Sao Paulo6 CH 1990 ATP
Final
| Winner | Loser | Score | |
|---|---|---|---|
| Jaime Oncins | d. | Francisco Yunis | 6-3 6-3 |
Semifinals
| Winner | Loser | Score | |
|---|---|---|---|
| Jaime Oncins | d. | Gabriel Markus | 6-1 6-1 |
| Francisco Yunis | d. | Joao Cunha Silva | 6-3 7-6 |
Quarterfinals
| Winner | Loser | Score | |
|---|---|---|---|
| Jaime Oncins | d. | Daniel Orsanic | 6-4 6-4 |
| Gabriel Markus | d. | Javier Frana | 6-4 6-3 |
| Francisco Yunis | d. | Malivai Washington | 6-3 6-4 |
| Joao Cunha Silva | d. | Andrew Sznajder | 6-3 6-4 |
Round of 16
| Winner | Loser | Score | |
|---|---|---|---|
| Daniel Orsanic | d. | Marcelo Filippini | 1-6 6-1 4-1 RET |
| Jaime Oncins | d. | Pablo Albano | 6-1 6-1 |
| Javier Frana | d. | Francisco Montana | 6-2 6-2 |
| Gabriel Markus | d. | Roberto Azar | 7-5 6-1 |
| Francisco Yunis | d. | Cassio Motta | 6-4 6-4 |
| Malivai Washington | d. | Jose Antonio Fernandez | 6-2 6-3 |
| Andrew Sznajder | d. | Martin Wostenholme | 6-3 6-4 |
| Joao Cunha Silva | d. | Jean Philippe Fleurian | W/O |
Round of 32
| Winner | Loser | Score | |
|---|---|---|---|
| Marcelo Filippini | d. | Alexandre Hocevar | 6-1 5-7 6-0 |
| Daniel Orsanic | d. | Martin Laurendeau | 6-3 6-2 |
| Pablo Albano | d. | Scott Patridge | 6-3 6-3 |
| Jaime Oncins | d. | Marcos Aurelio Gorriz | 7-5 6-3 |
| Francisco Montana | d. | Eduardo Furusho | 6-2 6-1 |
| Javier Frana | d. | Jose Daher | 6-1 6-2 |
| Gabriel Markus | d. | Carlos De Oliveira | 6-1 6-1 |
| Roberto Azar | d. | Steve Guy | 6-4 6-4 |
| Cassio Motta | d. | Roberto Jabali | 6-3 6-2 |
| Francisco Yunis | d. | Danilo Marcelino | 6-4 6-4 |
| Jose Antonio Fernandez | d. | Tim Wilkison | 6-4 6-2 |
| Malivai Washington | d. | Nelson Aerts | 7-6 6-1 |
| Andrew Sznajder | d. | Marcelo Ingaramo | 7-5 6-2 |
| Martin Wostenholme | d. | Bruce Derlin | 6-2 7-5 |
| Joao Cunha Silva | d. | Joao Zwetsch | 6-2 6-4 |
| Jean Philippe Fleurian | d. | Roberto Arguello | 6-3 6-3 |