| R32 | 227 | Szabolcz BaranyiClay | 128 | Ray KeldieClay | 6-0 7-6 6-4 | 5 | - | - | - | - | - | - | - |
| R32 | 213 | Ramiro BenavidesClay | 75 | Hans KaryClay | 7-6 6-2 | 3 | - | - | - | - | - | - | - |
| R32 | 262 | Ricardo CanoClay | 195 | Patricio RodriguezClay | 4-6 6-3 7-5 | 3 | - | - | - | - | - | - | - |
| R32 | 74 | Patricio CornejoClay | - | Hugo VarelaClay | 6-2 6-2 | 3 | - | - | - | - | - | - | - |
| R32 | 31 | Jaime Fillol Sr.Clay | - | Luis BaraldiClay | 6-1 6-3 | 3 | - | - | - | - | - | - | - |
| R32 | 78 | Zeljko FranulovicClay | 309 | Francisco MastelliClay | 6-4 4-6 6-2 | 3 | - | - | - | - | - | - | - |
| R32 | 69 | Julian GanzabalClay | - | Guillermo AuboneClay | 6-4 6-2 | 3 | - | - | - | - | - | - | - |
| R32 | 309 | Carlos KirmayrClay | 54 | Buster C. MottramClay | 1-6 6-3 6-4 | 3 | - | - | - | - | - | - | - |
| R32 | - | Tomas LynchClay | 109 | Roger DowdeswellClay | 6-2 2-6 6-1 | 3 | - | - | - | - | - | - | - |
| R32 | 123 | Jose Edison MandarinoClay | 116 | Belus PrajouxClay | 6-1 1-6 6-2 | 3 | - | - | - | - | - | - | - |
| R32 | 103 | Ivan MolinaClay | 186 | Elio Lito AlvarezClay | 4-6 6-4 6-4 | 3 | - | - | - | - | - | - | - |
| R32 | 12 | Manuel OrantesClay | - | Roberto AuboneClay | 6-2 6-0 | 3 | - | - | - | - | - | - | - |
| R32 | 227 | Victor PecciClay | 71 | Jairo Velasco SrClay | 6-1 3-6 6-0 | 3 | - | - | - | - | - | - | - |
| R32 | 195 | Peter SzokeClay | 120 | Jaime Pinto-BravoClay | 7-6 6-1 | 3 | - | - | - | - | - | - | - |
| R32 | 133 | Modesto Tito VazquezClay | 97 | John LloydClay | 6-3 6-1 | 3 | - | - | - | - | - | - | - |
| R32 | 6 | Guillermo VilasClay | 114 | Rick FisherClay | 6-1 6-4 | 3 | - | - | - | - | - | - | - |
| R16 | 213 | Ramiro BenavidesClay | 133 | Modesto Tito VazquezClay | 6-2 6-4 | 3 | - | - | - | - | - | - | - |
| R16 | 262 | Ricardo CanoClay | 31 | Jaime Fillol Sr.Clay | 7-6 6-0 | 3 | - | - | - | - | - | - | - |
| R16 | 78 | Zeljko FranulovicClay | 74 | Patricio CornejoClay | 6-1 7-5 | 3 | - | - | - | - | - | - | - |
| R16 | 123 | Jose Edison MandarinoClay | 309 | Carlos KirmayrClay | 6-3 6-3 | 3 | - | - | - | - | - | - | - |
| R16 | 103 | Ivan MolinaClay | 69 | Julian GanzabalClay | 6-3 6-3 | 3 | - | - | - | - | - | - | - |
| R16 | 12 | Manuel OrantesClay | 195 | Peter SzokeClay | 6-4 6-2 | 3 | - | - | - | - | - | - | - |
| R16 | 227 | Victor PecciClay | - | Tomas LynchClay | 6-2 6-3 | 3 | - | - | - | - | - | - | - |
| R16 | 6 | Guillermo VilasClay | 227 | Szabolcz BaranyiClay | 6-1 6-4 | 3 | - | - | - | - | - | - | - |
| QF | 123 | Jose Edison MandarinoClay | 78 | Zeljko FranulovicClay | 6-4 2-6 6-4 | 3 | - | - | - | - | - | - | - |
| QF | 103 | Ivan MolinaClay | 262 | Ricardo CanoClay | 6-4 6-4 | 3 | - | - | - | - | - | - | - |
| QF | 12 | Manuel OrantesClay | 227 | Victor PecciClay | 6-2 6-4 | 3 | - | - | - | - | - | - | - |
| QF | 6 | Guillermo VilasClay | 213 | Ramiro BenavidesClay | 6-2 6-4 | 3 | - | - | - | - | - | - | - |
| SF | 12 | Manuel OrantesClay | 103 | Ivan MolinaClay | 6-1 6-1 6-3 | 5 | - | - | - | - | - | - | - |
| SF | 6 | Guillermo VilasClay | 123 | Jose Edison MandarinoClay | 6-1 6-3 6-4 | 5 | - | - | - | - | - | - | - |
| F | 6 | Guillermo VilasClay | 12 | Manuel OrantesClay | 6-3 0-6 7-5 6-2 | 5 | - | - | - | - | - | - | - |