Tim Heger defeated Domagoj Biljesko 7-6 2-6 6-3 in the M25 Kiseljak 1 round of 32 on clay. The upset overturned the form book — Domagoj Biljesko came in leading the head-to-head 1–0. Tim Heger claimed a first win over Domagoj Biljesko in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2022-08-30 | M25 Maribor 1 | Q16 | clay | Domagoj Biljesko | 7-5 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.