Sofia CH 1991 ATP
Final
| Winner | Loser | Score | |
|---|---|---|---|
| Jaime Oncins | d. | Fernando Roese | 6-4 6-4 |
Semifinals
| Winner | Loser | Score | |
|---|---|---|---|
| Fernando Roese | d. | Francisco Montana | 2-6 6-4 7-5 |
| Jaime Oncins | d. | Martin Stringari | 6-3 6-3 |
Quarterfinals
| Winner | Loser | Score | |
|---|---|---|---|
| Francisco Montana | d. | Luiz Mattar | 6-2 5-7 6-3 |
| Fernando Roese | d. | Fabio Silberberg | 7-6 6-3 |
| Jaime Oncins | d. | Roberto Saad | 6-4 7-6 |
| Martin Stringari | d. | Thierry Guardiola | 6-3 6-2 |
Round of 16
| Winner | Loser | Score | |
|---|---|---|---|
| Luiz Mattar | d. | Otavio Della | 6-2 6-4 |
| Francisco Montana | d. | Felipe Rivera | 7-6 6-2 |
| Fabio Silberberg | d. | Sergio Sarli | 7-6 6-3 |
| Fernando Roese | d. | Fernando Meligeni | 6-4 6-3 |
| Roberto Saad | d. | Cassio Motta | 6-1 6-3 |
| Jaime Oncins | d. | Marcelo Ingaramo | 0-6 6-2 6-1 |
| Martin Stringari | d. | Andres Vysand | 6-2 6-3 |
| Thierry Guardiola | d. | Marcelo Saliola | 7-6 0-6 6-1 |
Round of 32
| Winner | Loser | Score | |
|---|---|---|---|
| Luiz Mattar | d. | Jose Daher | 7-6 7-6 |
| Otavio Della | d. | Sebastien Lareau | 6-7 6-3 6-3 |
| Felipe Rivera | d. | Carsten Arriens | 6-3 7-6 |
| Francisco Montana | d. | Joao Zwetsch | 6-2 6-0 |
| Sergio Sarli | d. | Bart Wuyts | 6-3 6-2 |
| Fabio Silberberg | d. | Guillermo Vilas | 6-2 7-5 |
| Fernando Meligeni | d. | Alejandro Aramburu | 6-4 6-2 |
| Fernando Roese | d. | Ricardo Camargo | 5-7 7-6 6-1 |
| Cassio Motta | d. | Pablo Arraya | 6-4 7-6 |
| Roberto Saad | d. | Alexandre Hocevar | 6-3 7-5 |
| Marcelo Ingaramo | d. | Luis Lobo | 7-6 6-4 |
| Jaime Oncins | d. | Pedro Rebolledo | 6-3 3-6 6-4 |
| Martin Stringari | d. | Nicolas Pereira | 5-7 7-5 6-2 |
| Andres Vysand | d. | Pablo Albano | 6-7 6-2 7-6 |
| Marcelo Saliola | d. | Roberto Jabali | 6-3 3-6 6-2 |
| Thierry Guardiola | d. | Marcelo Filippini | 7-5 6-3 |