Curitiba CH 1981 ATP
Final
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Carlos Kirmayr | m. | Alejandro Ganzabal | 6-1 6-1 |
Semifinal
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Alejandro Ganzabal | m. | Javier Restrepo | 7-6 7-6 |
| Carlos Kirmayr | m. | Belus Prajoux | 6-1 6-2 |
Perempat final
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Javier Restrepo | m. | Thomas Stalhandske | 7-6 7-6 |
| Belus Prajoux | m. | Alejandro Cerundolo | 7-6 6-2 |
| Alejandro Ganzabal | m. | Jose Luis Damiani | 6-4 6-4 |
| Carlos Kirmayr | m. | Ivan Kley | 6-0 6-4 |
Babak 16 besar
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Thomas Stalhandske | m. | Pablo Arraya | 7-6 4-6 6-4 |
| Javier Restrepo | m. | Celso Sacomandi | 6-2 6-3 |
| Ivan Kley | m. | Ivan Camus | 6-2 6-3 |
| Alejandro Cerundolo | m. | Eleuterio Martins | 3-6 6-3 6-2 |
| Alejandro Ganzabal | m. | Andres Molina | 3-6 6-4 6-3 |
| Belus Prajoux | m. | Marcelo Grassi | 6-7 6-2 6-3 |
| Jose Luis Damiani | m. | Hugo Roverano | 6-2 2-6 6-4 |
| Carlos Kirmayr | m. | Jorge Lemann | 6-3 6-1 |
Babak 32 besar
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Thomas Stalhandske | m. | Roger Guedes | 6-4 2-6 6-1 |
| Celso Sacomandi | m. | Gabriel Reissig | 6-1 6-0 |
| Hugo Roverano | m. | Edgardo Giussani | 6-1 6-1 |
| Andres Molina | m. | Julio Goes | 6-2 6-2 |
| Eleuterio Martins | m. | Juan Carlos Andrade | 6-2 7-5 |
| Jorge Lemann | m. | Vincente Braga | 6-3 6-3 |
| Marcelo Grassi | m. | Esidio Coradin | 6-1 6-1 |
| Alejandro Cerundolo | m. | Jose Schmidt | 7-5 4-6 6-1 |
| Ivan Camus | m. | Luiz Muller | 6-3 6-2 |
| Ivan Kley | m. | Ney Keller | 6-1 6-4 |
| Alejandro Ganzabal | m. | Marcio Alegre | 6-2 6-1 |
| Javier Restrepo | m. | Cassio Motta | 6-3 1-6 6-3 |
| Belus Prajoux | m. | Paschoal Penetta | 6-2 6-3 |
| Jose Luis Damiani | m. | Noel Freitas | 1-6 6-0 7-5 |
| Pablo Arraya | m. | Thomaz Koch | 6-3 6-4 |
| Carlos Kirmayr | m. | Renato Figueiredo | 6-3 6-3 |
Data: Jeff Sackmann / Tennis Abstract — CC BY-NC-SA 4.0