| Gender | Male |
|---|---|
| Height | 0' 0" |
Marek Antosiewicz is a MMA fighter with a professional fight record of 2 wins, 1 losses and 0 draws
| Pro Record | 2-1-0 (Win-Loss-Draw) |
|---|---|
| Career Length | 8 months, 28 days |
| Rounds Fought | 0.0 |
| Avg. Fights/Year | 4.5 |
| Longest Layoff | 6 months, 5 days |
| Quickest Turnaround | 2 months, 22 days |
| Date | Opponent | Weightclass | Method | Round | Time | |||
|---|---|---|---|---|---|---|---|---|
| NSF | 02/27/2026 | L (2-0-0) | Michel Dietze (1-1-0) | TKO/RSC GROMDA 24 | 4 | 05:00 | ||
| NSF | 12/05/2025 | W (1-0-0) | Giorgi Kolotashvili (0-0-0) | KO GROMDA 23 | 5 | 03:16 | ||
| NSF | 05/30/2025 | W (0-0-0) | Sascha Valentic (0-0-0) | KO GROMDA 21: Polish Power | 1 | 01:18 |
| * Bouts marked with an 'Official' logo denote results which have been verified by an ABC-recognized athletic commission * Bouts marked with an (*) are considered exhibition bouts and do not count towards the fighter's record * Weights marked with an (*) denote those over the limit for the weight class |