Silvia Hegedis defeated Ramona But 6-2 6-2 in the Belgrade 10K round of 16 on clay. The upset overturned the form book — Ramona But came in leading the head-to-head 1–0. Silvia Hegedis claimed a first win over Ramona But in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-09-27 | Skopje 10K | R16 | clay | Ramona But | 6-3 6-1 |