Sandra Kloesel defeated Patty Van Acker 6-7 6-4 6-4 in the Cholet 10K final on clay. The upset overturned the form book — Patty Van Acker came in leading the head-to-head 1–0. Sandra Kloesel claimed a first win over Patty Van Acker in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-03-08 | Biel 25K | QF | hard | Patty Van Acker | 4-6 6-3 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.