| Singles | |
|---|---|
| 1985 Donnay Indoor Championships | |
| Champion |
|
| Runner-up |
|
| Final score | 6–4, 3–6, 7–5 |
John McEnroe was the defending champion, but did not participate this year.
Anders Järryd won the title, defeating Mats Wilander 6–4, 3–6, 7–5 in the final.