1989 Banespa Open – Singles
| Singles | |
|---|---|
| 1989 Banespa Open | |
| Champion | Luiz Mattar |
| Runner-up | Martín Jaite |
| Score | 6–4, 5–7, 6–4 |
| Draw | 32 |
| Seeds | 8 |
Luiz Mattar won in the final 6–4, 5–7, 6–4 against Martín Jaite.
Seeds
A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.
- Luiz Mattar (champion)
- Horacio de la Peña (quarterfinals)
- Martín Jaite (final)
- Eduardo Bengoechea (quarterfinals)
- Cássio Motta (semifinals)
- Javier Frana (first round)
- Todd Witsken (semifinals)
- Tim Wilkison (first round)
Draw
Key
- Q = Qualifier
- WC = Wild card
- LL = Lucky loser
- Alt = Alternate
- ITF = ITF entry
- PR = Protected ranking
- SR = Special ranking
- SE = Special exempt
- JE = Junior exempt
- JR = Junior Accelerator Programme entrant
- CO = College Accelerator Programme entrant
- NG = Next Gen Accelerator Program entrant
- w/o = Walkover
- r = Retired
- d = Defaulted