Sandra Martinovic defeated Stephanie Vogt 6-4 6-2 in the Lenzerheide 10K semi-final on clay. The upset overturned the form book — Stephanie Vogt came in leading the head-to-head 1–0. Sandra Martinovic claimed a first win over Stephanie Vogt in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-06-20 | Lenzerheide 25K | R32 | clay | Stephanie Vogt | 3-6 7-6(2) 6-3 |
Averages over each player's completed matches in the selected window (1 vs 20). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. Small sample — read as indicative. About