Adrian Bartosinski
“Bartos”
Adrian Bartosinski is ranked 18th of 426 welterweights by the First Light Rating.
- FLRFirst Light Ratingmeasure of true skill
- 1,99718th of 426 · Welterweight
- Career phase
- PrimeCareer-best FLR 2,004, 14 Mar 2026
- Record
- 18–1Pro
Skill and attention.
Attention is drawn at the skill level its fame matches: above the skill line, more famous than skilled. Shaded: where the most similar careers went next.
Recent fights.
| Date | Fight | FLR |
|---|---|---|
| 14 Mar 2026 | Won vs Madars Bertholds-FleminasKSW 116 - Bartosinski vs. Fleminas · Decision (Split), R5 | +7 |
| 20 Dec 2025 | Won vs Muslim TulshaevKSW 113 - Bartosinski vs. Tulshaev · TKO (Elbows), R3 | +22 |
| 26 Apr 2025 | Won vs Andrzej GrzebykKSW 105 - Bartosinski vs. Grzebyk 2 · Decision (Unanimous), R5 | +20 |
| 16 Nov 2024 | Lost to Mamed KhalidovKSW 100 - Khalidov vs. Bartosinski · Submission (Armbar), R2 | −33 |
| 11 May 2024 | Won vs Igor MichaliszynKSW 94 - Bartosinski vs. Michaliszyn · Submission (Kneebar), R3 | +22 |
| 16 Dec 2023 | Won vs Salahdine ParnasseKSW 89 - Bartosinski vs. Parnasse · Decision (Unanimous), R5 | +34 |
| 22 Apr 2023 | Won vs Artur SzczepaniakKSW 81 - Bartosinski vs. Szczepaniak · TKO (Punches), R1 | +39 |
| 12 Nov 2022 | Won vs Krystian KaszubowskiKSW 76 - Parnasse vs. Rajewski · TKO (Elbows and Punches), R1 | +36 |
| 26 Feb 2022 | Won vs Andrzej GrzebykKSW 67 - De Fries vs. Stosic · Submission (Kneebar), R2 | +60 |
| 17 Jul 2021 | Won vs Michal MichalskiKSW 62 - Kolecki vs. Szostak · TKO (Punches), R1 | +52 |
| 20 Mar 2021 | Won vs Lionel PadillaKSW 59 - Fight Code · TKO (Punches), R3 | +48 |
| 17 Apr 2020 | Won vs Piotr WalawskiTylko Jeden - Odcinek 6 · KO (Punch), R3 | +42 |
FLR is the First Light Rating points the fight earned or cost them.
How it is measured.
Data Credit: First Light Observatory.
How these numbers are made.
First Light may hold interests in athletes covered by the Index.