San Luis Potosi CH 1990 ATP
Final
| Winner | Loser | Score | |
|---|---|---|---|
| Ricki Osterthun | d. | Malivai Washington | 6-4 6-4 |
Semifinals
| Winner | Loser | Score | |
|---|---|---|---|
| Ricki Osterthun | d. | Leonardo Lavalle | 6-2 7-6 |
| Malivai Washington | d. | Philip Johnson | 2-6 7-5 6-3 |
Quarterfinals
| Winner | Loser | Score | |
|---|---|---|---|
| Leonardo Lavalle | d. | Christian Bergstrom | W/O |
| Ricki Osterthun | d. | Hendrik Jan Davids | 6-4 6-7 6-4 |
| Malivai Washington | d. | Scott Warner | 6-3 6-1 |
| Philip Johnson | d. | Carl Limberger | 6-3 6-4 |
Round of 16
| Winner | Loser | Score | |
|---|---|---|---|
| Christian Bergstrom | d. | Luis Herrera | 6-4 6-1 |
| Leonardo Lavalle | d. | Ville Jansson | 6-3 6-2 |
| Hendrik Jan Davids | d. | Broderick Dyke | 6-2 6-4 |
| Ricki Osterthun | d. | Agustin Moreno | 7-6 6-4 |
| Scott Warner | d. | Gilbert Schaller | 6-4 4-6 6-3 |
| Malivai Washington | d. | Alejandro Aramburu | 6-4 6-4 |
| Carl Limberger | d. | Roberto Lopez | 6-4 4-6 6-2 |
| Philip Johnson | d. | Oliver Fernandez | 6-3 3-6 6-2 |
Round of 32
| Winner | Loser | Score | |
|---|---|---|---|
| Christian Bergstrom | d. | Stefan Dallwitz | 6-3 3-6 6-4 |
| Luis Herrera | d. | Francisco Maciel | 6-3 6-3 |
| Ville Jansson | d. | Juan Pino | 7-6 7-6 |
| Leonardo Lavalle | d. | Pablo Arraya | 4-6 7-6 6-3 |
| Broderick Dyke | d. | Buff Farrow | 7-5 6-4 |
| Hendrik Jan Davids | d. | Pablo Albano | 6-2 7-5 |
| Ricki Osterthun | d. | Steve Devries | 6-4 6-3 |
| Agustin Moreno | d. | Peter Doohan | 7-6 6-7 6-1 |
| Scott Warner | d. | Andres Vysand | 7-6 7-6 |
| Gilbert Schaller | d. | Pedro Alatorre | 6-3 6-2 |
| Alejandro Aramburu | d. | Jorge Lozano | 7-6 7-5 |
| Malivai Washington | d. | Hans Schwaier | 4-6 6-3 6-2 |
| Carl Limberger | d. | Peter Ballauff | 6-4 6-4 |
| Roberto Lopez | d. | Marcos Aurelio Gorriz | 7-6 7-5 |
| Oliver Fernandez | d. | Juan Carlos Baguena | 7-6 6-7 6-3 |
| Philip Johnson | d. | Mario Tabares | 6-1 1-6 6-3 |