Dejan Katic defeated Janicije Sasha Karic 6-2 3-6 6-3 in the Serbia F10 round of 32 on clay. The upset overturned the form book — Janicije Sasha Karic came in leading the head-to-head 1–0, but Dejan Katic had been the form player, winning 2 of their last 5 on clay. Dejan Katic claimed a first win over Janicije Sasha Karic in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-07-06 | Serbia F4 | R32 | clay | Janicije Sasha Karic | 6-4 7-5 |