Buenos Aires 1981 ATP
Final
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Ivan Lendl | m. | Guillermo Vilas | 6-1 6-2 |
Semifinal
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Ivan Lendl | m. | Pedro Rebolledo | 6-4 6-4 |
| Guillermo Vilas | m. | Andreas Maurer | 6-2 6-2 |
Perempat final
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Ivan Lendl | m. | Diego Perez | 6-1 6-0 |
| Pedro Rebolledo | m. | Andres Gomez | 7-5 6-1 |
| Andreas Maurer | m. | Juan Aguilera | 5-7 7-5 7-5 |
| Guillermo Vilas | m. | Rolf Gehring | 7-5 6-0 |
Babak 16 besar
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Ivan Lendl | m. | Manuel Orantes | 6-4 6-0 |
| Diego Perez | m. | Jose Luis Damiani | 2-6 6-2 6-4 |
| Pedro Rebolledo | m. | Ricardo Ycaza | 6-1 6-1 |
| Andres Gomez | m. | Jose Lopez Maeso | 7-5 6-2 |
| Andreas Maurer | m. | Jose Higueras | 6-3 6-1 |
| Juan Aguilera | m. | Hans Gildemeister | 2-6 6-0 7-5 |
| Rolf Gehring | m. | Jaime Fillol | 7-6 7-6 |
| Guillermo Vilas | m. | Roberto Arguello | 6-4 7-5 |
Babak 32 besar
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Ivan Lendl | m. | Angel Gimenez | 6-3 6-4 |
| Manuel Orantes | m. | Marcos Hocevar | 6-2 6-3 |
| Diego Perez | m. | Hugo Roverano | 6-3 6-3 |
| Jose Luis Damiani | m. | Pablo Arraya | 6-2 7-5 |
| Pedro Rebolledo | m. | Victor Pecci | 5-7 6-3 6-1 |
| Ricardo Ycaza | m. | Eduardo Bengoechea | 6-4 6-4 |
| Jose Lopez Maeso | m. | Guillermo Aubone | 6-4 7-5 |
| Andres Gomez | m. | Belus Prajoux | 6-1 6-2 |
| Jose Higueras | m. | Gabriel Urpi | 6-2 3-6 6-4 |
| Andreas Maurer | m. | Klaus Eberhard | 1-6 6-1 7-5 |
| Juan Aguilera | m. | Joao Soares | 6-1 6-2 |
| Hans Gildemeister | m. | Fernando Luna | 6-4 6-7 6-0 |
| Rolf Gehring | m. | Bernard Boileau | 1-6 6-3 6-4 |
| Jaime Fillol | m. | Francisco Gonzalez | 6-2 6-3 |
| Roberto Arguello | m. | Gustavo Tiberti | 6-2 6-3 |
| Guillermo Vilas | m. | Ricardo Cano | 6-4 7-6 |