1990 Belgian Indoor Championships – Singles
| Singles | |
|---|---|
| 1990 Belgian Indoor Championships | |
| Champion | Boris Becker |
| Runner-up | Carl-Uwe Steeb |
| Score | 7–5, 6–2, 6–2 |
| Draw | 32 |
| Seeds | 8 |
Henri Leconte was the champion of the event when it last took place, in 1988. He participated in 1990 but lost in the first round.
Boris Becker won the title, defeating Carl-Uwe Steeb 7–5, 6–2, 6–2, in the final.