Natalija Kostic defeated Elizabeta Bauer 6-4 1-6 6-4 in the Prokuplje 10K round of 16 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 |
|---|---|---|---|---|---|
| 2011-10-03 | Pirot 10K | R16 | clay | Natalija Kostic | 6-2 6-1 |