Masa Zec Peskiric defeated Stephanie Vogt 6-4 6-2 in the Hechingen 25K round of 32 on clay. The upset overturned the form book — Stephanie Vogt came in leading the head-to-head 2–0. Masa Zec Peskiric claimed a first win over Stephanie Vogt in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-06-18 | Lenzerheide 25K | R16 | clay | Stephanie Vogt | 6-2 6-1 |
| 2010-10-25 | Cairo 25K | F | clay | Stephanie Vogt | 6-1 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.