Domagoj Biljesko defeated Mihailo Popovic 4-6 6-3 10-6 in the M15 Novi Sad 3 q32 on clay. The upset overturned the form book — Mihailo Popovic came in leading the head-to-head 1–0. Domagoj Biljesko claimed a first win over Mihailo Popovic in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-09-17 | M15 Zlatibor 1 | Q16 | clay | Mihailo Popovic | 6-1 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.