KSW 113: Bartosiński vs. Tulshaev is a mixed martial arts event to be held by Konfrontacja Sztuk Walki on December 20, 2025, at the Atlas Arena in Łódź, Poland.
Fight Card
Main card
Welterweight 77 kg Poland Adrian Bartosiński (c) vs. Germany Muslim Tulshaev Welterweight Championship
Middleweight 84 kg Poland Paweł Pawlak (c) vs. France Laïd Zerhouni Middleweight Championship
Heavyweight 120 kg Poland Artur Szpilka vs. Czech Republic Michal Martínek
Catchweight 100 kg Poland Adam Josef vs. Poland Piotr Lisek
Middleweight 84 kg Poland Michał Michalski vs. Poland Damian Janikowski
Heavyweight 120 kg Brazil Augusto Sakai vs. Poland Marcin Wójcik
Welterweight 77 kg France Romain Debienne vs. Poland Wiktor Zalewski
Bantamweight 61 kg Poland Patryk Surdyn vs. Venezuela Marcelo Morelli
Preliminary card (YouTube)
Lightweight 70 kg Poland Igor Włodarczyk vs. Poland Artur Krawczyk
Featherweight 66 kg France Souheil Kaouchen vs. Poland Krzysztof Geburek
Background
Polish Power Play: Two Titles on the Line at KSW 113 in Łódź
Konfrontacja Sztuk Walki (KSW), Europe's premier mixed martial arts organization, brings its thunderous spectacle back to the Atlas Arena in Łódź, Poland, for KSW 113: Bartosiński vs. Tulshaev on December 20, 2025. This massive year-end event features a spectacular double championship header and a card stacked with Polish superstars, international heavy hitters, and Olympic medalists.
Main Event: The Welterweight Championship Showdown
The headline attraction is for the Welterweight Championship (77 kg) as the undefeated Polish champion Adrian Bartosiński (15-0-0) defends his title against the surging German knockout artist Muslim Tulshaev (11-2-0). Bartosiński has proven to be a devastating force, steamrolling the division with an astonishing 93% finishing rate, demonstrating fight-ending power in his hands and a suffocating ground game. He faces a serious threat in Tulshaev, who is riding a phenomenal six-fight win streak, with all those victories coming via first-round knockout or TKO. This clash of titans pits the champion’s flawless record and finishing prowess against the challenger’s proven, explosive first-round power, promising an absolute war for the 170-pound crown.
Co-Main Event: Middleweight Title Defense
The action continues in the co-main event for the Middleweight Championship (84 kg) as Polish champion Paweł Pawlak (23-5-1) defends his gold against the French knockout artist Laïd Zerhouni (13-8-0). Pawlak, a veteran with elite striking and grappling, has been dominant since claiming the title. He meets the heavy-handed Zerhouni, who has consistently shown fight-ending power and durability. This is a crucial title defense for Pawlak as he looks to cement his legacy against a hungry international challenger.
Star-Studded Heavyweight Collision
Adding immense star power, the card features a colossal Heavyweight (120 kg) clash as Polish boxing sensation Artur Szpilka meets the tough Czech veteran Michal Martínek (11-4-0). Szpilka, a professional boxer transitioning to MMA, has showcased surprising power in the cage, making this a must-watch crossover contest. Furthermore, former UFC Heavyweight contender Augusto Sakai (16-5-1) makes his KSW debut against Polish veteran Marcin Wójcik (10-8-0) in another high-impact Heavyweight bout.
The main card is further stacked with a thrilling catchweight bout (100 kg) between Polish athletes Adam Josef and Piotr Lisek. An unmissable Middleweight contest (84 kg) also features Olympic Bronze Medalist wrestler Damian Janikowski (10-5-0) taking on the tough Michał Michalski (11-5-0).
KSW 113 is set to deliver an unforgettable night of high-stakes MMA, championship drama, and heavy-hitting action as the organization closes out the year in spectacular fashion.
