Madeline Bosnjak defeated Yana Morderger 6-3 4-6 7-6 in the Bad Saarow 10K q32 on clay. The upset overturned the form book — Yana Morderger came in leading the head-to-head 1–0, but Madeline Bosnjak had been the form player, winning 3 of their last 8 on clay. Madeline Bosnjak claimed a first win over Yana Morderger in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-01-23 | Kaarst 10K | Q64 | carpet | Yana Morderger | 6-3 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.