Karla Mraz defeated Constance Sibille 5-7 6-2 6-2 in the Mont-De-Marsan 25K round of 32 on clay. The result followed the form book — Karla Mraz came in leading the head-to-head 2–0. Karla Mraz extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-03-08 | Dijon 10K | R32 | hard | Karla Mraz | 6-4 4-6 6-4 |
| 2006-11-06 | Le Havre 10K | R16 | clay | Karla Mraz | 6-2 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.