Kim Kilsdonk defeated Ines Heise 6-1 6-2 in the Amersfoort 10K round of 16 on clay. The upset overturned the form book — Ines Heise came in leading the head-to-head 2–0, but Kim Kilsdonk had been the form player, winning 3 of their last 5 on clay. Kim Kilsdonk claimed a first win over Ines Heise in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-06-24 | Velp 10K | R32 | clay | Ines Heise | 6-2 6-3 |
| 1998-01-13 | Reykjavik 10K | R32 | carpet | Ines Heise | 7-5 6-3 |