Natalija Kostic defeated Lina Gjorcheska 4-6 6-3 6-2 in the Nis 10K semi-final on clay. The result followed the form book — Natalija Kostic came in leading the head-to-head 2–0. Natalija Kostic extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-09-02 | Belgrade 10K | QF | clay | Natalija Kostic | 6-4 6-7(2) 6-1 |
| 2012-10-15 | Antalya 10K | R16 | clay | Natalija Kostic | 7-5 2-6 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.