Justine Ozga defeated Anne Schaefer 6-1 7-6 in the Prerov 25K round of 32 on carpet. The result followed the form book — Justine Ozga came in leading the head-to-head 3–0. Justine Ozga extended the head-to-head to 4–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-05-07 | Florence 10K | R16 | clay | Justine Ozga | 5-7 6-2 6-3 |
| 2008-10-27 | Istanbul-Ted 25K | QF | hard | Justine Ozga | 6-3 6-4 |
| 2007-06-11 | Campobasso 25K | R16 | clay | Justine Ozga | 6-3 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.