Karolina Jovanovic defeated Justyna Jegiolka 6-4 6-2 in the Cavtat 10K round of 32 on clay. The upset overturned the form book — Justyna Jegiolka came in leading the head-to-head 1–0. Karolina Jovanovic claimed a first win over Justyna Jegiolka in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-09-07 | Sarajevo 10K | SF | clay | Justyna Jegiolka | 6-3 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.