Maria Kondratieva defeated Nina Duebbers 6-3 6-2 in the Garching 25K round of 32 on clay. The upset overturned the form book — Nina Duebbers came in leading the head-to-head 1–0. Maria Kondratieva claimed a first win over Nina Duebbers in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2001-10-15 | Bratislava | Q32 | hard | Nina Duebbers | 6-3 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.