MMAStock · Fighter
Mariusz Książkiewicz
Middleweight · KSW · Canadian, Polish
Stock Rating 76 · Established tier · placed by our model, an estimate
Pro record 11-3 (5 KO/TKO, 5 submissions, 1 decision)
Last 10 fights
| Date | Result | Opponent | Method | Event |
|---|---|---|---|---|
| 20 Sep 2025 | Loss | Sergiusz Zając | KO (punches), R1 | XTB KSW 110: Grzebyk vs. Tulshaev |
| 13 Apr 2024 | Win | Rafael Carvalho | KO (Punches), R4 | Ignite Fights - Iowa Fight Series 2 |
| 27 May 2022 | Loss | Eli Aronov | Submission (Arm-Triangle Choke), R2 | Unified MMA 45 - Unified MMA |
| 22 Apr 2022 | Win | Alessandro Gambulino | TKO (knee to the body and punches), R1 | Legacy Fighting Alliance 130: Ksiazkiewicz vs. Gambulino |
| 17 Dec 2021 | Win | Graham Park | KO (Punches), R1 | Unified MMA 42 - Unified MMA |
| 10 Nov 2020 | Loss | Mário Sousa | Decision (unanimous), R3 | Dana White's Contender Series 35 |
| 9 Nov 2019 | Win | Guilherme Miranda | Submission (Rear-Naked Choke), R1 | Teofista - Fight For The Troops |
| 2 Aug 2018 | Win | Jonathan Vallee | Submission (Rear-Naked Choke), R3 | TKO MMA - TKO Fight Night 1 |
| 19 Oct 2016 | Win | Douglas McFresh | KO (Elbows), R1 | AFC 126 - Heun vs. Matavao |
| 12 Mar 2016 | Win | Micah Brakefield | TKO (Retirement), R2 | Prestige FC 2 - Queen City Coronation |
The last 10 of 14 fights on file, from the promotions we cover.
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