Mariusz Joniak MMA Profile Record, Stats, Biography, KSW Career & Fight History
Photo Credit: mariusz_joniakmma
MARIUSZ JONIAK
POLAND • BANTAMWEIGHT
W-L-D
13-6-0
(T)KO
2-1
SUB
8-3
BIOGRAPHY
COUNTRY
Poland
WT CLASS
Bantamweight
HT / WT
5′ 6″, 136 lbs
BIRTHDATE
08/16/1997 (29)
STANCE
Orthodox
REACH
67.0″ (170cm)
TEAM / RESIDENCE
Bebson Gold Team • Bielawa, Poland
NICKNAME
RESOURCE LINKS
PERSONAL LINKS
CAREER HONOURS & HISTORICAL RECORDS
Mariusz Joniak Record
WINS13
KO/TKO
2
SUB
8
DECISION
3
LOSSES6
KO/TKO
1
SUB
3
DECISION
2
DRAWS0
DR
0
NO CONTEST0
NC
0
Percentage Statistics
Calculated from 19 professional bouts (13-6-0).
RESULT
FIGHTER
EVENT
METHOD
DURATION/DATE
WIN
Karol Durszlewicz
Poland
Poland
KSW 115 – Przybysz vs. Yakymenko
Feb / 21 / 2026
Decision (Unanimous)
Rnd 3 (5:00)
Feb / 21 / 2026
ROUND3
TIME5:00
METHODDecision (Unanimous)
Bout Specifications & Fight Financials
View Dossier
🥊 KSW 115 Main Card • Joniak vs. Durszlewicz
Featured Bout
Fighter MatchupMariusz Joniak vs Karol Durszlewicz
Fight Location Lubin, Poland (Hala RCS)
Lubin, Poland (Hala RCS)Duration3 x 5 min
Weights Matchup136 lbs vs 135 lbs
Karol Durszlewicz Record at Bout (Opponent)4-0-0
Mariusz Joniak Record at Bout12-6-0
💰 Pre-Fight Betting Odds
Mariusz Joniak: -110 (Pick’em)
vs
Karol Durszlewicz: -110 (Pick’em)
Officials & Scorecards
Ref: Paulina Swider
Scorecard: 30-26
Scorecard: 29-27
Scorecard: 29-28
🥊 Action & Knockdowns:
Joniak handed undefeated prospect Karol Durszlewicz his first career defeat, using superior ground control, positional dominance, and timely takedowns to sweep the scorecards.
LOSS
Islam Djabrailov
Germany
Germany
KSW 98 – Paczuski vs. Zerhouni
Sep / 14 / 2024
Submission (Kneebar)
Rnd 2 (1:22)
Sep / 14 / 2024
ROUND2
TIME1:22
METHODSubmission (Kneebar)
Bout Specifications & Fight Financials
View Dossier
🥊 KSW 98 Main Card • Joniak vs. Djabrailov
Main Card Feature
Fighter MatchupIslam Djabrailov vs Mariusz Joniak
Fight Location Lubin, Poland (Hala RCS)
Lubin, Poland (Hala RCS)Duration3 x 5 min
Weights Matchup135 lbs vs 136 lbs
Islam Djabrailov Record at Bout (Opponent)10-5-0
Mariusz Joniak Record at Bout12-5-0
💰 Pre-Fight Betting Odds
Mariusz Joniak: -200 (Favorite)
vs
Islam Djabrailov: +150 (Underdog)
Officials
Ref: Tomasz Bronder
🥊 Action & Knockdowns:
After competitive grappling exchanges in round one, Djabrailov trapped Joniak’s leg during a scramble on the canvas, locking in a tight kneebar to force the tap at 1:22 of round two.
WIN
Tobiasz Le
Poland
Poland
KSW 91 – Mircea vs. Brichta
Feb / 17 / 2024
TKO (Punches)
Rnd 1 (1:05)
Feb / 17 / 2024
ROUND1
TIME1:05
METHODTKO (Punches)
Bout Specifications & Fight Financials
View Dossier
🥊 KSW 91 Bantamweight Showcase • Joniak vs. Le
Featured Bout
Fighter MatchupMariusz Joniak vs Tobiasz Le
Fight Location Liberec, Czech Republic (Home Credit Arena)
Liberec, Czech Republic (Home Credit Arena)Duration3 x 5 min
Weights Matchup135.5 lbs vs 135.5 lbs
Tobiasz Le Record at Bout (Opponent)4-1-0
Mariusz Joniak Record at Bout11-5-0
💰 Pre-Fight Betting Odds
Tobiasz Le: -175 (Favorite)
vs
Mariusz Joniak: +130 (Underdog)
Officials
Ref: Gerd Richter
🥊 Action & Knockdowns:
Entering as the betting underdog, Joniak stunned Tobiasz Le with a clean right hook in the opening exchange, swarming with unanswered punches to force Gerd Richter’s stoppage in just 65 seconds.
LOSS
Miljan Zdravkovic
Serbia
Serbia
KSW 86 – Wiklacz vs. Przybysz 4
Sep / 16 / 2023
KO (Punches)
Rnd 1 (4:16)
Sep / 16 / 2023
ROUND1
TIME4:16
METHODKO (Punches)
Bout Specifications & Fight Financials
View Dossier
🥊 KSW 86 Bantamweight Bout • Joniak vs. Zdravkovic
Featured Bout
Fighter MatchupMiljan Zdravkovic vs Mariusz Joniak
Fight Location Wroclaw, Poland (Hala Orbita)
Wroclaw, Poland (Hala Orbita)Duration3 x 5 min
Weights Matchup136 lbs vs 136 lbs
Miljan Zdravkovic Record at Bout (Opponent)6-0-0
Mariusz Joniak Record at Bout11-4-0
💰 Pre-Fight Betting Odds
Mariusz Joniak: -188 (Favorite)
vs
Miljan Zdravkovic: +140 (Underdog)
Officials
Ref: Tomasz Bronder
🥊 Action & Knockdowns:
Joniak pressed forward looking for takedowns, but the undefeated Serbian slugger Zdravkovic uncorked a concussive counter right hand that dropped Joniak, handing him his first career knockout defeat at 4:16.
WIN
Sebastian Romanowski
Poland
Poland
KSW 83 – Colosseum 2
Jun / 03 / 2023
Decision (Majority)
Rnd 3 (5:00)
Jun / 03 / 2023
ROUND3
TIME5:00
METHODDecision (Majority)
Bout Specifications & Fight Financials
View Dossier
🥊 KSW Colosseum 2 Opening Bout • Joniak vs. Romanowski
KSW Debut
Fighter MatchupMariusz Joniak vs Sebastian Romanowski
Fight Location Warsaw, Poland (PGE Narodowy)
Warsaw, Poland (PGE Narodowy)Duration3 x 5 min
Weights Matchup163 lbs vs 163 lbs (Catchweight)
Sebastian Romanowski Record at Bout (Opponent)14-10-1
Mariusz Joniak Record at Bout10-4-0
💰 Pre-Fight Betting Odds
Mariusz Joniak: -225 (Favorite)
vs
Sebastian Romanowski: +180 (Underdog)
Officials & Scorecards
Ref: Tomasz Bronder
Scorecard: 29-27
Scorecard: 29-28
Scorecard: 28-28
🥊 Action & Knockdowns:
Taking the fight on just one day’s notice in front of over 50,000 fans at the PGE Narodowy stadium, Joniak out-wrestled veteran Romanowski to capture a majority decision victory in his KSW debut.
WIN
Daniel Hodor
Poland
Poland
BGT 6 – Bebson Arena
Aug / 27 / 2022
Submission (Rear-Naked Choke)
Rnd 2 (2:20)
Aug / 27 / 2022
ROUND2
TIME2:20
METHODSubmission (Rear-Naked Choke)
Bout Specifications & Fight Financials
View Dossier
🥊 Bebson Arena 6 Main Event • Joniak vs. Hodor
Main Event Feature
Fighter MatchupMariusz Joniak vs Daniel Hodor
Fight Location Bielawa, Poland
Bielawa, PolandDuration3 x 5 min
Weights Matchup135 lbs vs 135 lbs
Daniel Hodor Record at Bout (Opponent)6-4-0
Mariusz Joniak Record at Bout9-4-0
Officials
Ref: Grzegorz Szczepanik
🥊 Action & Knockdowns:
Headlining in Bielawa, Joniak took Hodor to the canvas in the second round, quickly advancing to the back and locking in a rear-naked choke to secure the tap at 2:20.
WIN
Lukas Chotenovsky
Czech Republic
Czech Republic
FEN 37 – ENERGA Fight Night Wroclaw
Nov / 27 / 2021
KO (Punch)
Rnd 1 (1:13)
Nov / 27 / 2021
ROUND1
TIME1:13
METHODKO (Punch)
Bout Specifications & Fight Financials
View Dossier
🥊 FEN 37 Main Card • Joniak vs. Chotenovsky
Featured Bout
Fighter MatchupMariusz Joniak vs Lukas Chotenovsky
Fight Location Wroclaw, Poland (Hala Orbita)
Wroclaw, Poland (Hala Orbita)Duration3 x 5 min
Weights Matchup135 lbs vs 135 lbs
Lukas Chotenovsky Record at Bout (Opponent)6-0-0
Mariusz Joniak Record at Bout8-4-0
💰 Pre-Fight Betting Odds
Mariusz Joniak: -105 (Pick’em)
vs
Lukas Chotenovsky: +150 (Underdog)
Officials
Ref: Piotr Michalak
🥊 Action & Knockdowns:
Joniak delivered a highlight-reel finish against undefeated Czech fighter Chotenovsky, landing a crushing right hand that knocked him out clean at 1:13 of the opening frame.
WIN
Krzysztof Gajek
Poland
Poland
FEN 35 – LOTOS Fight Night 6
Jun / 26 / 2021
Submission (Shoulder Choke)
Rnd 1 (2:24)
Jun / 26 / 2021
ROUND1
TIME2:24
METHODSubmission (Shoulder Choke)
Bout Specifications & Fight Financials
View Dossier
🥊 FEN 35 Preliminary Bout • Joniak vs. Gajek
Featured Bout
Fighter MatchupMariusz Joniak vs Krzysztof Gajek
Fight Location Ostroda, Poland (Amphitheater)
Ostroda, Poland (Amphitheater)Duration3 x 5 min
Weights Matchup135 lbs vs 135 lbs
Krzysztof Gajek Record at Bout (Opponent)0-1-0
Mariusz Joniak Record at Bout7-4-0
💰 Pre-Fight Betting Odds
Mariusz Joniak: -565 (Favorite)
vs
Krzysztof Gajek: +450 (Underdog)
Officials
Ref: Piotr Jarosz
🥊 Action & Knockdowns:
Joniak dominated the grappling exchanges, taking Gajek to the mat early and securing a shoulder choke (Von Flue choke) to force the tap at 2:24 of round one.
WIN
Rafal Statkiewicz
Poland
Poland
FEN 30 – LOTOS Fight Night 3
Oct / 03 / 2020
Submission (Guillotine Choke)
Rnd 1 (2:54)
Oct / 03 / 2020
ROUND1
TIME2:54
METHODSubmission (Guillotine Choke)
Bout Specifications & Fight Financials
View Dossier
🥊 FEN 30 Feature Bout • Joniak vs. Statkiewicz
Featured Bout
Fighter MatchupMariusz Joniak vs Rafal Statkiewicz
Fight Location Lodz, Poland (DoubleTree by Hilton)
Lodz, Poland (DoubleTree by Hilton)Duration3 x 5 min
Weights Matchup135 lbs vs 135 lbs
Rafal Statkiewicz Record at Bout (Opponent)1-1-0
Mariusz Joniak Record at Bout6-4-0
Officials
Ref: Daniel Zareba
🥊 Action & Knockdowns:
Joniak locked in a tight guillotine choke during an exchange along the ropes, pulling guard and forcing the tap at 2:54 of round one.
WIN
Oleksii Polishchuk
Ukraine
Ukraine
FEN 27 – Rebecki vs. Magomedov
Jan / 18 / 2020
Decision (Unanimous)
Rnd 3 (5:00)
Jan / 18 / 2020
ROUND3
TIME5:00
METHODDecision (Unanimous)
Bout Specifications & Fight Financials
View Dossier
🥊 FEN 27 Main Card Feature • Joniak vs. Polishchuk
Featured Bout
Fighter MatchupMariusz Joniak vs Oleksii Polishchuk
Fight Location Gliwice, Poland (Arena Gliwice)
Gliwice, Poland (Arena Gliwice)Duration3 x 5 min
Weights Matchup135 lbs vs 135 lbs
Oleksii Polishchuk Record at Bout (Opponent)7-2-0
Mariusz Joniak Record at Bout5-4-0
Officials
Ref: Piotr Jarosz
🥊 Action & Knockdowns:
Joniak executed a sound tactical plan against Ukrainian prospect Polishchuk, controlling the mat and scoring points in the clinch to win a unanimous decision in Gliwice.
WIN
Piotr Olszynka
Poland
Poland
BGT 5 – Bebson Arena
Aug / 24 / 2019
Submission (North-South Choke)
Rnd 3 (2:45)
Aug / 24 / 2019
ROUND3
TIME2:45
METHODSubmission (North-South Choke)
Bout Specifications & Fight Financials
View Dossier
🥊 Bebson Arena 5 Main Event • Joniak vs. Olszynka
Main Event Feature
Fighter MatchupMariusz Joniak vs Piotr Olszynka
Fight Location Bielawa, Poland
Bielawa, PolandDuration3 x 5 min
Weights Matchup135 lbs vs 135 lbs
Piotr Olszynka Record at Bout (Opponent)6-6-1
Mariusz Joniak Record at Bout4-4-0
Officials
Ref: Grzegorz Szczepanik
🥊 Action & Knockdowns:
Joniak secured dominant ground control against veteran Olszynka, transitioning to a North-South choke in round three to earn the submission victory at 2:45.
LOSS
Mansur Azhiev
Poland
Poland
AFN 5 – Armia Fight Night
Apr / 05 / 2019
Decision (Unanimous)
Rnd 3 (5:00)
Apr / 05 / 2019
ROUND3
TIME5:00
METHODDecision (Unanimous)
Bout Specifications & Fight Financials
View Dossier
🥊 Armia Fight Night 5 Feature • Azhiev vs. Joniak
Featured Bout
Fighter MatchupMansur Azhiev vs Mariusz Joniak
Fight Location Lomza, Poland
Lomza, PolandDuration3 x 5 min
Weights Matchup135 lbs vs 135 lbs
Mansur Azhiev Record at Bout (Opponent)2-0-0
Mariusz Joniak Record at Bout4-3-0
Officials
Ref: Piotr Michalak
🥊 Action & Knockdowns:
Undefeated wrestler Mansur Azhiev controlled the distance and wrestling exchanges across three rounds to take a unanimous decision win.
LOSS
Jakub Piesiewicz
Poland
Poland
TFL 15 – Noxy Night
Oct / 20 / 2018
Submission (Rear-Naked Choke)
Rnd 2
Oct / 20 / 2018
ROUND2
TIME–
METHODSubmission (Rear-Naked Choke)
Bout Specifications & Fight Financials
View Dossier
🥊 TFL 15 Main Card • Piesiewicz vs. Joniak
Featured Bout
Fighter MatchupJakub Piesiewicz vs Mariusz Joniak
Fight Location Krasnik, Poland
Krasnik, PolandDuration3 x 5 min
Weights Matchup135 lbs vs 135 lbs
Jakub Piesiewicz Record at Bout (Opponent)6-7-1
Mariusz Joniak Record at Bout4-2-0
Officials
Ref: Cezary Wojciechowski
🥊 Action & Knockdowns:
Piesiewicz capitalized on a scramble in round two, securing back control and locking in a rear-naked choke to hand Joniak the defeat.
WIN
Kamil Korzeniowski
Poland
Poland
BGT 4 – Bebson Arena
Aug / 25 / 2018
Submission (Rear-Naked Choke)
Rnd 1 (3:56)
Aug / 25 / 2018
ROUND1
TIME3:56
METHODSubmission (Rear-Naked Choke)
Bout Specifications & Fight Financials
View Dossier
🥊 Bebson Arena 4 Feature • Joniak vs. Korzeniowski
Featured Bout
Fighter MatchupMariusz Joniak vs Kamil Korzeniowski
Fight Location Bielawa, Poland
Bielawa, PolandDuration3 x 5 min
Weights Matchup135 lbs vs 135 lbs
Kamil Korzeniowski Record at Bout (Opponent)2-1-0
Mariusz Joniak Record at Bout3-2-0
🥊 Action & Knockdowns:
Joniak dominated on the ground, taking Korzeniowski’s back in the opening round and locking in a rear-naked choke at 3:56.
LOSS
Dawid Kareta
Poland
Poland
VFCL 7 – Victory Fighting Championship League 7
Dec / 16 / 2017
Submission (Anaconda Choke)
Rnd 1 (3:36)
Dec / 16 / 2017
ROUND1
TIME3:36
METHODSubmission (Anaconda Choke)
Bout Specifications & Fight Financials
View Dossier
🥊 VFCL 7 Feature • Kareta vs. Joniak
Featured Bout
Fighter MatchupDawid Kareta vs Mariusz Joniak
Fight Location Cieszyn, Poland
Cieszyn, PolandDuration3 x 5 min
Weights Matchup145 lbs vs 145 lbs
Dawid Kareta Record at Bout (Opponent)1-0-0
Mariusz Joniak Record at Bout3-1-0
🥊 Action & Knockdowns:
Kareta caught Joniak in an anaconda choke during a transition on the canvas, forcing the submission at 3:36 of round one.
WIN
Aleksander Keller
Poland
Poland
BGT 3 – Bebson Arena
Nov / 18 / 2017
Submission (Rear-Naked Choke)
Rnd 1 (3:53)
Nov / 18 / 2017
ROUND1
TIME3:53
METHODSubmission (Rear-Naked Choke)
Bout Specifications & Fight Financials
View Dossier
🥊 Bebson Arena 3 Feature • Joniak vs. Keller
Featured Bout
Fighter MatchupMariusz Joniak vs Aleksander Keller
Fight Location Bielawa, Poland
Bielawa, PolandDuration3 x 5 min
Weights Matchup135 lbs vs 135 lbs
Aleksander Keller Record at Bout (Opponent)0-0-0
Mariusz Joniak Record at Bout2-1-0
🥊 Action & Knockdowns:
Joniak executed an early takedown, advanced to the back, and locked in a rear-naked choke at 3:53 of round one.
WIN
Mariusz Domin
Poland
Poland
Face 2 Face – Vol. 1
Oct / 21 / 2017
Submission (Arm-Triangle Choke)
Rnd 1
Oct / 21 / 2017
ROUND1
TIME–
METHODSubmission (Arm-Triangle Choke)
Bout Specifications & Fight Financials
View Dossier
🥊 Face 2 Face 1 Feature • Joniak vs. Domin
Featured Bout
Fighter MatchupMariusz Joniak vs Mariusz Domin
Fight Location Zielona Gora, Poland
Zielona Gora, PolandDuration3 x 5 min
Weights Matchup135 lbs vs 135 lbs
Mariusz Domin Record at Bout (Opponent)0-0-0
Mariusz Joniak Record at Bout1-1-0
Officials
Ref: Jakub Boczek
🥊 Action & Knockdowns:
Joniak dominated the grappling, passing to side control and locking in an arm-triangle choke in the opening round.
LOSS
Sylwester Miller
Poland
Poland
GNG 3 – Narodziny Wojownika
Feb / 25 / 2017
Decision (Unanimous)
Rnd 3 (5:00)
Feb / 25 / 2017
ROUND3
TIME5:00
METHODDecision (Unanimous)
Bout Specifications & Fight Financials
View Dossier
🥊 GNG 3 Feature • Miller vs. Joniak
Featured Bout
Fighter MatchupSylwester Miller vs Mariusz Joniak
Fight Location Miedzyrzec Podlaski, Poland
Miedzyrzec Podlaski, PolandDuration3 x 5 min
Weights Matchup135 lbs vs 135 lbs
Sylwester Miller Record at Bout (Opponent)3-2-0
Mariusz Joniak Record at Bout1-0-0
🥊 Action & Knockdowns:
Experienced regional fighter Sylwester Miller utilized superior top control across three rounds to hand Joniak his first career defeat by unanimous decision.
WIN
Adrian Wedzik
Poland
Poland
BGT 2 – Bebson Arena
Oct / 29 / 2016
Submission (Arm-Triangle Choke)
Rnd 2
Oct / 29 / 2016
ROUND2
TIME–
METHODSubmission (Arm-Triangle Choke)
Bout Specifications & Fight Financials
View Dossier
🥊 Professional MMA Debut • Joniak vs. Wedzik
Pro Debut
Fighter MatchupMariusz Joniak vs Adrian Wedzik
Fight Location Bielawa, Poland
Bielawa, PolandDuration3 x 5 min
Weights Matchup135 lbs vs 135 lbs
Adrian Wedzik Record at Bout (Opponent)0-0-0 (Debut)
Mariusz Joniak Record at Bout0-0-0 (Debut)
Officials
Ref: Jakub Boczek
🥊 Action & Knockdowns:
Making his professional mixed martial arts debut in Bielawa, Joniak showcased his Brazilian Jiu-Jitsu foundation, locking in an arm-triangle choke in round two to earn his first pro win.
Fighter profiles may contain errors, omissions, or outdated information. RCMMA does not guarantee the accuracy or completeness of fighter records, statistics, rankings, or biographical data. Users should verify important details through authoritative sources.
View Disclaimer
