Rio Open 1990
Luiz Mattar won the title, beating Andrew Sznajder 6–4 6–4 in the final.
Latest results
- Semifinal: Luiz Mattar def. Martin Wostenholme 6–3 6–1
- Semifinal: Andrew Sznajder def. Brian Garrow 6–4 1–6 6–4
- Quarterfinal: Luiz Mattar def. Paul Vojtischek 4–6 6–1 6–3
- Quarterfinal: Martin Wostenholme def. Simone Colombo 6–2 6–2
Rio de Janeiro 1990 1990
- Defending champion
- Luiz Mattar
Ranking points by round
| Champion | 500 |
| Runner-up | 330 |
| Semifinal | 200 |
| Quarterfinal | 100 |
| Round of 16 | 50 |
| Round of 32 | 0 |
| Qualifier bonus | 25 |
Recent finals
| Year | Champion | Runner-up |
|---|---|---|
| 1989 | Luiz Mattar | Martin Jaite |
Matches by round
31 finishedFinal
1 finishedFin
Semifinals
2 finishedFin
Fin
Quarterfinals
4 finishedFin
Fin
Fin
Fin
Round of 16
8 finishedFin
Fin
Fin
Fin
Fin
Fin
Fin
Fin
Round of 32
16 finishedFin
Fin
Fin
Fin
Fin
Fin
Fin
Fin
Fin
Fin
Fin
Fin
Fin
Fin
Fin
Fin