MMAStock · Fighter
Adrian Bartosiński
“Bartos” · Welterweight · KSW · Age 31
Stock Rating 75 · Established tier · placed by our model, an estimate
Pro record 18-1 (12 KO/TKO, 2 submissions, 4 decisions)
Next fight: 21 Nov 2026, against Tymoteusz Łopaczyk at XTB KSW 123: Bartosiński vs. Łopaczyk.
Last 10 fights
| Date | Result | Opponent | Method | Event |
|---|---|---|---|---|
| 14 Mar 2026 | Win | Madars Fleminas | Decision (split), R5 · title fight | XTB KSW 116: Bartosiński vs. Fleminas |
| 20 Dec 2025 | Win | Muslim Tulshaev | TKO (elbows), R3 · title fight | XTB KSW 113: Bartosiński vs. Tulshaev |
| 26 Apr 2025 | Win | Andrzej Grzebyk | Decision (unanimous), R5 · title fight | XTB KSW 105: Bartosiński vs. Grzebyk 2 |
| 17 Apr 2020 | Win | Piotr Walawski | KO (Punch), R3 | Tylko Jeden - Odcinek 6 |
| 20 Mar 2020 | Win | Kamil Dolgowski | TKO (Doctor Stoppage), R1 | Tylko Jeden - Odcinek 3 |
| 6 Dec 2019 | Win | Konstantin Linnik | TKO (Elbows), R1 | Wirtuoz Challenge - Rawa Mazowiecka Fight Night |
| 12 Oct 2019 | Win | Krystian Bielski | KO (Punch), R2 | FEN 26 - The Greatness |
| 5 Jul 2019 | Win | Alexander Shingarenko | TKO (Punches), R1 | RWC 3 - Gdynia |
| 6 Apr 2019 | Win | Vladislav Schepanskyi | TKO (Doctor Stoppage), R1 | Wirtuoz Challenge 2 - Next Step |
| 22 Sep 2018 | Win | Jaroslaw Lech | TKO (Punches), R2 | Wirtuoz Challenge 1 - Poczatek |
The last 10 of 11 fights on file, from the promotions we cover.
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