1986 Donnay Indoor Championships
| 1986 Donnay Indoor Championships | |
|---|---|
| Date | 13–23 March |
| Edition | 6th |
| Draw | 32S / 16D |
| Prize money | $250,000 |
| Surface | Carpet / indoor |
| Location | Brussels, Belgium |
| Venue | Forest National |
| Champions | |
| Singles | |
 Mats Wilander [1] | |
| Doubles | |
 Boris Becker /  Slobodan Živojinović [2] | |
The 1986 Donnay Indoor Championships was a men's tennis tournament played on indoor carpet courts[3] at the Forest National in Brussels, Belgium the event was part of the 1986 Nabisco Grand Prix. It was the sixth edition of the tournament and was held from 13 March until 23 March 1986. First-seeded Mats Wilander won the singles title.[3]
Finals
Singles
Mats Wilander defeated 
Broderick Dyke, 6–2, 6–3
Doubles
Boris Becker / Slobodan Živojinović defeated John Fitzgerald / 
Tomáš Šmíd, 7–6, 7–5