Dejan Katic defeated Nino Serdarusic 6-0 6-1 in the Serbia F10 round of 16 on clay. The upset overturned the form book — Nino Serdarusic came in leading the head-to-head 3–1. Dejan Katic narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-05-09 | Bosnia & Herzegovina F1 | QF | clay | Nino Serdarusic | 6-4 6-1 |
| 2015-09-14 | Serbia F12 | R16 | clay | Dejan Katic | 6-4 6-1 |
| 2015-07-20 | Serbia F6 | R16 | clay | Nino Serdarusic | 6-1 6-2 |
| 2015-05-11 | Bosnia & Herzegovina F1 | R32 | clay | Nino Serdarusic | 6-1 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.