Gordon Bergraaf defeated Melvyn Op Der Heijde 2-6 6-2 6-3 in the Netherlands Masters 3 round of 16 on clay. The upset overturned the form book — Melvyn Op Der Heijde came in leading the head-to-head 1–0, but Gordon Bergraaf had been the form player, winning 5 of their last 8 on clay. Gordon Bergraaf claimed a first win over Melvyn Op Der Heijde in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-06-15 | Netherlands Masters 1 | R16 | clay | Melvyn Op Der Heijde | 6-3 6-4 |