Buzios 1981 ATP
Final
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Julio Goes | m. | Pablo Arraya | 6-3 6-3 |
Semifinal
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Julio Goes | m. | Gustavo Tiberti | 6-4 6-0 |
| Pablo Arraya | m. | Carlos Kirmayr | 2-6 6-2 6-4 |
Perempat final
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Julio Goes | m. | Bruce Kleege | 6-3 7-6 |
| Gustavo Tiberti | m. | Ney Keller | 7-5 7-5 |
| Pablo Arraya | m. | Guillermo Aubone | 7-5 7-6 |
| Carlos Kirmayr | m. | Carlos Gattiker | 6-3 6-2 |
Babak 16 besar
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Julio Goes | m. | Alejandro Cerundolo | W/O |
| Ney Keller | m. | Hugo Scott | 6-2 6-4 |
| Bruce Kleege | m. | Raul Antonio Viver | 6-2 7-6 |
| Carlos Gattiker | m. | Alejandro Gattiker | 3-6 6-4 7-5 |
| Gustavo Tiberti | m. | Ricardo Rivera | 2-6 6-3 6-4 |
| Guillermo Aubone | m. | Maurice Hunter | NA |
| Pablo Arraya | m. | Joao Soares | 6-3 3-6 6-1 |
| Carlos Kirmayr | m. | Jose Marques Neto | 7-6 7-6 |
Babak 32 besar
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Hugo Scott | m. | Ivan Camus | 6-1 6-2 |
| Ricardo Rivera | m. | Jeremy Bates | 5-7 7-5 6-2 |
| Maurice Hunter | m. | Paschoal Penetta | 2-6 6-4 6-2 |
| Alejandro Cerundolo | m. | Luiz Muller | 6-4 6-4 |
| Ney Keller | m. | Hugo Roverano | 6-3 6-1 |
| Bruce Kleege | m. | Roger Guedes | 4-6 6-4 6-3 |
| Pablo Arraya | m. | Fernando Roese | 6-2 6-3 |
| Alejandro Gattiker | m. | Renato Joaquim | 6-2 4-6 6-3 |
| Jose Marques Neto | m. | Javier Restrepo | 1-6 6-1 6-4 |
| Carlos Gattiker | m. | Gustavo Luza | 4-6 6-1 6-4 |
| Julio Goes | m. | Cassio Motta | 6-2 6-1 |
| Gustavo Tiberti | m. | Fabrizio Fanucci | 6-1 7-5 |
| Guillermo Aubone | m. | Cesar Kist | 7-5 6-3 |
| Joao Soares | m. | Celso Sacomandi | 5-7 6-1 6-4 |
| Raul Antonio Viver | m. | Roberto Arguello | 2-6 7-6 6-3 |
| Carlos Kirmayr | m. | Marcio Alegre | 6-1 6-0 |
Babak 64 besar
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Raul Antonio Viver | m. | Givaldo Barbosa | 6-2 6-4 |
| Gustavo Luza | m. | Nial Brash | 6-3 4-6 6-2 |
| Cesar Kist | m. | Carlos Soares | 7-6 7-6 |
| Renato Joaquim | m. | Paulo Wildmann | 7-6 7-5 |
| Roger Guedes | m. | Flavio Arenzon | 6-2 6-2 |
| Alejandro Cerundolo | m. | Renato Figueiredo | 4-6 6-4 6-2 |
| Paschoal Penetta | m. | Andres Molina | 6-2 7-5 |
| Ney Keller | m. | Roberto Lombardi | 6-2 6-1 |
| Pablo Arraya | m. | Ivan Kley | 6-2 3-6 6-2 |
| Javier Restrepo | m. | Thomas Stalhandske | 6-0 6-4 |
| Ricardo Rivera | m. | Carlos Lando | 4-6 6-4 6-3 |
| Cassio Motta | m. | Jose Schmidt | 6-1 3-6 7-5 |
| Gustavo Tiberti | m. | Eleuterio Martins | 6-4 6-4 |
| Joao Soares | m. | Edvaldo Oliveira | 6-2 6-3 |
| Hugo Scott | m. | Gustavo Guerrero | 6-4 7-5 |
| Carlos Kirmayr | m. | Eduardo Oncins | 6-1 6-4 |