Tim Heger defeated Luka Puljic 6-3 6-3 in the M25 Kiseljak 1 q16 on clay. The result followed the form book — Tim Heger came in leading the head-to-head 1–0. Tim Heger extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-05-24 | M25 Kiseljak 1 | Q32 | clay | Tim Heger | 6-4 6-3 |