Rio Open 1989
Luiz Mattar won the title, beating Martin Jaite 6–4 5–7 6–4 in the final.
Latest results
- Semifinal: Luiz Mattar def. Cassio Motta 6–4 6–3
- Semifinal: Martin Jaite def. Todd Witsken 4–6 6–4 6–4
- Quarterfinal: Luiz Mattar def. Thomas Hogstedt 6–4 6–4
- Quarterfinal: Cassio Motta def. Eduardo Bengoechea 5–7 6–4 6–4
Ranking points by round
| Champion | 500 |
| Runner-up | 330 |
| Semifinal | 200 |
| Quarterfinal | 100 |
| Round of 16 | 50 |
| Round of 32 | 0 |
| Qualifier bonus | 25 |
Matches by round
31 finishedFinal
1 finishedFin
Semifinals
2 finishedFin
Fin
Quarterfinals
4 finishedFin
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Round of 16
8 finishedFin
Fin
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Fin
Fin
Fin
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Round of 32
16 finishedFin
Fin
Fin
Fin
Fin
Fin
Fin
Fin
Fin
Fin
Fin
Fin
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Fin