| Colin Dowdeswell
Frew McMillan | 6 | 6 | | | | | | | Colin Dowdeswell
Frew McMillan | 3 | 9 | 6 | | | |
| Jose Castanon
Ángel Giménez | 1 | 3 | | | | | | | | Juan Gisbert
Ilie Năstase | 8 | 6 | | | |
3 | Patricio Cornejo
Jaime Fillol | 6 | 9 | | | | | | | | Jiří Hřebec
Jan Kodeš | 6 | 1 | | | |
| Nicola Spear
John Yuill | 2 | 7 | | | | | | | Patricio Cornejo
Jaime Fillol | 7 | 6 | | | | |
| Jose Mandarino
Antonio Muñoz | 8 | 7 | | | | | | | Jose Mandarino
Antonio Muñoz | 5 | 2 | | | | |
| Mark Farrell
John Lloyd | 6 | 5 | | | | | | | | Patricio Cornejo
Jaime Fillol | 5 | 6 | 3 | | |
5 | Jiří Hřebec
Jan Kodeš | 6 | 6 | | | | | | | | Jiří Hřebec
Jan Kodeš | 7 | 2 | 6 | | | |
| B Phillips-Moore
Haroon Rahim | 3 | 3 | | | | | | | Jiří Hřebec
Jan Kodeš | 6 | 6 | | | |
| J Loyo Mayo
P Rodríguez | 6 | 8 | 6 | | | | | | J Loyo Mayo
P Rodríguez | 4 | 2 | | | | |
| Eddie Dibbs
Harold Solomon | 3 | 10 | 3 | | | |