Patty Van Acker defeated Sandra Kloesel 4-6 6-3 6-4 in the Biel 25K qualifying round on hard. The upset overturned the form book — Sandra Kloesel came in leading the head-to-head 1–0. Patty Van Acker claimed a first win over Sandra Kloesel in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2002-03-18 | Cholet 10K | F | clay | Sandra Kloesel | 6-7(2) 6-4 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.