Lotty Seelen defeated Gabriela Chmelinova 6-1 6-1 in the Hvar 10K round of 32 on clay. The upset overturned the form book — Gabriela Chmelinova came in leading the head-to-head 2–0, but Lotty Seelen had been the form player, winning 2 of their last 5 on clay. Lotty Seelen claimed a first win over Gabriela Chmelinova in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-07-05 | Amersfoort 10K | R16 | clay | Gabriela Chmelinova | 6-2 4-6 6-2 |
| 1999-02-22 | Faro 10K | R16 | hard | Gabriela Chmelinova | 6-3 6-2 |