Bernadetta Birkas defeated Tina Obrez 6-2 1-6 6-4 in the Herceg Novi 1 10K round of 16 on clay. The upset overturned the form book — Tina Obrez came in leading the head-to-head 1–0. Bernadetta Birkas claimed a first win over Tina Obrez in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-10-16 | Dubrovnik 10K | R32 | clay | Tina Obrez | 4-6 6-1 6-2 |