| Singles | |
|---|---|
| 1990 Australian Men's Hardcourt Championships | |
| Champion |
|
| Runner-up |
|
| Final score | 3–6, 6–2, 7–5 |
Mark Woodforde was the defending champion but lost in the first round to Jimmy Arias.
Thomas Muster won in the final 3–6, 6–2, 7–5 against Arias.