| Singles | |
|---|---|
| 1989 CA-TennisTrophy | |
| Champion |
|
| Runner-up |
|
| Final score | 6–7, 6–4, 6–1, 2–6, 6–3 |
Horst Skoff was the defending champion but lost in the second round to Glenn Layendecker.
Paul Annacone won in the final 6–7, 6–4, 6–1, 2–6, 6–3 against Kelly Evernden.