| R32 | 16 | Martin JaiteClay | 235 | Roberto AzarClay | 6-3 6-2 | 3 | - | - | - | - | - | - | - |
| R32 | 37 | Horacio de la PenaClay | 310 | Gustavo TibertiClay | 7-6 7-5 | 3 | - | - | - | - | - | - | - |
| R32 | 41 | Horst SkoffClay | 262 | Guillermo RivasClay | 6-1 7-6 | 3 | - | - | - | - | - | - | - |
| R32 | 56 | Francisco MacielClay | 183 | Marcelo IngaramoClay | 6-3 3-6 6-3 | 3 | - | - | - | - | - | - | - |
| R32 | 126 | Jay BergerClay | 59 | Eduardo BengoecheaClay | 7-5 7-5 | 3 | - | - | - | - | - | - | - |
| R32 | 153 | Cesar KistClay | 86 | Christian MiniussiClay | 6-2 6-3 | 3 | - | - | - | - | - | - | - |
| R32 | 123 | Guillermo Perez-RoldanClay | 99 | Carlos KirmayrClay | 6-4 6-3 | 3 | - | - | - | - | - | - | - |
| R32 | 137 | Alejandro GanzabalClay | 101 | Mark DicksonClay | 1-6 6-1 6-4 | 3 | - | - | - | - | - | - | - |
| R32 | 286 | Roberto ArguelloClay | 191 | Roberto SaadClay | 6-0 6-1 | 3 | - | - | - | - | - | - | - |
| R32 | 322 | Hugo ChapacuClay | 133 | Ricardo AcunaClay | 6-4 6-2 | 3 | - | - | - | - | - | - | - |
| R32 | 192 | Franco DavinClay | 150 | Lawson DuncanClay | 2-6 6-2 6-4 | 3 | - | - | - | - | - | - | - |
| R32 | 156 | Javier FranaClay | 139 | Ivan KleyClay | 7-5 6-4 | 3 | - | - | - | - | - | - | - |
| R32 | 163 | Jose Lopez-MaesoClay | 245 | Joao SoaresClay | 6-3 6-0 | 3 | - | - | - | - | - | - | - |
| R32 | 171 | Claudio PistolesiClay | 270 | Carlos CastellanClay | 6-2 2-6 6-3 | 3 | - | - | - | - | - | - | - |
| R32 | 148 | Carl-Uwe SteebClay | 94 | Marian VajdaClay | 6-3 6-2 | 3 | - | - | - | - | - | - | - |
| R32 | 238 | Gerardo VacarezzaClay | 258 | Gustavo GuerreroClay | 4-6 7-5 6-0 | 3 | - | - | - | - | - | - | - |
| R16 | 192 | Franco DavinClay | 16 | Martin JaiteClay | 6-4 7-5 | 3 | - | - | - | - | - | - | - |
| R16 | 148 | Carl-Uwe SteebClay | 37 | Horacio de la PenaClay | 6-3 6-4 | 3 | - | - | - | - | - | - | - |
| R16 | 286 | Roberto ArguelloClay | 41 | Horst SkoffClay | 7-6 5-7 6-4 | 3 | - | - | - | - | - | - | - |
| R16 | 56 | Francisco MacielClay | 156 | Javier FranaClay | 6-4 3-6 6-1 | 3 | - | - | - | - | - | - | - |
| R16 | 126 | Jay BergerClay | 171 | Claudio PistolesiClay | 2-6 6-2 6-4 | 3 | - | - | - | - | - | - | - |
| R16 | 137 | Alejandro GanzabalClay | 238 | Gerardo VacarezzaClay | 6-2 6-4 | 3 | - | - | - | - | - | - | - |
| R16 | 163 | Jose Lopez-MaesoClay | 153 | Cesar KistClay | 6-3 6-2 | 3 | - | - | - | - | - | - | - |
| R16 | 123 | Guillermo Perez-RoldanClay | 322 | Hugo ChapacuClay | 3-6 6-0 6-0 | 3 | - | - | - | - | - | - | - |
| QF | 126 | Jay BergerClay | 56 | Francisco MacielClay | 6-4 3-6 7-5 | 3 | - | - | - | - | - | - | - |
| QF | 286 | Roberto ArguelloClay | 163 | Jose Lopez-MaesoClay | 6-0 6-4 | 3 | - | - | - | - | - | - | - |
| QF | 192 | Franco DavinClay | 137 | Alejandro GanzabalClay | 6-3 7-5 | 3 | - | - | - | - | - | - | - |
| QF | 123 | Guillermo Perez-RoldanClay | 148 | Carl-Uwe SteebClay | 6-3 6-1 | 3 | - | - | - | - | - | - | - |
| SF | 126 | Jay BergerClay | 123 | Guillermo Perez-RoldanClay | 6-2 4-6 6-4 | 3 | - | - | - | - | - | - | - |
| SF | 192 | Franco DavinClay | 286 | Roberto ArguelloClay | 6-2 6-0 | 3 | - | - | - | - | - | - | - |
| F | 126 | Jay BergerClay | 192 | Franco DavinClay | 6-3 6-3 | 3 | - | - | - | - | - | - | - |