Justine Henin advanced when Amanda Hopmans retired 6-3 1-2 in the Knokke-Heist round of 32. Justine Henin extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-11-09 | Ramat Hasharon 25K | R16 | hard | Justine Henin | 6-3 6-2 |
| 1998-10-19 | Joue-les-Tours 25K | QF | hard | Amanda Hopmans | 6-4 2-6 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.