Svetlana Krivencheva defeated Lubomira Bacheva 6-3 6-3 in the Rostock 25K round of 32 on clay. The upset overturned the form book — Lubomira Bacheva came in leading the head-to-head 1–0. Svetlana Krivencheva claimed a first win over Lubomira Bacheva in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-09-20 | Sofia 25K | R32 | clay | Lubomira Bacheva | 6-2 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.