Timothy Aerts defeated Melvyn Op Der Heijde 3-6 6-1 6-4 in the Netherlands Masters 3 qualifying round on clay. The result followed the form book — Timothy Aerts came in leading the head-to-head 1–0. Timothy Aerts extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-09-20 | Turkey F6 | F | clay | Timothy Aerts | 6-3 7-5 |