Anja Prislan defeated Karla Popovic 6-4 2-6 7-6 in the Stuttgart Stammheim 10K round of 16 on hard. The upset overturned the form book — Karla Popovic came in leading the head-to-head 1–0. Anja Prislan claimed a first win over Karla Popovic in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-04-02 | Sibenik 10K | R32 | clay | Karla Popovic | 6-3 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.