Csilla Argyelan defeated Patricia Chirea 6-1 6-1 in the Brcko 10K round of 16 on clay. The upset overturned the form book — Patricia Chirea came in leading the head-to-head 1–0. Csilla Argyelan claimed a first win over Patricia Chirea in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-08-23 | Doboj 10K | R16 | clay | Patricia Chirea | 5-7 6-1 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.