| R64 | 127 | Birger AnderssonClay | 107 | Martin RobinsonClay | 6-4 6-3 | 3 | - | - | - | - | - | - | - |
| R64 | 47 | Paolo BertolucciClay | 75 | Jairo Velasco SrClay | 6-4 2-6 6-3 | 3 | - | - | - | - | - | - | - |
| R64 | 102 | Byron BertramClay | 117 | Tenny SvenssonClay | 6-7 6-4 6-0 | 3 | - | - | - | - | - | - | - |
| R64 | 43 | Ricardo CanoClay | 345 | Dale PowerClay | 6-3 6-0 | 3 | - | - | - | - | - | - | - |
| R64 | 131 | Patricio CornejoClay | 98 | Antonio ZugarelliClay | 6-4 6-3 | 3 | - | - | - | - | - | - | - |
| R64 | 81 | Colin DowdeswellClay | 103 | Belus PrajouxClay | 6-3 3-6 12-10 | 3 | - | - | - | - | - | - | - |
| R64 | 87 | Harald ElschenbroichClay | 79 | Hans KaryClay | 7-6 6-0 | 3 | - | - | - | - | - | - | - |
| R64 | 121 | Kjell JohanssonClay | 143 | Denis NaegelenClay | 6-4 4-6 6-3 | 3 | - | - | - | - | - | - | - |
| R64 | 46 | Ivan MolinaClay | 345 | Gianni OcleppoClay | 6-3 6-4 | 3 | - | - | - | - | - | - | - |
| R64 | 110 | Antonio MunozClay | 98 | Carlos KirmayrClay | 6-3 4-6 6-3 | 3 | - | - | - | - | - | - | - |
| R64 | 136 | Juan Ignacio MuntanolaClay | 235 | Jose GuerreroClay | 6-3 6-2 | 3 | - | - | - | - | - | - | - |
| R64 | 152 | Rolf NorbergClay | 44 | Jose HiguerasClay | 6-3 6-1 | 3 | - | - | - | - | - | - | - |
| R64 | 5 | Manuel OrantesClay | 88 | Sashi MenonClay | 6-4 4-6 6-3 | 3 | - | - | - | - | - | - | - |
| R64 | 298 | Ionel SanteiuClay | 125 | Rolf ThungClay | 6-3 6-2 | 3 | - | - | - | - | - | - | - |
| R64 | 152 | Peter SzokeClay | 94 | Nicola SpearClay | 7-6 4-6 6-4 | 3 | - | - | - | - | - | - | - |
| R64 | 54 | Balazs TaroczyClay | 98 | Jean-Francois CaujolleClay | 7-6 7-6 | 3 | - | - | - | - | - | - | - |
| R32 | 34 | Corrado BarazzuttiClay | 54 | Balazs TaroczyClay | 6-3 4-6 6-1 | 3 | - | - | - | - | - | - | - |
| R32 | 131 | Patricio CornejoClay | 252 | Juan HerreraClay | 6-2 6-3 | 3 | - | - | - | - | - | - | - |
| R32 | 133 | Eric DeblickerClay | 113 | Elio Lito AlvarezClay | 6-2 3-6 6-1 | 3 | - | - | - | - | - | - | - |
| R32 | 54 | Mark EdmondsonClay | 94 | Norman HolmesClay | 3-6 6-3 6-4 | 3 | - | - | - | - | - | - | - |
| R32 | 87 | Harald ElschenbroichClay | 136 | Juan Ignacio MuntanolaClay | 6-4 6-2 | 3 | - | - | - | - | - | - | - |
| R32 | 132 | John FeaverClay | 152 | Rolf NorbergClay | 6-2 6-3 | 3 | - | - | - | - | - | - | - |
| R32 | 177 | Angel GimenezClay | 224 | Jose CastanonClay | 6-4 6-0 | 3 | - | - | - | - | - | - | - |
| R32 | 38 | Juan Gisbert SrClay | 81 | Colin DowdeswellClay | 6-2 3-6 6-3 | 3 | - | - | - | - | - | - | - |
| R32 | 42 | Francois JauffretClay | 47 | Paolo BertolucciClay | 6-3 2-6 7-5 | 3 | - | - | - | - | - | - | - |
| R32 | 121 | Kjell JohanssonClay | 94 | Jose Edison MandarinoClay | 6-0 6-3 | 3 | - | - | - | - | - | - | - |
| R32 | 46 | Ivan MolinaClay | 127 | Birger AnderssonClay | 6-4 6-3 | 3 | - | - | - | - | - | - | - |
| R32 | 110 | Antonio MunozClay | 43 | Ricardo CanoClay | 3-6 6-3 6-3 | 3 | - | - | - | - | - | - | - |
| R32 | 5 | Manuel OrantesClay | 91 | Gerald BattrickClay | 6-0 6-3 | 3 | - | - | - | - | - | - | - |
| R32 | 122 | Barry Phillips-MooreClay | 298 | Ionel SanteiuClay | 6-1 6-4 | 3 | - | - | - | - | - | - | - |
| R32 | 152 | Peter SzokeClay | 102 | Byron BertramClay | 6-2 5-7 6-1 | 3 | - | - | - | - | - | - | - |
| R32 | 63 | Roger TaylorClay | 235 | Jean-Louis HailletClay | 7-6 6-1 | 3 | - | - | - | - | - | - | - |
| R16 | 34 | Corrado BarazzuttiClay | 131 | Patricio CornejoClay | 7-5 6-3 | 3 | - | - | - | - | - | - | - |
| R16 | 177 | Angel GimenezClay | 132 | John FeaverClay | 7-6 4-6 6-3 | 3 | - | - | - | - | - | - | - |
| R16 | 38 | Juan Gisbert SrClay | 87 | Harald ElschenbroichClay | 6-7 6-1 6-1 | 3 | - | - | - | - | - | - | - |
| R16 | 42 | Francois JauffretClay | 133 | Eric DeblickerClay | 7-6 6-4 | 3 | - | - | - | - | - | - | - |
| R16 | 121 | Kjell JohanssonClay | 63 | Roger TaylorClay | 6-1 7-5 | 3 | - | - | - | - | - | - | - |
| R16 | 110 | Antonio MunozClay | 54 | Mark EdmondsonClay | 6-1 6-2 | 3 | - | - | - | - | - | - | - |
| R16 | 5 | Manuel OrantesClay | 152 | Peter SzokeClay | 6-1 6-2 | 3 | - | - | - | - | - | - | - |
| R16 | 122 | Barry Phillips-MooreClay | 46 | Ivan MolinaClay | 6-3 6-4 | 3 | - | - | - | - | - | - | - |
| QF | 42 | Francois JauffretClay | 177 | Angel GimenezClay | 7-5 2-6 6-4 | 3 | - | - | - | - | - | - | - |
| QF | 121 | Kjell JohanssonClay | 34 | Corrado BarazzuttiClay | 6-4 7-6 | 3 | - | - | - | - | - | - | - |
| QF | 110 | Antonio MunozClay | 38 | Juan Gisbert SrClay | 7-6 6-7 6-0 | 3 | - | - | - | - | - | - | - |
| QF | 5 | Manuel OrantesClay | 122 | Barry Phillips-MooreClay | 6-2 6-1 | 3 | - | - | - | - | - | - | - |
| SF | 121 | Kjell JohanssonClay | 42 | Francois JauffretClay | 6-3 4-6 6-4 | 3 | - | - | - | - | - | - | - |
| SF | 5 | Manuel OrantesClay | 110 | Antonio MunozClay | 6-4 3-6 6-0 | 3 | - | - | - | - | - | - | - |
| F | 5 | Manuel OrantesClay | 121 | Kjell JohanssonClay | 6-2 6-2 6-2 | 5 | - | - | - | - | - | - | - |