Natalija Kostic defeated Ema Polic 6-1 6-4 in the Zajecar 10K semi-final on clay. The result followed the form book — Natalija Kostic came in leading the head-to-head 1–0. Natalija Kostic extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-09-02 | Belgrade 10K | R16 | clay | Natalija Kostic | 1-6 6-2 6-3 |