Lenka Nemeckova defeated Barbara Rittner 5-7 6-1 6-4 in the Prostejov round of 16 on carpet. The upset overturned the form book — Barbara Rittner came in leading the head-to-head 2–0. Lenka Nemeckova claimed a first win over Barbara Rittner in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-05-24 | Roland Garros | Q128 | clay | Barbara Rittner | 6-4 6-4 |
| 2000-07-24 | Liege 50K | QF | clay | Barbara Rittner | 6-2 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.