Antoaneta Pandjerova defeated Maria Geznenge 6-0 5-7 6-4 in the Guimaraes 25K round of 32 on hard. The upset overturned the form book — Maria Geznenge came in leading the head-to-head 2–1. Antoaneta Pandjerova narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-05-17 | Salzburg 10K | R32 | clay | Antoaneta Pandjerova | 2-6 6-1 6-4 |
| 1998-08-31 | Sofia 25K | R32 | clay | Maria Geznenge | 4-6 6-2 6-2 |
| 1996-09-30 | Thessaloniki 10K | R16 | hard | Maria Geznenge | 7-6 6-1 |