Porto2 CH 1981 ATP
Final
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Carlos Kirmayr | m. | Julio Goes | 7-6 6-3 |
Semifinal
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Julio Goes | m. | Gustavo Tiberti | 6-4 5-7 6-4 |
| Carlos Kirmayr | m. | Roberto Arguello | 6-0 6-2 |
Perempat final
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Julio Goes | m. | Ney Keller | 7-5 6-3 |
| Gustavo Tiberti | m. | Bruce Kleege | 6-1 6-3 |
| Roberto Arguello | m. | Givaldo Barbosa | 6-4 6-2 |
| Carlos Kirmayr | m. | Guillermo Aubone | 6-4 6-4 |
Babak 16 besar
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Givaldo Barbosa | m. | Thomas Stalhandske | 3-6 7-6 6-2 |
| Ney Keller | m. | Fabrizio Fanucci | 7-6 6-2 |
| Julio Goes | m. | Alejandro Gattiker | 6-1 6-3 |
| Gustavo Tiberti | m. | Javier Restrepo | 6-3 6-3 |
| Guillermo Aubone | m. | Andres Molina | 6-4 4-6 6-2 |
| Roberto Arguello | m. | Paulo Wildmann | 6-1 6-0 |
| Bruce Kleege | m. | Joao Soares | 7-6 6-2 |
| Carlos Kirmayr | m. | Carlos Lando | 6-4 6-0 |
Babak 32 besar
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Paulo Wildmann | m. | Cesar Kist | 6-4 3-6 7-6 |
| Thomas Stalhandske | m. | Nial Brash | 6-3 2-6 6-4 |
| Andres Molina | m. | Hugo Scott | 6-3 6-4 |
| Ney Keller | m. | Mark Buckley | 6-0 6-1 |
| Bruce Kleege | m. | Hugo Roverano | 2-6 7-5 6-2 |
| Alejandro Gattiker | m. | Raul Antonio Viver | 6-3 6-1 |
| Javier Restrepo | m. | Guillermo Corti | 7-5 6-4 |
| Carlos Lando | m. | Roberto Lombardi | 6-3 6-3 |
| Fabrizio Fanucci | m. | Carlos Gattiker | 2-6 6-4 6-2 |
| Givaldo Barbosa | m. | Cassio Motta | 7-5 6-3 |
| Gustavo Tiberti | m. | Eduardo Oncins | 7-5 6-0 |
| Guillermo Aubone | m. | Alejandro Cerundolo | 6-3 7-5 |
| Roberto Arguello | m. | Nigel Sears | 6-2 6-3 |
| Julio Goes | m. | Gustavo Guerrero | 5-7 6-4 6-3 |
| Joao Soares | m. | Ivan Camus | 6-4 5-7 6-2 |
| Carlos Kirmayr | m. | Jose Schmidt | 7-5 6-3 |
Babak 64 besar
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Hugo Scott | m. | Paschoal Penetta | 6-0 6-2 |
| Cesar Kist | m. | Fernando Roese | 6-4 6-2 |
| Julio Goes | m. | Ivan Kley | 6-2 6-4 |
| Guillermo Corti | m. | Enio Moreira | 6-2 6-2 |
| Ivan Camus | m. | Flavio Arenzon | 3-6 6-1 6-4 |
| Givaldo Barbosa | m. | Renato Figueiredo | 6-0 6-1 |
| Ney Keller | m. | Juan Carlos Yunis | 6-1 6-1 |
| Bruce Kleege | m. | Philippe Pinet | 6-4 6-2 |
| Thomas Stalhandske | m. | Pablo Arraya | 6-3 6-1 |
| Alejandro Gattiker | m. | Roger Guedes | 6-4 7-6 |
| Carlos Lando | m. | Carlos Chabalgoity | 6-1 6-1 |
| Carlos Gattiker | m. | Jeremy Bates | 6-3 6-3 |
| Gustavo Tiberti | m. | Edvaldo Oliveira | 6-4 6-3 |
| Guillermo Aubone | m. | Ricardo Rivera | 4-6 7-5 6-2 |
| Roberto Arguello | m. | Eleuterio Martins | 6-3 6-1 |
| Carlos Kirmayr | m. | Maurice Hunter | 6-3 6-1 |
Data: Jeff Sackmann / Tennis Abstract — CC BY-NC-SA 4.0