Vina Del Mar CH 1991 ATP
Final
| Winner | Loser | Score | |
|---|---|---|---|
| Gustavo Giussani | d. | Gabriel Markus | 4-6 6-2 6-0 |
Semifinals
| Winner | Loser | Score | |
|---|---|---|---|
| Gustavo Giussani | d. | Luis Lobo | 7-5 6-2 |
| Gabriel Markus | d. | Felipe Rivera | 6-1 6-3 |
Quarterfinals
| Winner | Loser | Score | |
|---|---|---|---|
| Luis Lobo | d. | Pedro Rebolledo | 6-3 6-3 |
| Gustavo Giussani | d. | Jose Daher | 7-6 7-6 |
| Felipe Rivera | d. | Gustavo Garetto | 7-6 6-4 |
| Gabriel Markus | d. | Chris Garner | 6-2 3-6 7-5 |
Round of 16
| Winner | Loser | Score | |
|---|---|---|---|
| Pedro Rebolledo | d. | Gerardo Vacarezza | 6-4 4-6 6-4 |
| Luis Lobo | d. | Marcelo Ingaramo | 6-2 6-3 |
| Gustavo Giussani | d. | Jose Antonio Fernandez | 6-2 3-6 6-1 |
| Jose Daher | d. | Juan Pino | 6-7 6-2 6-0 |
| Gustavo Garetto | d. | Francisco Yunis | 3-6 7-6 6-1 |
| Felipe Rivera | d. | Ruben Gajardo | 6-2 6-4 |
| Gabriel Markus | d. | Nicolas Pereira | 7-5 2-6 6-1 |
| Chris Garner | d. | Alexandre Hocevar | 6-3 6-0 |
Round of 32
| Winner | Loser | Score | |
|---|---|---|---|
| Pedro Rebolledo | d. | Roberto Arguello | 6-1 6-3 |
| Gerardo Vacarezza | d. | Alvaro Jordan | 6-2 6-2 |
| Marcelo Ingaramo | d. | Nelson Aerts | 5-7 6-3 6-4 |
| Luis Lobo | d. | Maurice Ruah | 6-2 6-2 |
| Jose Antonio Fernandez | d. | Lawson Duncan | 6-7 7-6 1-1 RET |
| Gustavo Giussani | d. | Brian Devening | 6-2 2-6 6-3 |
| Juan Pino | d. | Javier Jadue | 6-0 6-2 |
| Jose Daher | d. | Agustin Moreno | 6-4 6-1 |
| Francisco Yunis | d. | Mario Tabares | 6-4 3-6 6-3 |
| Gustavo Garetto | d. | Joao Zwetsch | 6-1 4-6 6-0 |
| Ruben Gajardo | d. | Gilbert Schaller | 6-1 7-6 |
| Felipe Rivera | d. | Pablo Arraya | 2-6 7-6 6-3 |
| Gabriel Markus | d. | Juan Pablo Queirolo | 7-5 6-2 |
| Nicolas Pereira | d. | Hernan Chousa | 6-4 6-0 |
| Alexandre Hocevar | d. | Cristian Araya | 6-1 6-1 |
| Chris Garner | d. | Cesar Kist | 6-1 6-4 |