1989 New South Wales Open – Men's singles
| Men's singles | |
|---|---|
| 1989 New South Wales Open | |
| 1988 Champion | John Fitzgerald |
| Champion | Aaron Krickstein |
| Runner-up | Andrei Cherkasov |
| Score | 6–4, 6–2 |
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.