Sao Paulo6 CH 1991 ATP
Final
| Winner | Loser | Score | |
|---|---|---|---|
| Raul Antonio Viver | d. | Gabriel Markus | 7-6 3-6 6-3 |
Semifinals
| Winner | Loser | Score | |
|---|---|---|---|
| Gabriel Markus | d. | Cassio Motta | 6-1 4-6 7-6 |
| Raul Antonio Viver | d. | Roberto Azar | 6-7 6-2 4-0 RET |
Quarterfinals
| Winner | Loser | Score | |
|---|---|---|---|
| Gabriel Markus | d. | Nicolas Becerra | 6-4 6-3 |
| Cassio Motta | d. | Joao Cunha Silva | 7-5 3-6 6-1 |
| Raul Antonio Viver | d. | Martin Stringari | 4-6 6-2 6-3 |
| Roberto Azar | d. | Fernando Meligeni | 6-2 6-3 |
Round of 16
| Winner | Loser | Score | |
|---|---|---|---|
| Gabriel Markus | d. | Oliver Fernandez | 6-4 6-4 |
| Nicolas Becerra | d. | Juan Carlos Baguena | 4-6 6-4 6-4 |
| Joao Cunha Silva | d. | Eduardo Masso | 2-6 7-6 2-0 RET |
| Cassio Motta | d. | Roberto Jabali | 6-4 6-2 |
| Martin Stringari | d. | Danilo Marcelino | 6-1 4-6 6-1 |
| Raul Antonio Viver | d. | Guillermo Vilas | 6-4 3-6 6-1 |
| Fernando Meligeni | d. | Otavio Della | 6-0 6-4 |
| Roberto Azar | d. | Leonardo Lavalle | 5-7 7-6 6-3 |
Round of 32
| Winner | Loser | Score | |
|---|---|---|---|
| Gabriel Markus | d. | Marcelo Ingaramo | 6-3 7-6 |
| Oliver Fernandez | d. | Felipe Rivera | 6-3 6-2 |
| Nicolas Becerra | d. | Rolf Seitz | 6-1 6-0 |
| Juan Carlos Baguena | d. | Luis Lobo | 6-2 6-2 |
| Eduardo Masso | d. | Jose Daher | 6-2 1-0 RET |
| Joao Cunha Silva | d. | John Stimpson | 6-3 4-6 7-6 |
| Cassio Motta | d. | Diego Varela | 6-3 3-6 6-4 |
| Roberto Jabali | d. | Massimo Cierro | 6-3 7-5 |
| Danilo Marcelino | d. | Diego Perez | 6-2 6-2 |
| Martin Stringari | d. | Pablo Albano | 7-6 6-7 6-1 |
| Guillermo Vilas | d. | Nicola Bruno | 6-1 6-0 |
| Raul Antonio Viver | d. | Francisco Montana | 7-5 6-4 |
| Otavio Della | d. | Vaclav Roubicek | 6-3 6-2 |
| Fernando Meligeni | d. | Joao Zwetsch | 6-3 6-0 |
| Leonardo Lavalle | d. | Daniel Orsanic | 5-7 6-4 6-2 |
| Roberto Azar | d. | Fabio Silberberg | 6-2 6-2 |