1989 Dutch Open – Singles
| Singles | |
|---|---|
| 1989 Dutch Open | |
| Champion |
 Karel Nováček
|
| Runner-up |
 Emilio Sánchez
|
| Final score | 6–2, 6–4 |
Emilio Sánchez was the defending champion, but finished runner-up this year.
Karel Nováček won the tournament, beating Sánchez in the final, 6–2, 6–4.
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