Julia Samuseva defeated Natalija Kostic 7-5 7-5 in the Antalya 10K round of 16 on clay. The upset overturned the form book — Natalija Kostic came in leading the head-to-head 1–0. Julia Samuseva claimed a first win over Natalija Kostic in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-03-25 | Antalya 10K | QF | hard | Natalija Kostic | 6-4 2-0 |