Kristie Boogert defeated Sabine Appelmans 6-7 7-6 7-6 in the Belgian Open quarter-final on clay. The upset overturned the form book — Sabine Appelmans came in leading the head-to-head 2–0. Kristie Boogert claimed a first win over Sabine Appelmans in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2000-06-26 | Wimbledon | R64 | grass | Sabine Appelmans | 7-5 3-6 9-7 |
| 1997-01-13 | Australian Open | R32 | hard | Sabine Appelmans | 6-1 3-0 RET |