Ekaterina Ivanova defeated Masa Zec Peskiric 6-0 6-4 in the Marbella round of 32 on clay. The upset overturned the form book — Masa Zec Peskiric came in leading the head-to-head 1–0. Ekaterina Ivanova claimed a first win over Masa Zec Peskiric in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-05-28 | Maribor 25K | R16 | clay | Masa Zec Peskiric | 6-3 3-6 6-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.