Brasilia CH 1981 ATP
Final
| Winner | Loser | Score | |
|---|---|---|---|
| Pablo Arraya | d. | Thomaz Koch | 6-3 3-6 6-4 |
Semifinals
| Winner | Loser | Score | |
|---|---|---|---|
| Pablo Arraya | d. | Ricardo Rivera | 7-6 6-1 |
| Thomaz Koch | d. | Alejandro Gattiker | 6-1 2-6 6-0 |
Quarterfinals
| Winner | Loser | Score | |
|---|---|---|---|
| Ricardo Rivera | d. | Bruce Kleege | 7-6 6-2 |
| Alejandro Gattiker | d. | Joao Soares | 6-4 7-5 |
| Thomaz Koch | d. | Thomas Stalhandske | 6-4 6-4 |
| Pablo Arraya | d. | Marcos Hocevar | 6-7 6-3 6-2 |
Round of 16
| Winner | Loser | Score | |
|---|---|---|---|
| Thomas Stalhandske | d. | Givaldo Barbosa | 6-3 6-4 |
| Alejandro Gattiker | d. | Jose Schmidt | 6-2 4-6 6-3 |
| Pablo Arraya | d. | Cassio Motta | 6-4 6-2 |
| Bruce Kleege | d. | Roberto Arguello | 1-6 7-6 6-4 |
| Ricardo Rivera | d. | Gustavo Guerrero | 6-3 6-3 |
| Joao Soares | d. | Ney Keller | 7-5 6-4 |
| Thomaz Koch | d. | Andres Molina | 3-6 6-4 6-3 |
| Marcos Hocevar | d. | Paschoal Penetta | 7-6 6-2 |
Round of 32
| Winner | Loser | Score | |
|---|---|---|---|
| Jose Schmidt | d. | Julio Goes | 2-6 7-5 7-6 |
| Ricardo Rivera | d. | Juan Carlos Yunis | 6-2 4-6 6-1 |
| Andres Molina | d. | Horacio Marin | 6-1 7-5 |
| Ney Keller | d. | Nigel Sears | 6-1 2-0 RET |
| Bruce Kleege | d. | Celso Sacomandi | 6-4 6-3 |
| Alejandro Gattiker | d. | Alejandro Cerundolo | 6-3 6-4 |
| Pablo Arraya | d. | Ivan Camus | 7-6 6-2 |
| Thomas Stalhandske | d. | Javier Restrepo | 6-1 6-1 |
| Paschoal Penetta | d. | Carlos Lando | 6-2 4-6 6-0 |
| Givaldo Barbosa | d. | Carlos Gattiker | 6-3 7-5 |
| Cassio Motta | d. | Eduardo Oncins | 6-1 6-2 |
| Roberto Arguello | d. | Eleuterio Martins | 7-6 6-0 |
| Gustavo Guerrero | d. | Hugo Scott | 7-6 6-4 |
| Joao Soares | d. | Raul Antonio Viver | 3-6 7-6 6-4 |
| Thomaz Koch | d. | Edvaldo Oliveira | 6-2 6-4 |
| Marcos Hocevar | d. | Nial Brash | 6-1 6-2 |
Round of 64
| Winner | Loser | Score | |
|---|---|---|---|
| Raul Antonio Viver | d. | Roberto Lombardi | 6-2 6-3 |
| Thomas Stalhandske | d. | Cesar Santo | 7-5 6-3 |
| Nigel Sears | d. | Aylton Borges | 6-2 6-3 |
| Hugo Scott | d. | Mark Buckley | 6-3 6-1 |
| Celso Sacomandi | d. | Paulo Wildmann | 6-2 6-2 |
| Alejandro Cerundolo | d. | Flavio Arenzon | 7-6 6-3 |
| Nial Brash | d. | Fernando Roese | 6-4 2-6 6-1 |
| Givaldo Barbosa | d. | Hugo Roverano | 7-6 6-4 |
| Ricardo Rivera | d. | Fabrizio Fanucci | 6-1 6-2 |
| Andres Molina | d. | Ricardo Acioly | 6-2 7-5 |
| Pablo Arraya | d. | Roger Guedes | 6-1 6-3 |
| Carlos Lando | d. | Jeremy Bates | 6-4 6-2 |
| Cassio Motta | d. | Carlos Chabalgoity | 6-3 6-3 |
| Jose Schmidt | d. | Gustavo Tiberti | 6-1 6-3 |
| Roberto Arguello | d. | Maurice Hunter | 6-4 6-4 |
| Thomaz Koch | d. | Ivan Kley | 5-7 6-0 6-3 |