Karina Habsudova defeated Barbara Rittner 6-4 7-6 in the Hanover round of 32 on carpet. The upset overturned the form book — Barbara Rittner came in leading the head-to-head 1–0, defending last year's round of 32. Karina Habsudova claimed a first win over Barbara Rittner in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-02-08 | Prostejov | R32 | carpet | Barbara Rittner | 7-6 5-7 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.