Mateusz Rebecki

Mateusz Tadeusz Rębecki (born October 3, 1992) is a Polish professional mixed martial artist. He currently competes in the Lightweight division of the Ultimate Fighting Championship (UFC). He is a former FEN Lightweight champion.

Mixed martial arts career Early career Rębecki made his professional debut on April 5, 2014, against Paweł Zegar. Rębecki won the fight via a first round submission.

Fight Exclusive Night After accumulating a record of 3–1, Rębecki made his debut with Fight Exclusive Night on July 31, 2015, against Jacek Kreft. Rębecki won the fight via a first round submission. This performance earned him a Submission of the Night bonus.

After over a year out, Rębecki returned on January 14, 2017, against Adam Golonkiewicz. Rębecki won the fight via Unanimous Decision.

His next fight came on August 12, 2017, against Dmitriy Golbaev. Rębecki won the fight via a third round submission.

FEN Lightweight Champion On March 10, 2018, Rębecki faced Marian Ziółkowski for the vacant FEN Lightweight championship. Rębecki won the fight via a fourth-round TKO. Rębecki won his first championship, and also earned himself a Knockout of the Night bonus.

His first title defense came on October 20, 2018, against Łukasz Kopera. Rębecki won the fight via a third-round TKO. This performance earned him his first Fight of the Night bonus.

His second title defense came on January 12, 2019, against Daguir Imavov. Rębecki won the fight via a first-round TKO.

His next fight was a one off fight on July 27, 2019, in the administrative region of Macau against Kaik Brito. Rębecki won the fight via a third-round TKO.

His third title defense came on January 18, 2020, against Magomed Magomedov. Rębecki won the fight via a second-round TKO.

His fourth title defense came on June 13, 2020, against Fabiano Silva. Rębecki won the fight via a first-round TKO.

His fifth title defense came on February 20, 2021, against Jose Barrios Vargas. Rębecki won the fight via a first round Knockout. This fight earned him his second Knockout of the Night bonus.

His sixth title defense came on October 16, 2021, against Felipe Maia. Rębecki won the fight via a first-round TKO.

His seventh and final title defense came on November 27, 2021, against Arkadiy Osipyan. Rębecki won the fight via Unanimous Decision.

Dana White's Contender Series On August 30, 2022, Rębecki faced Rodrigo Lídio in the sixth season of Dana White's Contender Series. Rębecki won the fight via a first round submission, and thus earned a UFC contract.

Ultimate Fighting Championship In his promotional debut, Rębecki was scheduled to face Omar Morales on January 14, 2023, at UFC Fight Night 217. However, Morales withdrew from the bout for undisclosed reasons and he was replaced by Nick Fiore. Rębecki won the fight via unanimous decision.

Rębecki faced Loik Radzhabov on June 24, 2023, at UFC on ABC 5. At the weigh-ins, Radzhabov weighed in at 157.25 pounds, one and quarter pounds over the lightweight non-title limit. The bout proceeded at catchweight and he was fined 20 percent of his purse, which went to Rębecki. Rębecki won the fight via a second-round TKO.

Rębecki was scheduled to face Nurullo Aliev on November 11, 2023, at UFC 295. However, Aliev withdrew from the event in early November due to injury and was replaced by returning veteran Roosevelt Roberts. At the weigh-ins, Roberts came in at 158 pounds (two pounds over the lightweight non-title bout limit). His bout with Rebecki proceeded at catchweight with Roberts forfeiting 20% of his purse. He won the bout in the first round via an armbar submission.

Rębecki was scheduled to face Joel Álvarez on April 27, 2024, at UFC on ESPN 55. However, Álvarez pulled out from the event due to undisclosed reasons and the bout was cancelled.

Rębecki faced Carlos Diego Ferreira on May 11, 2024, at UFC on ESPN 56. Rębecki lost the fight via a third-round TKO.

Rębecki faced Myktybek Orolbai on October 26, 2024, at UFC 308. Despite slated as a lightweight bout, it was changed to a 160 pounds catchweight. Rębecki won the fight via split decision. This performance earned him his first UFC Fight of the Night bonus.

Rębecki faced Chris Duncan on August 2, 2025, in the co-main event of UFC on ESPN 71. Rębecki lost the fight via unanimous decision. Despite the loss, he earned a Fight of the Night bonus.

Rębecki faced Ľudovít Klein on October 26, 2025, at UFC 321. He lost the fight by majority decision. This fight earned him another Fight of the Night award.

Rębecki faced Grant Dawson on May 9, 2026 at UFC 328. He lost the fight via a rear-naked choke in round three.

Rębecki faced Kyle Prepolec on August 1, 2026 at UFC Fight Night 283. He won the fight via technical knockout in round one.

Championships and accomplishments Mixed martial arts Ultimate Fighting Championship Fight of the Night (Three times)

Mixed martial arts record Win

Kyle Prepolec TKO (punches) UFC Fight Night: Medić vs. Rodriguez

Belgrade, Serbia Loss

Grant Dawson Submission (rear-naked choke) UFC 328

Newark, New Jersey, United States Loss

Ľudovít Klein Decision (majority) UFC 321

Abu Dhabi, United Arab Emirates Loss

Chris Duncan Decision (unanimous) UFC on ESPN: Taira vs. Park

Las Vegas, Nevada, United States Win

Myktybek Orolbai Decision (split) UFC 308

Abu Dhabi, United Arab Emirates Loss

Carlos Diego Ferreira TKO (punches) UFC on ESPN: Lewis vs. Nascimento

St. Louis, Missouri, United States Win

Roosevelt Roberts Submission (armbar) UFC 295

New York City, New York, United States Win

Loik Radzhabov TKO (punch) UFC on ABC: Emmett vs. Topuria

Jacksonville, Florida, United States Win

Nick Fiore Decision (unanimous) UFC Fight Night: Strickland vs. Imavov

Las Vegas, Nevada, United States Win

Rodrigo Lídio Submission (rear-naked choke) Dana White's Contender Series 52

Las Vegas, Nevada, United States Win

Arkadiy Osipyan Decision (unanimous) Fight Exclusive Night 37

Wrocław, Poland Win

Felipe da Silva Maia KO (punches) Fight Exclusive Night 36

Szczecin, Poland Win

Jose Barrios Vargas KO (punch) Fight Exclusive Night 32

Warsaw, Poland Win

Fabiano Silva TKO (punches) Fight Exclusive Night 28

Lublin, Poland Win

Magomed Magomedov TKO (elbows) Fight Exclusive Night 27

Szczecin, Poland Win

Kaik Brito TKO (punches and elbows) Battlefield FC 2

Macau SAR, China Win

Daguir Imavov TKO (corner stoppage) Fight Exclusive Night 23

Lubin, Poland Win

Łukasz Kopera TKO (punches) Fight Exclusive Night 22

Poznań, Poland Win

Marian Ziółkowski KO (punch to the body) Fight Exclusive Night 20

Warsaw, Poland Win

Dmitriy Golbaev Submission (armbar) Fight Exclusive Night 18

Koszalin, Poland Win

Adam Golonkiewicz Decision (unanimous) Fight Exclusive Night 15

Lubin, Poland Win

Jacek Kreft Submission (armbar) Fight Exclusive Night 8

Kołobrzeg, Poland Loss

Paweł Kiełek KO (punches) Gryf Arena Fight Night 2

Gryfice, Poland Win

Oleg Obrevko Submission (heel hook) MMA Koszalin 3: Poland vs. Ukraine

Koszalin, Poland Win

Semen Tyrlya Submission (heel hook) Arena Berserkerów 6

Police, Poland Win

Pawel Zegar Submission (heel hook) Gryf Arena Fight Night 1

Gryfice, Poland