Guaruja 1990 ATP
Final
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Robbie Weiss | m. | Jaime Yzaga | 3-6 7-6 6-3 |
Semifinal
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Robbie Weiss | m. | Jacco Eltingh | 7-6 4-6 7-6 |
| Jaime Yzaga | m. | Danilo Marcelino | 6-4 3-6 7-6 |
Perempat final
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Robbie Weiss | m. | Miguel Nido | 6-4 6-3 |
| Jacco Eltingh | m. | Joao Cunha Silva | 7-5 7-6 |
| Jaime Yzaga | m. | Chris Garner | 7-5 7-5 |
| Danilo Marcelino | m. | Luiz Mattar | 6-7 6-2 7-6 |
Babak 16 besar
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Miguel Nido | m. | Jonathan Canter | 7-6 0-6 7-6 |
| Robbie Weiss | m. | Eduardo Bengoechea | 6-4 6-4 |
| Jacco Eltingh | m. | Mark Koevermans | 6-7 7-5 7-5 |
| Joao Cunha Silva | m. | Pedro Rebolledo | 6-4 6-2 |
| Chris Garner | m. | Cassio Motta | 7-5 7-6 |
| Jaime Yzaga | m. | Marcelo Saliola | 6-2 7-5 |
| Danilo Marcelino | m. | Javier Frana | 7-6 6-4 |
| Luiz Mattar | m. | Bruno Oresar | 7-5 2-6 6-4 |
Babak 32 besar
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Jonathan Canter | m. | Franco Davin | 6-2 3-6 6-1 |
| Miguel Nido | m. | German Lopez | 6-3 6-7 6-1 |
| Eduardo Bengoechea | m. | Martin Wostenholme | 6-0 6-1 |
| Robbie Weiss | m. | Xavier Daufresne | 6-0 4-6 6-4 |
| Mark Koevermans | m. | Jaime Oncins | 6-4 7-5 |
| Jacco Eltingh | m. | Bart Wuyts | 6-3 6-3 |
| Pedro Rebolledo | m. | Andrew Sznajder | 6-1 6-2 |
| Joao Cunha Silva | m. | Roberto Azar | 6-3 7-6 |
| Cassio Motta | m. | Fernando Roese | 6-3 3-6 6-2 |
| Chris Garner | m. | Mikael Pernfors | 6-3 6-0 |
| Marcelo Saliola | m. | Paul Vojtischek | 4-6 6-1 6-2 |
| Jaime Yzaga | m. | Marcos Aurelio Gorriz | 6-2 6-2 |
| Javier Frana | m. | Nuno Marques | 7-6 6-3 |
| Danilo Marcelino | m. | Tim Wilkison | 6-3 6-4 |
| Bruno Oresar | m. | Stefano Pescosolido | 6-4 6-2 |
| Luiz Mattar | m. | Pablo Arraya | 6-3 6-2 |
Data: Jeff Sackmann / Tennis Abstract — CC BY-NC-SA 4.0