Nina Duebbers defeated Maria Wolfbrandt 6-3 6-2 in the Garching 25K qualifying round on clay. The upset overturned the form book — Maria Wolfbrandt came in leading the head-to-head 1–0. Nina Duebbers claimed a first win over Maria Wolfbrandt in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2000-06-26 | Bastad 10K | QF | clay | Maria Wolfbrandt | 7-5 6-1 |