Kacper Koziorzębski MMA Profile Record, Stats, Biography, KSW Career & Fight History
Photo Credit: wiorao/instagram
KACPER KOZIORZEBSKI
“Wiór”
POLAND • WELTERWEIGHT
W-L-D
13-6-0 (1 NC)
(T)KO
4-5
SUB
0-1
BIOGRAPHY
COUNTRY
Poland
WT CLASS
Welterweight
HT / WT
6′ 0″, 170 lbs
BIRTHDATE
05/05/1995 (31)
STANCE
Orthodox
REACH
72.0″ (183cm)
TEAM / RESIDENCE
Bonzai MMA • Wrocław, Poland
NICKNAME
“Wiór”
RESOURCE LINKS
PERSONAL LINKS
CAREER HONOURS & HISTORICAL RECORDS
Kacper Koziorzębski Record
WINS13
KO/TKO
4
SUB
0
DECISION
9
LOSSES6
KO/TKO
5
SUB
1
DECISION
0
DRAWS0
DR
0
NO CONTEST1
NC
1
Percentage Statistics
Calculated from 20 professional bouts (13-6-0, 1 NC).
RESULT
FIGHTER
EVENT
METHOD
DURATION/DATE
NC
Muslim Tulshaev
Germany
Germany
KSW 121 – Vojcak vs. Wojcik
Sep / 19 / 2026
No Contest (Accidental Groin Kick)
Rnd 1 (4:54)
Sep / 19 / 2026
ROUND1
TIME4:54
METHODNo Contest
Bout Specifications & Fight Financials
View Dossier
🥊 KSW 121 Co-Main Event • Koziorzębski vs. Tulshaev
Co-Main Event
Fighter MatchupKacper Koziorzębski vs Muslim Tulshaev
Fight Location Tarnów, Poland (Arena Jaskółka Tarnów)
Tarnów, Poland (Arena Jaskółka Tarnów)Duration3 x 5 min
Weights Matchup171 lbs vs 171 lbs
Muslim Tulshaev Record at Bout (Opponent)12-3-0
Kacper Koziorzębski Record at Bout13-6-0
💰 Pre-Fight Betting Odds
Muslim Tulshaev: -175 (Favorite)
vs
Kacper Koziorzębski: +135 (Underdog)
Officials
Ref: Lukasz Bosacki
🥊 Action & Knockdowns:
High-stakes co-main event feature in Tarnów. Following competitive kick exchanges, an accidental spinning kick to the groin rendered Tulshaev unable to continue at 4:54 of the opening frame, resulting in an official No Contest.
WIN
Artur Szczepaniak
Poland
Poland
KSW 115 – Przybysz vs. Yakymenko
Feb / 21 / 2026
Decision (Majority)
Rnd 3 (5:00)
Feb / 21 / 2026
ROUND3
TIME5:00
METHODDecision (Majority)
Bout Specifications & Fight Financials
View Dossier
🥊 KSW 115 Contender Bout • Szczepaniak vs. Koziorzębski
Main Card Feature
Fighter MatchupKacper Koziorzębski vs Artur Szczepaniak
Fight Location Gorzów Wielkopolski, Poland (Arena Gorzów)
Gorzów Wielkopolski, Poland (Arena Gorzów)Duration3 x 5 min
Weights Matchup171 lbs vs 171 lbs
Artur Szczepaniak Record at Bout (Opponent)12-4-0
Kacper Koziorzębski Record at Bout12-6-0
💰 Pre-Fight Betting Odds
Artur Szczepaniak: -160 (Favorite)
vs
Kacper Koziorzębski: +130 (Underdog)
Officials
Ref: Tomasz Bronder
🥊 Action & Knockdowns:
Koziorzębski showcased technical distance striking and sharp leg kicks, frustrating former title challenger Szczepaniak over three rounds to earn a majority decision verdict.
WIN
Madars Bertholds-Fleminas
Latvia
Latvia
KSW 105 – Bartosinski vs. Grzebyk 2
Apr / 26 / 2025
Decision (Split)
Rnd 3 (5:00)
Apr / 26 / 2025
ROUND3
TIME5:00
METHODDecision (Split)
Bout Specifications & Fight Financials
View Dossier
🥊 KSW 105 Main Card • Fleminas vs. Koziorzębski
Main Card Feature
Fighter MatchupKacper Koziorzębski vs Madars Bertholds-Fleminas
Fight Location Gliwice, Poland (PreZero Arena Gliwice)
Gliwice, Poland (PreZero Arena Gliwice)Duration3 x 5 min
Weights Matchup171 lbs vs 171 lbs
Madars Bertholds-Fleminas Record at Bout (Opponent)13-6-0
Kacper Koziorzębski Record at Bout11-6-0
💰 Pre-Fight Betting Odds
Madars Bertholds-Fleminas: -140 (Favorite)
vs
Kacper Koziorzębski: +110 (Underdog)
Officials
Ref: Paulina Swider
🥊 Action & Knockdowns:
High-intensity striking contest in Gliwice. Koziorzębski weathered heavy clinch pressure and answered with crisp combinations and leg kicks to edge out a split decision.
WIN
Matus Juracek
Czech Republic
Czech Republic
KSW 99 – Vojcak vs. Martinek
Oct / 19 / 2024
Decision (Split)
Rnd 3 (5:00)
Oct / 19 / 2024
ROUND3
TIME5:00
METHODDecision (Split)
Bout Specifications & Fight Financials
View Dossier
🥊 KSW 99 Feature • Koziorzębski vs. Juráček
Featured Bout
Fighter MatchupKacper Koziorzębski vs Matus Juracek
Fight Location Gliwice, Poland (PreZero Arena Gliwice)
Gliwice, Poland (PreZero Arena Gliwice)Duration3 x 5 min
Weights Matchup171 lbs vs 171 lbs
Matus Juracek Record at Bout (Opponent)11-4-0
Kacper Koziorzębski Record at Bout10-6-0
💰 Pre-Fight Betting Odds
Kacper Koziorzębski: -125 (Favorite)
vs
Matus Juracek: -105 (Underdog)
Officials
Ref: Lukasz Bosacki
🥊 Action & Knockdowns:
Koziorzębski outworked the tall Czech kickboxer over fifteen minutes, landing stiff right straights and defending takedowns to capture a split decision in Gliwice.
WIN
Viktor Cervinsky
Czech Republic
Czech Republic
KSW 91 – Mircea vs. Brichta
Feb / 17 / 2024
Decision (Unanimous)
Rnd 3 (5:00)
Feb / 17 / 2024
ROUND3
TIME5:00
METHODDecision (Unanimous)
Bout Specifications & Fight Financials
View Dossier
🥊 KSW 91 Main Card • Červinský vs. Koziorzębski
Main Card Feature
Fighter MatchupKacper Koziorzębski vs Viktor Cervinsky
Fight Location Liberec, Czech Republic (Home Credit Arena)
Liberec, Czech Republic (Home Credit Arena)Duration3 x 5 min
Weights Matchup171 lbs vs 171 lbs
Viktor Cervinsky Record at Bout (Opponent)4-0-0
Kacper Koziorzębski Record at Bout9-6-0
💰 Pre-Fight Betting Odds
Viktor Cervinsky: -145 (Favorite)
vs
Kacper Koziorzębski: +115 (Underdog)
Officials
Ref: Marc Goddard
🥊 Action & Knockdowns:
Traveling to Liberec, Koziorzębski dismantled previously unbeaten prospect Červinský across three rounds with relentless boxing combinations and cage control to sweep a unanimous decision.
LOSS
Wiktor Zalewski
Poland
Poland
KSW 86 – Wiklacz vs. Przybysz 4
Sep / 16 / 2023
TKO (Punches)
Rnd 2 (0:55)
Sep / 16 / 2023
ROUND2
TIME0:55
METHODTKO
Bout Specifications & Fight Financials
View Dossier
🥊 KSW 86 Feature • Koziorzębski vs. Zalewski
Featured Bout
Fighter MatchupKacper Koziorzębski vs Wiktor Zalewski
Fight Location Wrocław, Poland (Hala Orbita)
Wrocław, Poland (Hala Orbita)Duration3 x 5 min
Weights Matchup171 lbs vs 171 lbs
Wiktor Zalewski Record at Bout (Opponent)5-0-0
Kacper Koziorzębski Record at Bout9-5-0
💰 Pre-Fight Betting Odds
Wiktor Zalewski: -160 (Favorite)
vs
Kacper Koziorzębski: +125 (Underdog)
Officials
Ref: Tomasz Bronder
🥊 Action & Knockdowns:
After an aggressive opening round in his hometown, undefeated knockout artist Zalewski caught Koziorzębski with a thunderous punch exchange in round two, securing the TKO at 0:55.
WIN
Borys Borkowski
Poland
Poland
KSW 80 – Eskiev vs. Ruchala
Mar / 17 / 2023
Decision (Split)
Rnd 3 (5:00)
Mar / 17 / 2023
ROUND3
TIME5:00
METHODDecision (Split)
Bout Specifications & Fight Financials
View Dossier
🥊 KSW 80 Feature • Koziorzębski vs. Borkowski
Featured Bout
Fighter MatchupKacper Koziorzębski vs Borys Borkowski
Fight Location Lubin, Poland (Hala RCS)
Lubin, Poland (Hala RCS)Duration3 x 5 min
Weights Matchup171 lbs vs 171 lbs
Borys Borkowski Record at Bout (Opponent)4-2-0
Kacper Koziorzębski Record at Bout8-5-0
💰 Pre-Fight Betting Odds
Kacper Koziorzębski: -130 (Favorite)
vs
Borys Borkowski: +100 (Underdog)
Officials
Ref: Piotr Jarosz
🥊 Action & Knockdowns:
Koziorzębski utilized sharp low kicks and counter hooks to edge Borkowski over three tightly contested rounds in Lubin.
LOSS
Emil Meek
Norway
Norway
KSW 74 – De Fries vs. Prasel
Sep / 10 / 2022
TKO (Punches)
Rnd 2 (2:02)
Sep / 10 / 2022
ROUND2
TIME2:02
METHODTKO
Bout Specifications & Fight Financials
View Dossier
🥊 KSW 74 Co-Main Event • Koziorzębski vs. Meek
Co-Main Event
Fighter MatchupKacper Koziorzębski vs Emil Meek
Fight Location Ostrów Wielkopolski, Poland (Arena Ostrów)
Ostrów Wielkopolski, Poland (Arena Ostrów)Duration3 x 5 min
Weights Matchup171 lbs vs 171 lbs
Emil Meek Record at Bout (Opponent)9-6-0 (1 NC)
Kacper Koziorzębski Record at Bout8-4-0
💰 Pre-Fight Betting Odds
Emil Meek: -150 (Favorite)
vs
Kacper Koziorzębski: +120 (Underdog)
Officials
Ref: Lukasz Bosacki
🥊 Action & Knockdowns:
Co-main event in Ostrów Wielkopolski. UFC veteran Emil “Valhalla” Meek weathered Koziorzębski’s early boxing before landing brutal elbows and punches along the cage at 2:02 of round two.
WIN
Hubert Szymajda
Poland
Poland
KSW 66 – Ziolkowski vs. Mankowski
Jan / 15 / 2022
Decision (Unanimous)
Rnd 3 (5:00)
Jan / 15 / 2022
ROUND3
TIME5:00
METHODDecision (Unanimous)
Bout Specifications & Fight Financials
View Dossier
🥊 KSW 66 Feature • Koziorzębski vs. Szymajda
Featured Bout
Fighter MatchupKacper Koziorzębski vs Hubert Szymajda
Fight Location Szczecin, Poland (Netto Arena)
Szczecin, Poland (Netto Arena)Duration3 x 5 min
Weights Matchup171 lbs vs 170 lbs
Hubert Szymajda Record at Bout (Opponent)9-5-0
Kacper Koziorzębski Record at Bout7-4-0
💰 Pre-Fight Betting Odds
Kacper Koziorzębski: -220 (Favorite)
vs
Hubert Szymajda: +170 (Underdog)
Officials
Ref: Tomasz Bronder
🥊 Action & Knockdowns:
Koziorzębski out-struck and dominated grappling positions against Szymajda in Szczecin, earning a dominant 30-27, 30-26, 30-27 unanimous decision.
LOSS
Ion Surdu
Moldova
Moldova
KSW 60 – De Fries vs. Narkun 2
Apr / 24 / 2021
KO (Head Kick)
Rnd 1 (2:19)
Apr / 24 / 2021
ROUND1
TIME2:19
METHODKO (Head Kick)
Bout Specifications & Fight Financials
View Dossier
🥊 KSW 60 Feature • Koziorzębski vs. Surdu
Featured Bout
Fighter MatchupKacper Koziorzębski vs Ion Surdu
Fight Location Łódź, Poland (Wytwórnia Club)
Łódź, Poland (Wytwórnia Club)Duration3 x 5 min
Weights Matchup176 lbs vs 176 lbs (Catchweight)
Ion Surdu Record at Bout (Opponent)10-3-0
Kacper Koziorzębski Record at Bout7-3-0
💰 Pre-Fight Betting Odds
Ion Surdu: -140 (Favorite)
vs
Kacper Koziorzębski: +110 (Underdog)
Officials
Ref: Marc Goddard
🥊 Action & Knockdowns:
Surdu landed a devastating right head kick followed by clean punches that knocked Koziorzębski out at 2:19 of the opening frame.
LOSS
Marcin Krakowiak
Poland
Poland
KSW 57 – De Fries vs. Kita
Dec / 19 / 2020
Submission (Guillotine Choke)
Rnd 3 (4:07)
Dec / 19 / 2020
ROUND3
TIME4:07
METHOD
Submission
Bout Specifications & Fight Financials
View Dossier
🥊 KSW 57 Fight of the Night • Krakowiak vs. Koziorzębski
Fight of the Night
Fighter MatchupKacper Koziorzębski vs Marcin Krakowiak
Fight Location Łódź, Poland (Wytwórnia Club)
Łódź, Poland (Wytwórnia Club)Duration3 x 5 min
Weights Matchup176 lbs vs 176 lbs (Catchweight)
Marcin Krakowiak Record at Bout (Opponent)9-3-0
Kacper Koziorzębski Record at Bout7-2-0
💰 Pre-Fight Betting Odds
Marcin Krakowiak: -150 (Favorite)
vs
Kacper Koziorzębski: +120 (Underdog)
Officials
Ref: Lukasz Bosacki
🥊 Action & Knockdowns:
An unforgettable, blood-soaked war that earned Fight of the Night honors. Koziorzębski rocked Krakowiak multiple times before Krakowiak locked up a guillotine choke late in round three.
WIN
Adam Niedzwiedz
Poland
Poland
KSW 54 – Gamrot vs. Ziolkowski
Aug / 29 / 2020
TKO (Leg Kicks)
Rnd 2 (2:27)
Aug / 29 / 2020
ROUND2
TIME2:27
METHODTKO
Bout Specifications & Fight Financials
View Dossier
🥊 KSW Promotional Debut • Koziorzębski vs. Niedźwiedź
KSW Debut
Fighter MatchupKacper Koziorzębski vs Adam Niedzwiedz
Fight Location Warsaw, Poland (ATM Studio)
Warsaw, Poland (ATM Studio)Duration3 x 5 min
Weights Matchup170 lbs vs 170 lbs
Adam Niedzwiedz Record at Bout (Opponent)7-3-0
Kacper Koziorzębski Record at Bout6-2-0
💰 Pre-Fight Betting Odds
Adam Niedźwiedź: -145 (Favorite)
vs
Kacper Koziorzębski: +115 (Underdog)
Officials
Ref: Lukasz Bosacki
🥊 Action & Knockdowns:
In his promotional KSW debut, Koziorzębski delivered a clinic in low kicking, completely dismantling Niedźwiedź’s lead leg until Niedźwiedź verbally submitted due to leg kicks at 2:27 of round two.
WIN
Szymon Dusza
Poland
Poland
FEN 28 – LOTOS Fight Night
Jun / 13 / 2020
Decision (Unanimous)
Rnd 3 (5:00)
Jun / 13 / 2020
ROUND3
TIME5:00
METHODDecision (Unanimous)
Bout Specifications & Fight Financials
View Dossier
🥊 FEN 28 Feature Bout • Koziorzębski vs. Dusza
Featured Bout
Fighter MatchupKacper Koziorzębski vs Szymon Dusza
Fight Location Warsaw, Poland (DoubleTree by Hilton Hotel)
Warsaw, Poland (DoubleTree by Hilton Hotel)Duration3 x 5 min
Weights Matchup170 lbs vs 170 lbs
Szymon Dusza Record at Bout (Opponent)8-4-0
Kacper Koziorzębski Record at Bout5-2-0
💰 Pre-Fight Betting Odds
Szymon Dusza: -260 (Favorite)
vs
Kacper Koziorzębski: +200 (Underdog)
Officials
Ref: Piotr Michalak
🥊 Action & Knockdowns:
Koziorzębski pulled off a major upset in FEN, out-boxing the top-ranked title contender Szymon Dusza over fifteen minutes to claim a unanimous decision sweep.
WIN
Michal Labus
Poland
Poland
WFC 1 – Wroclaw Fight Championship
May / 25 / 2019
Decision (Unanimous)
Rnd 3 (5:00)
May / 25 / 2019
ROUND3
TIME5:00
METHODDecision (Unanimous)
Bout Specifications & Fight Financials
View Dossier
🥊 WFC 1 Feature • Koziorzębski vs. Łabus
Featured Bout
Fighter MatchupKacper Koziorzębski vs Michal Labus
Fight Location Wrocław, Poland
Wrocław, PolandDuration3 x 5 min
Weights Matchup170 lbs vs 170 lbs
Michal Labus Record at Bout (Opponent)2-1-0
Kacper Koziorzębski Record at Bout4-2-0
Officials
Ref: Grzegorz Szczepanik
🥊 Action & Knockdowns:
Fighting in his hometown of Wrocław, Koziorzębski controlled the stand-up exchanges over fifteen minutes to earn a clear unanimous decision.
WIN
Adam Ugorski
Poland
Poland
Gala Sportow Walki – GSW 9: Welcome to Hell
Oct / 27 / 2018
TKO (Elbows)
Rnd 2
Oct / 27 / 2018
ROUND2
METHODTKO
Bout Specifications & Fight Financials
View Dossier
🥊 GSW 9 Feature • Koziorzębski vs. Ugorski
Featured Bout
Fighter MatchupKacper Koziorzębski vs Adam Ugorski
Fight Location Gostyń, Poland
Gostyń, PolandDuration3 x 5 min
Weights Matchup170 lbs vs 170 lbs
Adam Ugorski Record at Bout (Opponent)2-3-0
Kacper Koziorzębski Record at Bout3-2-0
🥊 Action & Knockdowns:
Koziorzębski took Ugorski to the canvas in round two and unleashed punishing elbows from top mount to secure the TKO stoppage.
WIN
Radoslaw Tarnawa
Poland
Poland
Spartan Fight 9 – Browarski vs Kondraciuk
Dec / 02 / 2017
Decision (Unanimous)
Rnd 3 (5:00)
Dec / 02 / 2017
ROUND3
TIME5:00
METHODDecision (Unanimous)
Bout Specifications & Fight Financials
View Dossier
🥊 Spartan Fight 9 • Koziorzębski vs. Tarnawa
Featured Bout
Fighter MatchupKacper Koziorzębski vs Radoslaw Tarnawa
Fight Location Chorzów, Poland (Hala MORiS)
Chorzów, Poland (Hala MORiS)Duration3 x 5 min
Weights Matchup170 lbs vs 170 lbs
Radoslaw Tarnawa Record at Bout (Opponent)4-2-0
Kacper Koziorzębski Record at Bout2-2-0
🥊 Action & Knockdowns:
Koziorzębski controlled distance and outpointed Tarnawa across all three rounds in Chorzów to take a unanimous decision sweep.
LOSS
Mariusz Mazur
Poland
Poland
XGSW – Leszczynska Strefa Walki 1
Sep / 23 / 2017
TKO (Punches)
Rnd 3
Sep / 23 / 2017
ROUND3
METHODTKO
Bout Specifications & Fight Financials
View Dossier
🥊 XGSW 1 • Mazur vs. Koziorzębski
Featured Bout
Fighter MatchupKacper Koziorzębski vs Mariusz Mazur
Fight Location Leszno, Poland (Hala Trapez)
Leszno, Poland (Hala Trapez)Duration3 x 5 min
Weights Matchup170 lbs vs 170 lbs
Mariusz Mazur Record at Bout (Opponent)4-1-0
Kacper Koziorzębski Record at Bout2-1-0
🥊 Action & Knockdowns:
In a hard-fought regional battle in Leszno, Mazur landed a barrage of punches in the third round to stop Koziorzębski via TKO.
LOSS
Piotr Niedzielski
Poland
Poland
XFS – Poznan Fight Night 2
Feb / 18 / 2017
TKO (Punches)
Rnd 1 (1:05)
Feb / 18 / 2017
ROUND1
TIME1:05
METHODTKO
Bout Specifications & Fight Financials
View Dossier
🥊 Poznań Fight Night 2 • Niedzielski vs. Koziorzębski
Featured Bout
Fighter MatchupKacper Koziorzębski vs Piotr Niedzielski
Fight Location Poznań, Poland (Hala Arena)
Poznań, Poland (Hala Arena)Duration3 x 5 min
Weights Matchup170 lbs vs 170 lbs
Piotr Niedzielski Record at Bout (Opponent)7-3-0
Kacper Koziorzębski Record at Bout2-0-0
Officials
Ref: Tomasz Bronder
🥊 Action & Knockdowns:
Future Bellator competitor Niedzielski caught Koziorzębski with an aggressive flurry of punches early in round one to secure a stoppage at 1:05.
WIN
Piotr Kosinski
Poland
Poland
Thunderstorm 2 – Lodz
Feb / 27 / 2016
TKO (Punches)
Rnd 1 (4:30)
Feb / 27 / 2016
ROUND1
TIME4:30
METHODTKO
Bout Specifications & Fight Financials
View Dossier
🥊 Thunderstorm 2 • Koziorzębski vs. Kosiński
Featured Bout
Fighter MatchupKacper Koziorzębski vs Piotr Kosinski
Fight Location Łódź, Poland (Hala Parkowa)
Łódź, Poland (Hala Parkowa)Duration3 x 5 min
Weights Matchup170 lbs vs 170 lbs
Piotr Kosinski Record at Bout (Opponent)0-0-0 (Debut)
Kacper Koziorzębski Record at Bout1-0-0
Officials
Ref: Piotr Michalak
🥊 Action & Knockdowns:
Koziorzębski controlled the opening frame in Łódź, hurting Kosiński with crisp power punches to earn a referee stoppage at 4:30 of round one.
WIN
Mateusz Maciejewski
Poland
Poland
XFS – Tarnowo Podgorne Fight Night
Oct / 10 / 2015
TKO (Punches)
Rnd 3
Oct / 10 / 2015
ROUND3
METHODTKO
Bout Specifications & Fight Financials
View Dossier
🥊 Professional MMA Debut • Koziorzębski vs. Maciejewski
Pro Debut
Fighter MatchupKacper Koziorzębski vs Mateusz Maciejewski
Fight Location Tarnowo Podgórne, Poland
Tarnowo Podgórne, PolandDuration3 x 5 min
Weights Matchup170 lbs vs 170 lbs
Mateusz Maciejewski Record at Bout (Opponent)0-0-0 (Debut)
Kacper Koziorzębski Record at Bout0-0-0 (Debut)
Officials
Ref: Karol Matuszczak
🥊 Action & Knockdowns:
In his professional MMA debut, Koziorzębski wore down Maciejewski with relentless pressure and stopped the fight with heavy punches in the third round.
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