Predrag Marjanovic defeated Oliver Ceranic 6-4 6-3 in the Bosnia & Herzegovina F1 qualifying round of 16 on clay. The upset overturned the form book — Oliver Ceranic came in leading the head-to-head 1–0. Predrag Marjanovic claimed a first win over Oliver Ceranic in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-08-12 | Serbia F9 | Q16 | clay | Oliver Ceranic | 6-3 4-6 7-5 |