| Men's singles | |
|---|---|
| 1989 New South Wales Open | |
| 1988 Champion | |
| Champion | |
| Runner-up | |
| Score | 6–4, 6–2 |
| Draw | 32 |
| Seeds | 8 |
John Fitzgerald was the defending champion but did not compete that year.
Aaron Krickstein won in the final 6–4, 6–2 against Andrei Cherkasov.
A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.