Igor Michaliszyn MMA Profile Record, Stats, Biography, KSW Career & Fight History
Photo Credit: michaliszyn_mma/instagram
IGOR MICHALISZYN
POLAND • WELTERWEIGHT
W-L-D
12-4-0
(T)KO
4-2
SUB
3-1
BIOGRAPHY
COUNTRY
Poland
WT CLASS
Welterweight
HT / WT
6′ 0″, 171 lbs
BIRTHDATE
05/03/1996 (30)
STANCE
Orthodox
REACH
75.0″ (191cm)
TEAM / RESIDENCE
Kill Cliff FC / Silesian Cage Club • Dąbrowa Górnicza, Poland
NICKNAME
CAREER HONOURS & HISTORICAL RECORDS
Igor Michaliszyn Record
WINS12
KO/TKO
4
SUB
3
DECISION
5
LOSSES4
KO/TKO
2
SUB
1
DECISION
1
DRAWS0
DR
0
NO CONTEST0
NC
0
Percentage Statistics
Calculated from 16 professional bouts (12-4-0).
RESULT
FIGHTER
EVENT
METHOD
DURATION/DATE
VS
Tomasz Romanowski
Poland
Poland
KSW 123
Nov / 21 / 2026
Scheduled
3 Rnds (5:00)
Nov / 21 / 2026
ROUNDS3
STATUSScheduled
DATENov 21, 2026
Bout Specifications & Fight Preview
View Dossier
🥊 KSW 123 Welterweight Showcase • Michaliszyn vs. Romanowski 2
Scheduled Feature
Fighter MatchupIgor Michaliszyn vs Tomasz Romanowski
Fight Location
Szczecin, Poland (Netto Arena)
Szczecin, Poland (Netto Arena)Duration3 x 5 min
Weights Matchup171 lbs vs 171 lbs
Tomasz Romanowski Record (Opponent)19-12-0
Igor Michaliszyn Record12-4-0
💰 Pre-Fight Betting Odds
Igor Michaliszyn: -155 (Favorite)
vs
Tomasz Romanowski: +115 (Underdog)
🥊 Bout Preview:
Crucial rematch in Szczecin at KSW 123. Over nine years after their first meeting at FEN 18, Michaliszyn faces former title challenger and middleweight tournament winner Romanowski in a high-stakes welterweight contender clash.
LOSS
Artur Szczepaniak
Poland
Poland
KSW 105 – Bartosinski vs. Grzebyk 2
Apr / 26 / 2025
TKO (Head Kick and Punches)
Rnd 1 (2:40)
Apr / 26 / 2025
ROUND1
TIME2:40
METHODTKO (Head Kick and Punches)
Bout Specifications & Fight Financials
View Dossier
🥊 KSW 105 Welterweight Contender Bout • Michaliszyn vs. Szczepaniak
Main Card Feature
Fighter MatchupIgor Michaliszyn vs Artur Szczepaniak
Fight Location
Gliwice, Poland (PreZero Arena Gliwice)
Gliwice, Poland (PreZero Arena Gliwice)Duration3 x 5 min
Weights Matchup171 lbs vs 171 lbs
Artur Szczepaniak Record at Bout (Opponent)12-3-0
Igor Michaliszyn Record at Bout12-3-0
💰 Pre-Fight Betting Odds
Igor Michaliszyn: -130 (Favorite)
vs
Artur Szczepaniak: +105 (Underdog)
Officials
Ref: Paulina Swider
🥊 Action & Knockdowns:
High-stakes welterweight clash. Szczepaniak disguised a sharp right head kick that connected flush behind Michaliszyn’s ear, dropping him to the canvas before following up with unanswered punches to force referee Paulina Swider’s stoppage at 2:40 of the opening round.
WIN
Madars Bertholds-Fleminas
Latvia
Latvia
KSW 100 – Khalidov vs. Bartosinski
Nov / 16 / 2024
Decision (Unanimous)
Rnd 3 (5:00)
Nov / 16 / 2024
ROUND3
TIME5:00
METHODDecision (Unanimous)
Bout Specifications & Fight Financials
View Dossier
🥊 KSW 100 Jubilee Feature • Michaliszyn vs. Fleminas
Main Card Feature
Fighter MatchupIgor Michaliszyn 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)13-5-0
Igor Michaliszyn Record at Bout11-3-0
💰 Pre-Fight Betting Odds
Igor Michaliszyn: -225 (Favorite)
vs
Madars Fleminas: +175 (Underdog)
Officials & Scorecards
Ref: Lukasz Bosacki
Scorecard: 29-28
Scorecard: 29-28
Scorecard: 29-28
🥊 Action & Knockdowns:
Featured on the historic KSW 100 card, Michaliszyn showed technical striking and well-timed level changes against “Latvian Express” Fleminas, sweeping all three scorecards with identical 29-28 marks.
WIN
Oton Jasse
Brazil
Brazil
KSW 97 – Bajor vs. Scheffel
Aug / 24 / 2024
Decision (Unanimous)
Rnd 3 (5:00)
Aug / 24 / 2024
ROUND3
TIME5:00
METHODDecision (Unanimous)
Bout Specifications & Fight Financials
View Dossier
🥊 Middleweight Showcase • Michaliszyn vs. Jasse
Main Card Feature
Fighter MatchupIgor Michaliszyn vs Oton Jasse
Fight Location
Tarnów, Poland (Arena Jaskółka)
Tarnów, Poland (Arena Jaskółka)Duration3 x 5 min
Weights Matchup185 lbs vs 185 lbs
Oton Jasse Record at Bout (Opponent)21-9-0
Igor Michaliszyn Record at Bout10-3-0
Officials & Scorecards
Ref: Lukasz Bosacki
Scorecard: 30-27
Scorecard: 30-27
Scorecard: 30-27
🥊 Action & Knockdowns:
Stepping up to middleweight, Michaliszyn put on a clinical performance against Brazilian submission specialist Jasse, out-landing him by a wide margin on the feet and fending off all ground attacks to win 30-27 across all scorecards.
LOSS
Adrian Bartosinski
Poland
Poland
KSW 94 – Bartosinski vs. Michaliszyn
May / 11 / 2024
Submission (Kneebar)
Rnd 3 (4:50)
May / 11 / 2024
ROUND3
TIME4:50
METHODSubmission (Kneebar)
Bout Specifications & Fight Financials
View Dossier
Challenged for Undisputed Title
Fighter MatchupIgor Michaliszyn vs Adrian Bartosiński
Fight Location
Gdańsk/Sopot, Poland (Ergo Arena)
Gdańsk/Sopot, Poland (Ergo Arena)Duration5 x 5 min
Weights Matchup170 lbs vs 170 lbs
Adrian Bartosiński Record at Bout (Opponent)15-0-0
Igor Michaliszyn Record at Bout10-2-0
💰 Pre-Fight Betting Odds
Adrian Bartosinski: -500 (Favorite)
vs
Igor Michaliszyn: +333 (Underdog)
Officials
Ref: Lukasz Bosacki
🥊 Action & Knockdowns:
Stepping up on short notice to challenge undefeated welterweight king Bartosiński, Michaliszyn competed courageously, trading punches and threatening off his back. Late in round three, Bartosiński isolated a deep kneebar to extract the tap at 4:50.
WIN
Krystian Bielski
Poland
Poland
KSW 81 – Bartosinski vs. Szczepaniak
Apr / 22 / 2023
TKO (Elbows)
Rnd 2 (3:29)
Apr / 22 / 2023
ROUND2
TIME3:29
METHODTKO (Elbows)
Bout Specifications & Fight Financials
View Dossier
🥊 KSW 81 Main Card Feature • Michaliszyn vs. Bielski
Main Card Feature
Fighter MatchupIgor Michaliszyn vs Krystian Bielski
Fight Location
Tomaszów Mazowiecki, Poland (Arena Lodowa)
Tomaszów Mazowiecki, Poland (Arena Lodowa)Duration3 x 5 min
Weights Matchup171 lbs vs 171 lbs
Krystian Bielski Record at Bout (Opponent)9-4-0
Igor Michaliszyn Record at Bout9-2-0
💰 Pre-Fight Betting Odds
Igor Michaliszyn: -250 (Favorite)
vs
Krystian Bielski: +190 (Underdog)
Officials
Ref: Lukasz Bosacki
🥊 Action & Knockdowns:
Michaliszyn overwhelmed Bielski with dynamic striking before taking him to the canvas in the second round, unloading a relentless flurry of sharp elbows to force the stoppage at 3:29.
WIN
Idris Amizhaev
Russia
Russia
KSW 67 – De Fries vs. Stosic
Feb / 26 / 2022
TKO (Punches and Elbow)
Rnd 1 (1:06)
Feb / 26 / 2022
ROUND1
TIME1:06
METHODTKO (Punches and Elbow)
Bout Specifications & Fight Financials
View Dossier
🥊 KSW Promotional Debut • Michaliszyn vs. Amizhaev
KSW Debut
Fighter MatchupIgor Michaliszyn vs Idris Amizhaev
Fight Location
Warsaw, Poland (Global EXPO)
Warsaw, Poland (Global EXPO)Duration3 x 5 min
Weights Matchup176 lbs vs 176 lbs
Idris Amizhaev Record at Bout (Opponent)10-4-0
Igor Michaliszyn Record at Bout8-2-0
💰 Pre-Fight Betting Odds
Igor Michaliszyn: -160 (Favorite)
vs
Idris Amizhaev: +130 (Underdog)
Officials
Ref: Marc Goddard
🥊 Action & Knockdowns:
Sensational promotional debut for Michaliszyn. He rushed into the pocket, battered Amizhaev with rapid-fire punches, and sealed the finish with a crushing downward elbow to prompt Marc Goddard’s stoppage at just 1:06 of round one.
WIN
Georgi Valentinov
Bulgaria
Bulgaria
EFM Show 1 – Rozanski vs. Pasternak
Apr / 09 / 2021
Submission (Guillotine Choke)
Rnd 1 (4:23)
Apr / 09 / 2021
ROUND1
TIME4:23
METHODSubmission (Guillotine Choke)
Bout Specifications & Fight Financials
View Dossier
🥊 EFM Show Welterweight Showcase • Michaliszyn vs. Valentinov
Featured Bout
Fighter MatchupIgor Michaliszyn vs Georgi Valentinov
Fight Location
Łódź, Poland (DoubleTree by Hilton)
Łódź, Poland (DoubleTree by Hilton)Duration3 x 5 min
Weights Matchup170 lbs vs 170 lbs
Georgi Valentinov Record at Bout (Opponent)21-5-0
Igor Michaliszyn Record at Bout7-2-0
Officials
Ref: Piotr Jarosz
🥊 Action & Knockdowns:
Michaliszyn locked in a tight arm-in guillotine choke during a takedown entry by Bulgarian veteran Valentinov, pulling guard and squeezing to force the tap at 4:23 of the opening round.
WIN
Piotr Danelski
Poland
Poland
RWC 5 – Bez Przebaczenia
Jul / 31 / 2020
Decision (Unanimous)
Rnd 3 (5:00)
Jul / 31 / 2020
ROUND3
TIME5:00
METHODDecision (Unanimous)
Bout Specifications & Fight Financials
View Dossier
🥊 RWC 5 Feature • Michaliszyn vs. Danelski
Featured Bout
Fighter MatchupIgor Michaliszyn vs Piotr Danelski
Fight Location
Mrągowo, Poland (Amfiteatr Mrągowo)
Mrągowo, Poland (Amfiteatr Mrągowo)Duration3 x 5 min
Weights Matchup170 lbs vs 170 lbs
Piotr Danelski Record at Bout (Opponent)5-2-0
Igor Michaliszyn Record at Bout6-2-0
Officials
Ref: Lukasz Bosacki
🥊 Action & Knockdowns:
Michaliszyn controlled Danelski with effective wrestling, positional top pressure, and precise boxing combinations to take a clean sweep on the judges’ scorecards.
WIN
Davit Khutsishvili
Georgia
Georgia
RWC 4 – Dabrowa Gornicza
Feb / 22 / 2020
TKO (Punches)
Rnd 1 (2:12)
Feb / 22 / 2020
ROUND1
TIME2:12
METHODTKO (Punches)
Bout Specifications & Fight Financials
View Dossier
🥊 Hometown Showcase • Michaliszyn vs. Khutsishvili
Main Card Feature
Fighter MatchupIgor Michaliszyn vs Davit Khutsishvili
Fight Location
Dąbrowa Górnicza, Poland (Hala Centrum)
Dąbrowa Górnicza, Poland (Hala Centrum)Duration3 x 5 min
Weights Matchup170 lbs vs 170 lbs
Davit Khutsishvili Record at Bout (Opponent)13-5-0
Igor Michaliszyn Record at Bout5-2-0
Officials
Ref: Piotr Jarosz
🥊 Action & Knockdowns:
Fighting in his hometown, Michaliszyn battered Georgian veteran Khutsishvili with ferocious combinations against the cage, forcing a first-round TKO at 2:12.
LOSS
Lom-Ali Nalgiev
Russia
Russia
RWC 3 – Gdynia
Jul / 05 / 2019
KO (Punch)
Rnd 1 (2:03)
Jul / 05 / 2019
ROUND1
TIME2:03
METHODKO (Punch)
Bout Specifications & Fight Financials
View Dossier
🥊 RWC 3 Feature • Michaliszyn vs. Nalgiev
Featured Bout
Fighter MatchupIgor Michaliszyn vs Lom-Ali Nalgiev
Fight Location
Gdynia, Poland (Gdynia Arena)
Gdynia, Poland (Gdynia Arena)Duration3 x 5 min
Weights Matchup170 lbs vs 170 lbs
Lom-Ali Nalgiev Record at Bout (Opponent)17-7-0
Igor Michaliszyn Record at Bout5-1-0
Officials
Ref: Lukasz Bosacki
🥊 Action & Knockdowns:
Nalgiev landed an explosive counter punch during a heated exchange, knocking Michaliszyn out at 2:03 of the opening round.
WIN
Tomasz Romanowski
Poland
Poland
FEN 18 – Summer Edition
Aug / 12 / 2017
Decision (Unanimous)
Rnd 3 (5:00)
Aug / 12 / 2017
ROUND3
TIME5:00
METHODDecision (Unanimous)
Bout Specifications & Fight Financials
View Dossier
🥊 FEN Promotional Debut • Michaliszyn vs. Romanowski 1
FEN Debut
Fighter MatchupIgor Michaliszyn vs Tomasz Romanowski
Fight Location
Koszalin, Poland (Hala Widowiskowo-Sportowa)
Koszalin, Poland (Hala Widowiskowo-Sportowa)Duration3 x 5 min
Weights Matchup170 lbs vs 170 lbs
Tomasz Romanowski Record at Bout (Opponent)5-6-0
Igor Michaliszyn Record at Bout4-1-0
Officials
Ref: Piotr Michalak
🥊 Action & Knockdowns:
Michaliszyn out-struck and out-grappled tough striker Romanowski over three hard-fought rounds, earning a unanimous decision in his FEN promotional debut.
LOSS
Daniel Skibinski
Poland
Poland
VFCL 4 – Victory Fighting Championship League 4
Apr / 28 / 2017
Decision (Unanimous)
Rnd 3 (5:00)
Apr / 28 / 2017
ROUND3
TIME5:00
METHODDecision (Unanimous)
Bout Specifications & Fight Financials
View Dossier
🥊 VFCL 4 Main Card • Michaliszyn vs. Skibinski
Featured Bout
Fighter MatchupIgor Michaliszyn vs Daniel Skibinski
Fight Location
Racibórz, Poland (Arena Rafako)
Racibórz, Poland (Arena Rafako)Duration3 x 5 min
Weights Matchup170 lbs vs 170 lbs
Daniel Skibinski Record at Bout (Opponent)8-5-0
Igor Michaliszyn Record at Bout4-0-0
Officials
Ref: Lukasz Bosacki
🥊 Action & Knockdowns:
Skibinski used aggressive wrestling and ground control to hand Michaliszyn his first career loss via unanimous decision.
WIN
Piotr Wroblewski
Poland
Poland
Spartan Fight 6 – Piechota vs. Sokolis
Dec / 17 / 2016
Submission (Triangle Choke)
Rnd 2 (2:36)
Dec / 17 / 2016
ROUND2
TIME2:36
METHODSubmission (Triangle Choke)
Bout Specifications & Fight Financials
View Dossier
🥊 Spartan Fight 6 Feature • Michaliszyn vs. Wroblewski
Featured Bout
Fighter MatchupIgor Michaliszyn vs Piotr Wroblewski
Fight Location
Płock, Poland (Orlen Arena)
Płock, Poland (Orlen Arena)Duration3 x 5 min
Weights Matchup170 lbs vs 170 lbs
Piotr Wroblewski Record at Bout (Opponent)4-1-0
Igor Michaliszyn Record at Bout3-0-0
Officials
Ref: Lukasz Bosacki
🥊 Action & Knockdowns:
Michaliszyn locked up a triangle choke off his back during a ground scramble in round two, securing the submission tap at 2:36.
WIN
Radoslaw Tarnawa
Poland
Poland
Spartan Fight 4 – Bryczek vs. Siwy
Aug / 06 / 2016
Decision (Unanimous)
Rnd 3 (5:00)
Aug / 06 / 2016
ROUND3
TIME5:00
METHODDecision (Unanimous)
Bout Specifications & Fight Financials
View Dossier
🥊 Spartan Fight 4 Feature • Michaliszyn vs. Tarnawa
Featured Bout
Fighter MatchupIgor Michaliszyn vs Radoslaw Tarnawa
Fight Location
Bielsko-Biała, Poland (Dębowiec Hall)
Bielsko-Biała, Poland (Dębowiec Hall)Duration3 x 5 min
Weights Matchup170 lbs vs 170 lbs
Radoslaw Tarnawa Record at Bout (Opponent)3-0-0
Igor Michaliszyn Record at Bout2-0-0
Officials
Ref: Grzegorz Skibniewski
🥊 Action & Knockdowns:
Michaliszyn out-pointed undefeated prospect Tarnawa across 15 minutes of striking and grappling exchanges to earn a unanimous decision.
WIN
Mykhaito Hyelia
Ukraine
Ukraine
Spartan Fight 2 – Browarski vs. Polejay
Mar / 12 / 2016
Submission (Rear-Naked Choke)
Rnd 1 (4:32)
Mar / 12 / 2016
ROUND1
TIME4:32
METHODSubmission (Rear-Naked Choke)
Bout Specifications & Fight Financials
View Dossier
🥊 Spartan Fight 2 Feature • Michaliszyn vs. Hyelia
Featured Bout
Fighter MatchupIgor Michaliszyn vs Mykhaito Hyelia
Fight Location
Chorzów, Poland (Hala MORiS)
Chorzów, Poland (Hala MORiS)Duration3 x 5 min
Weights Matchup170 lbs vs 170 lbs
Mykhaito Hyelia Record at Bout (Opponent)0-0-0 (Debut)
Igor Michaliszyn Record at Bout1-0-0
Officials
Ref: Szymon Szotek
🥊 Action & Knockdowns:
Michaliszyn took Hyelia down, smoothly transitioned to back mount, and sank in a deep rear-naked choke to force a tap at 4:32 of round one.
WIN
Sebastian Swider
Poland
Poland
GOTC – Gladiators of the Cage 2
Sep / 11 / 2015
TKO (Punches)
Rnd 2 (2:42)
Sep / 11 / 2015
ROUND2
TIME2:42
METHODTKO (Punches)
Bout Specifications & Fight Financials
View Dossier
🥊 Professional Debut • Michaliszyn vs. Swider
Pro Debut
Fighter MatchupIgor Michaliszyn vs Sebastian Swider
Fight Location
Kraków, Poland (Hala Wisły)
Kraków, Poland (Hala Wisły)Duration3 x 5 min
Weights Matchup170 lbs vs 170 lbs
Sebastian Swider Record at Bout (Opponent)0-1-0
Igor Michaliszyn Record at Bout0-0-0 (Debut)
Officials
Ref: Lukasz Bosacki
🥊 Action & Knockdowns:
Making his professional MMA debut at age 19, Michaliszyn overwhelmed Swider with accurate combinations and ground strikes, earning a second-round TKO victory at 2:42.
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
