| DATE | EVENT | FIGHT |
|---|---|---|
| 06.07.2024 | KSW 95 | Marcin Held def. Roman Szymański - Unanimous Decision |
| 05.06.2021 | KSW 61 | Roman Szymański def. Donovan Desmae - Unanimous Decision |
| 09.11.2019 | KSW 51 | Roman Szymański def. Miloš Janičić - Unanimous Decision |
| 01.12.2018 | KSW 46 | Roman Szymański def. Daniel Torres - Unanimous Decision |
| 23.12.2017 | KSW 41 | Marcin Wrzosek def. Roman Szymański - Unanimous Decision |
| 07.04.2017 | KSW 38 | Roman Szymański def. Denilson Neves - Unanimous Decision |
| 15.10.2016 | FEN 14 | Joilton Lutterbach def. Roman Szymański - Unanimous Decision (C) |
