Ivan Milivojevic defeated Dejan Katic 6-4 6-3 in the Serbia F11 qualifying round on clay. The upset overturned the form book — Dejan Katic came in leading the head-to-head 2–0. Ivan Milivojevic claimed a first win over Dejan Katic in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-08-26 | Serbia F11 | R32 | clay | Dejan Katic | 6-4 7-5 |
| 2013-07-29 | Serbia F7 | R32 | clay | Dejan Katic | 6-4 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.