Kathrin Woerle defeated Stefanie Haidner 7-6 6-3 in the Mont De Marsan 25K round of 32 on clay. The upset overturned the form book — Stefanie Haidner came in leading the head-to-head 2–0. Kathrin Woerle claimed a first win over Stefanie Haidner in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-10-13 | Joue les Tours 25K | R32 | hard | Stefanie Haidner | 6-3 6-7(4) 6-3 |
| 2003-06-16 | Lenzerheide 25K | QF | clay | Stefanie Haidner | 6-1 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.