Anne Schaefer advanced when Barbara Sobaszkiewicz retired 5-7 7-6 3-0 in the Bad Saulgau 25K round of 16. Anne Schaefer extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-01-23 | Mallorca 10K | QF | clay | Barbara Sobaszkiewicz | 6-2 6-2 |
| 2006-06-05 | Warsaw 2 10K | QF | clay | Anne Schaefer | 6-2 3-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.