Olga Vymetalkova defeated Matea Mezak 2-6 7-5 6-3 in the Biberach 25K round of 16 on hard. The upset overturned the form book — Matea Mezak came in leading the head-to-head 1–0. Olga Vymetalkova claimed a first win over Matea Mezak in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-06-14 | Wimbledon | Q128 | grass | Matea Mezak | 3-6 7-5 6-3 |