Artur Sowiński

Artur Sowiński (born March 26, 1987) is a Polish professional mixed martial artist and kickboxer. He currently competes in the Lightweight division. He is a former KSW Featherweight champion.

Mixed martial arts career Early career Sowiński made his professional debut on September 7, 2007 against Sonny Nielsen. Sowiński lost the fight via a first round submission.

After accumulating a record of 4–1, Sowiński faced future Bellator and UFC fighter, Marcin Held. Sowiński lost the fight via Majority Decision.

First KSW stint and Celtic Gladiator After racking up a record of 8–3, Sowiński joined KSW. In his first fight, he faced Danny van Bergen in the first round of the Lightweight Tournament. Sowiński lost the fight via a first round TKO.

His next fight came four months later against Paul Reed. Sowiński won the fight via a first round TKO.

He made his debut with Celtic Gladiator two months later against Carl Morley. Sowiński won the fight via a first round TKO.

His next fight with KSW came two months later against Cengiz Dana. Sowiński won the fight via Unanimous Decision.

A month later, he returned to the cage for Celtic Gladiator. He faced off against future UFC double champion, Conor McGregor. Sowiński lost the fight via a second round TKO.

His next fight came five months later against Maciej Jewtuszko under the KSW banner. Sowiński won the fight via a first round TKO, and also earned himself a Knockout of the Night bonus.

Second KSW Stint KSW featherweight champion After 7 fights, he faced Kleber Koike Erbst for the innagural KSW Featherweight championship. Sowiński won the fight via Unanimous Decision, and thus claimed his first career championship, and claimed a Fight of the Night bonus.

His first title defense came four months later against Fabiano Silva. Sowiński successfully retained his title via Unanimous Decision.

His next title defense came nine months later against Marcin Wrzosek. This time, however, Sowiński lost the fight after a doctor stoppage in the second round, and thus losing his championship.

Return to regionals 10 fights and 6 years later, it was announced that Sowiński was no longer a part of KSW. In his first fight outside of the promotion, he faced Anton Kuivanen for the vacant EFM Lightweight Championship. Sowiński won the fight via Majority Decision, and thus claimed his second career championship.

He returned to KSW for one more fight nine months later against Donovan Desmae. Sowiński lost the fight via a second round submission. Despite the loss, Sowiński earned a Fight of the Night bonus.

After officially leaving KSW, his next fight came five months later under the promotion Prime Show MMA. He faced Adam Okniński. Sowiński won the fight via Unanimous Decision.

His next fight came two months later for the promotion CAVEMMA. He faced Kamil Łebkowski. This fight was under the Pride Rules. Sowiński won the fight via Unanimous Decision.

His next fight came six months later for the promotion USWM. He faced Kamil Łebkowski in a rematch. This bout ended as a No Contest after Łebkowski delivered an illegal knee, and Sowiński was unable to continue.

His next fight came ten months later under the promotion The Warriors MMA. He faced Michał Kornacki. Sowiński won the fight via a first round TKO.

Following a year and a half hiatus, he returned on September 26, 2025 against Kacper Cholewa under Strife MMA. Sowiński lost the fight via a second-round TKO.

He returned two months later in a rematch against Patryk Chrobak under MMA Attack. The two faced a year prior in an exhibition boxing bout. This bout was Sowiński's Middleweight debut. The fight ended fifteen seconds in, after an accidental eye poke rendered Chrobak unable to continue, with the result being a no contest.

He returned three months later against Michał Kornacki in a rematch two years after their last bout under the promotion Dragon Fight Night. Sowiński won the fight via a first-round submission.

Kickboxing career Sowiński made his kickboxing debut on January 21, 2018 against Lubo Slovik. Sowiński won the fight via Unanimous Decision.

His next fight came four years later against Piotr Ćwik. Sowiński won the fight via Unanimous Decision.

His next fight came over a year later against Andreo Kolić. This fight was ruled a Draw.

His next fight came eight months later against Adrian Bolechnowicz. Sowiński won the fight via Unanimous Decision.

Bare-knuckle boxing career Sowiński made his bare-knuckle boxing debut on December 20, 2025 against Vaso Bakočević. The two previously met 11 years prior in an MMA bout. Sowiński won the fight via a first-round knockout.

His next fight came on May 23, 2026, against Adam Ugorski. Sowiński won the fight via a Unanimous Decision.

Championships and accomplishments Mixed martial arts Konfrontacja Sztuk Walki KSW Featherweight Championship (One time; former) One successful title defense Fight of the Night (Three times) Submission of the Night (One time) Knockout of the Night (One time)

EFM Show EFM Lightweight Championship (One time; former)

Mixed martial arts record Win

Michał Kornacki Submission (rear-naked choke) Dragon Fight Night 8

Tłuszcz, Poland NC

Patryk Chrobak NC (accidental eye poke) MMA Attack 6

Będzin, Poland Loss

Kacper Cholewa TKO (punches) Strife 15

Grodzisk Mazowiecki, Poland Win

Michał Kornacki TKO (retirement) The Wariors MMA 3

Mysłowice, Poland NC

Kamil Łebkowski NC (illegal knee) USWM MMA Cup 31

Grajewo, Poland Win

Kamil Łebkowski Decision (unanimous) CaveMMA 2

Jastrzębie-Zdrój, Poland Win

Adam Okniński Decision (unanimous) Prime Show MMA 4

Szczecin, Poland Loss

Donovan Desmae Submission (rear-naked choke) KSW 71

Toruń, Poland Win

Anton Kuivanen Decision (majority) EFM Show 2

Sofia, Bulgaria Loss

Sebastian Rajewski Decision (split) KSW 62

Warsaw, Poland Loss

Borys Mańkowski Decision (unanimous) KSW 57

Łódź, Poland Win

Gracjan Szadziński TKO (knees and punches) KSW 53

Warsaw, Poland Win

Vinicius Bohrer TKO (head kick and punches) KSW 52

Gliwice, Poland Loss

Norman Parke Decision (unanimous) KSW 49

Gdańsk, Poland Win

Kamil Szymuszowski Decision (unanimous) KSW 46

Gliwice, Poland Loss

Salahdine Parnasse Decision (unanimous) KSW 43

Wrocław, Poland Loss

Kleber Koike Erbst Submission (rear-naked choke) KSW 41

Katowice, Poland | Win

Łukasz Chlewicki Submission (triangle choke) KSW 38

Sękocin Nowy, Poland Loss

Marcin Wrzosek TKO (doctor stoppage) KSW 37

Kraków, Poland Win

Fabiano Silva Decision (unanimous) KSW 34

Warsaw, Poland Win

Kleber Koike Erbst Decision (unanimous) KSW 33

Kraków, Poland Win

Vaso Bakočević Decision (split) KSW 29

Kraków, Poland Win

Anzor Azhiev DQ (illegal knee) KSW 26

Warsaw, Poland NC

Anzor Azhiev NC (accidental clash of heads) KSW 24

Łódź, Poland Win

Michal Kozmer TKO (punches) Celtic Gladiator 6

Dublin, Ireland Loss

Maciej Jewtuszko Submission (brabo choke) KSW 21

Warsaw, Poland NC

Artem Lobov NC (overturned) Celtic Gladiator 5

Dublin, Ireland Loss

Curt Warburton Submission (arm-triangle choke) KSW 18

Płock, Poland Win

Maciej Jewtuszko KO (punches) KSW 17

Łódź, Poland Loss

Conor McGregor TKO (punches) Celtic Gladiator 2

Portlaoise, Ireland Win

Cengiz Dana Decision (unanimous) KSW 16

Gdańsk, Poland Win

Carl Morley TKO (punches) Celtic Gladiator 1

Portlaoise, Ireland Win

Paul Reed TKO (punches) KSW Extra 2

Ełk, Poland Loss

Danny van Bergen Decision (unanimous) KSW 14

Łódź, Poland Loss

Niko Puhakka Decision (unanimous) Fight Festival: Goes Kaisaniemi

Helsinki, Finland Win

Jan David TKO (punches) Extreme Fight Arena 1

Zielona Góra, Poland Win

Paweł Żydak Submission (triangle choke) International FC: Tsunami Tournament 1

Debrzno, Poland Win

Piotr Kurowski Submission (triangle choke) Bushido 6

Piła, Poland Win

Mateusz Piórkowski Submission (armbar) Polish Amateur MMA Association: Southern Poland Championships

Katowice, Poland Loss

Marcin Held Decision (majority) MMA Challengers 1

Mysłowice, Poland Win

Craig Jose Submission (rear-naked choke) 10th Legion - The War Machine

Kingston upon Hull, England Win

Keith Norton Submission (kimura) Ring of Truth 8

Trenčín, Slovakia Win

Zaurbek Muchaev KO (head kick) Pro Fight 3

Olsztyn, Poland Win

Daniel Tobolik Submission (triangle choke) Bytomska Gala MMA 1

Bytom, Poland Loss

Sonny Nielsen Submission (armbar) Nord Bohemia Ring 3

Česká Lípa, Czech Republic Kickboxing record

Exhibition boxing record

Bare-knuckle boxing record Win

Adam Ugorski Decision (unanimous) Fight Mode 1

Poznań, Poland Win

Vaso Bakočević KO (punch) FNC 26

Podgorica, Montenegro Submission grappling record

Result

Opponent Method Event Date Location Draw

Artur Piotrowski Decision (time limit) DWM Fight Night 2 March 23, 2024 Białogard, Poland Draw

Grzegorz Szulakowski Decision (time limit) Solo Combat Federation 4 February 24, 2023 Kępno, Poland