Katarina Adamovic defeated Nina Stojanovic 6-4 6-4 in the Prokuplje 10K round of 16 on clay. The upset overturned the form book — Nina Stojanovic came in leading the head-to-head 1–0. Katarina Adamovic claimed a first win over Nina Stojanovic in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-07-23 | Palic 10K | Q32 | clay | Nina Stojanovic | 6-3 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.