Mateusz Rębecki


Mateusz Tadeusz Rębecki is a Polish professional mixed martial artist. He currently competes in the Lightweight division of the Ultimate Fighting Championship. 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. 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.

Championships and accomplishments

Mixed martial arts

Ultimate Fighting Championship