Sasa Stojisavljevic defeated Dejan Katic 2-6 6-4 6-3 in the Bosnia Herzegovina F2 qualifying round on clay. The upset overturned the form book — Dejan Katic came in leading the head-to-head 1–0. Sasa Stojisavljevic claimed a first win over Dejan Katic in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-09-09 | Serbia F12 | R16 | clay | Dejan Katic | 7-6(1) 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.