Laura Siegemund defeated Masa Zec Peskiric 6-2 6-1 in the Lenzerheide 25K qualifying round on clay. The upset overturned the form book — Masa Zec Peskiric came in leading the head-to-head 2–1, but Laura Siegemund had been the form player, winning 3 of their last 6 on clay. Laura Siegemund narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-07-16 | Darmstadt 25K | SF | clay | Laura Siegemund | 3-6 6-2 7-6(7) |
| 2010-11-22 | Prerov 25K | QF | hard | Masa Zec Peskiric | 6-3 5-7 6-2 |
| 2008-12-22 | Delhi 50K | R32 | hard | Masa Zec Peskiric | 6-2 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.
Per-surface Serve / Return Rating (0–100, percentile within the clay field, opponent-adjusted over 52 weeks). About