Marko Djokovic defeated Valentin Dimov 6-1 4-6 6-4 in the Serbia F2 round of 32 on clay. The upset overturned the form book — Valentin Dimov came in leading the head-to-head 1–0. Marko Djokovic claimed a first win over Valentin Dimov in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-05-20 | Bulgaria F2 | R32 | clay | Valentin Dimov | 6-2 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.