Darina Sedenkova defeated Lucia Krzelj 6-1 6-4 in the Dubrovnik 1 10K round of 16 on clay. The upset overturned the form book — Lucia Krzelj came in leading the head-to-head 1–0. Darina Sedenkova claimed a first win over Lucia Krzelj in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-04-21 | Hvar 10K | QF | clay | Lucia Krzelj | 6-1 6-2 |