Gordon Bergraaf defeated Martin Verkerk 3-6 7-6 7-5 in the Netherlands Masters 2 round of 16 on clay. The upset overturned the form book — Martin Verkerk came in leading the head-to-head 1–0. Gordon Bergraaf claimed a first win over Martin Verkerk in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-06-15 | Netherlands Masters 4 | R32 | clay | Martin Verkerk | 6-1 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.