ATP 250 · 1990-04-02 · draw of 32
Rio de Janeiro 1990
CarpetFinal
| 🇧🇷 Luiz Mattar | d. | 🇨🇦 Andrew Sznajder | 6-4 6-4 | H2H |
Semifinals
| 🇨🇦 Andrew Sznajder | d. | 🇺🇸 Brian Garrow | 6-4 1-6 6-4 | H2H |
| 🇧🇷 Luiz Mattar | d. | 🇨🇦 Martin Wostenholme | 6-3 6-1 | H2H |
Quarterfinals
| 🇨🇦 Martin Wostenholme | d. | 🇮🇹 Simone Colombo | 6-2 6-2 | H2H |
| 🇺🇸 Brian Garrow | d. | 🇨🇦 Martin Laurendeau | 6-3 6-3 | H2H |
| 🇨🇦 Andrew Sznajder | d. | 🇩🇪 Patrick Baur | 7-5 6-1 | H2H |
| 🇧🇷 Luiz Mattar | d. | 🇩🇪 Paul Vojtischek | 4-6 6-1 6-3 | H2H |
Round of 16
| 🇺🇸 Brian Garrow | d. | 🇨🇦 Chris Pridham | 2-6 7-5 6-1 | H2H |
| 🇩🇪 Patrick Baur | d. | 🇮🇹 Gianluca Pozzi | 6-2 2-6 6-3 | H2H |
| 🇩🇪 Paul Vojtischek | d. | 🇺🇸 Brad Pearce | 6-3 5-7 6-1 | H2H |
| 🇨🇦 Martin Wostenholme | d. | 🇬🇧 Nick Brown | 7-6 6-2 | H2H |
| 🇨🇦 Martin Laurendeau | d. | 🇲🇽 Leonardo Lavalle | 6-1 3-6 6-2 | H2H |
| 🇮🇹 Simone Colombo | d. | 🇧🇷 Cassio Motta | 7-6 6-3 | H2H |
| 🇨🇦 Andrew Sznajder | d. | 🇧🇷 Fernando Roese | 6-3 6-3 | H2H |
| 🇧🇷 Luiz Mattar | d. | 🇦🇷 Roberto Arguello | 6-3 6-3 | H2H |
Round of 32
| 🇩🇪 Paul Vojtischek | d. | Nduka Odizor | 6-3 6-7 7-5 | H2H |
| 🇧🇷 Fernando Roese | d. | 🇩🇪 Peter Ballauff | 6-2 6-1 | H2H |
| 🇨🇦 Chris Pridham | d. | 🇧🇷 Danilo Marcelino | 6-3 6-1 | H2H |
| 🇮🇹 Gianluca Pozzi | d. | 🇧🇷 Jose Daher | 6-2 7-6 | H2H |
| 🇲🇽 Leonardo Lavalle | d. | 🇦🇷 Gabriel Markus | 6-4 6-7 7-6 | H2H |
| 🇮🇹 Simone Colombo | d. | 🇦🇷 Marcelo Ingaramo | 6-4 7-5 | H2H |
| 🇬🇧 Nick Brown | d. | 🇧🇷 Alexandre Hocevar | 6-1 5-7 6-4 | H2H |
| 🇦🇷 Roberto Arguello | d. | 🇦🇷 Pablo Albano | 6-3 6-0 | H2H |
| 🇩🇪 Patrick Baur | d. | 🇦🇷 Horacio de la Pena | 6-3 6-3 | H2H |
| 🇺🇸 Brad Pearce | d. | 🇫🇷 Olivier Delaitre | 6-4 6-4 | H2H |
| 🇨🇦 Martin Wostenholme | d. | 🇩🇪 Ricki Osterthun | 3-6 7-5 6-4 | H2H |
| 🇨🇦 Martin Laurendeau | d. | 🇺🇸 Bryan Shelton | 6-2 3-6 7-5 | H2H |
| 🇺🇸 Brian Garrow | d. | 🇦🇷 Eduardo Bengoechea | 6-0 4-6 6-3 | H2H |
| 🇧🇷 Cassio Motta | d. | 🇺🇸 Dan Cassidy | 6-4 6-1 | H2H |
| 🇨🇦 Andrew Sznajder | d. | 🇦🇷 Javier Frana | 6-3 6-1 | H2H |
| 🇧🇷 Luiz Mattar | d. | 🇧🇷 Jaime Oncins | 1-6 7-5 6-1 | H2H |