Brasilia 1990 ATP
Final
| Winner | Loser | Score | |
|---|---|---|---|
| Cassio Motta | d. | Jaime Oncins | 7-6 6-4 |
Semifinals
| Winner | Loser | Score | |
|---|---|---|---|
| Jaime Oncins | d. | Mauro Menezes | 3-6 7-5 6-1 |
| Cassio Motta | d. | Danilo Marcelino | 7-6 7-6 |
Quarterfinals
| Winner | Loser | Score | |
|---|---|---|---|
| Jaime Oncins | d. | Nelson Aerts | 3-6 6-3 6-4 |
| Mauro Menezes | d. | Vicente Solves | 1-6 6-4 7-6 |
| Cassio Motta | d. | Ricardo Acioly | 6-2 6-3 |
| Danilo Marcelino | d. | Fernando Roese | 6-3 7-5 |
Round of 16
| Winner | Loser | Score | |
|---|---|---|---|
| Nelson Aerts | d. | Marcos Hocevar | 6-4 6-2 |
| Jaime Oncins | d. | Gabriel Markus | 6-4 6-4 |
| Mauro Menezes | d. | Joao Cunha Silva | 3-6 6-4 6-3 |
| Vicente Solves | d. | Mauricio Hadad | 3-6 7-5 6-3 |
| Ricardo Acioly | d. | Jose Daher | W/O |
| Cassio Motta | d. | Eduardo Oncins | 6-1 6-2 |
| Fernando Roese | d. | Martin Blackman | 6-3 6-3 |
| Danilo Marcelino | d. | Agustin Moreno | 7-6 6-4 |
Round of 32
| Winner | Loser | Score | |
|---|---|---|---|
| Nelson Aerts | d. | Cesar Kist | 7-5 6-7 6-4 |
| Marcos Hocevar | d. | Roberto Teofilo | 6-2 4-6 6-3 |
| Gabriel Markus | d. | Carlos Zwetsch | 6-3 6-2 |
| Jaime Oncins | d. | Marcelo Saliola | 6-1 6-1 |
| Joao Cunha Silva | d. | Fernando Meligeni | 6-1 6-3 |
| Mauro Menezes | d. | William Kyriakos | 6-4 7-5 |
| Mauricio Hadad | d. | Mario Rincon | 7-6 7-5 |
| Vicente Solves | d. | Pedro Rebolledo | 7-6 6-3 |
| Ricardo Acioly | d. | Robert Pellizzi | 6-0 7-5 |
| Jose Daher | d. | Adriano Ferreira | 6-7 6-4 7-5 |
| Eduardo Oncins | d. | Edvaldo Oliveira | 6-3 6-4 3-0 |
| Cassio Motta | d. | Ricardo Camargo | 6-4 6-1 |
| Martin Blackman | d. | Javier Frana | 7-6 6-3 |
| Fernando Roese | d. | Mario Visconti | 6-4 7-5 |
| Agustin Moreno | d. | Carlos Chabalgoity | 6-3 1-6 6-3 |
| Danilo Marcelino | d. | Andrew Sznajder | 6-3 5-7 6-4 |