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