All fighters weighed-in Friday morning ahead of XTB KSW 81 on Saturday night, April 22, live from the Arena Lodowa in Tomaszów Mazowiecki, Poland. 

The vacant welterweight title fight was confirmed as both Adrian Bartosinski (12-0) and Artur Szczepaniak (9-1) made weight. Both men are undefeated in KSW and aim to become the next welterweight champion.

The co-main event will feature an explosive heavyweight contest between European kickboxing legends as Poland's Tomasz Sarara (1-1) collides with the Netherlands' Errol Zimmerman (0-1) under MMA rules.

The XTB KSW 81 ceremonial weigh-ins will be available to watch live today from 6pm CEST | 5pm BST on the official KSW YouTube channel! 

XTB KSW 81 Weigh-In Results

Main Event
Vacant KSW Welterweight Title
Adrian Bartosinski (77.1 kg/170 lb) vs. Artur Szczepaniak (77.1 kg/170 lb)

Co-Main Event
Heavyweight
Tomasz Sarara (106 kg/234 lb) vs. Errol Zimmerman (118.9 kg/262 lb)

Welterweight
Igor Michaliszyn (77.3 kg/170 lb) vs. Krystian Bielski (77.6 kg/171 lb)

Bantamweight
Werlleson Martins (61.5 kg/136 lb) vs. Patryk Surdyn (61.5 kg/136 lb)

Flyweight
Karolina Owczarz (57.2 kg/126 lb) vs. Adrianna Kreft (57 kg/126 lb)

Welterweight
Marcin Krakowiak (77.6 kg/171 lb) vs. Henry Fadipe (77.1 kg/170 lb)

Heavyweight
Kamil Gawryjolek (107.3 kg/236 lb) vs. Olegs Jemeljanovs (108.7 kg/240 lb)

Strawweight
Sofiia Bagishvili (52.5 kg/116 lb) vs. Maria Silva (52 kg/115 lb)

Heavyweight
Filip Stawowy (119.8 kg/264 lb) vs. Marek Samociuk (118.1 kg/260 lb)

Featherweight – First Fight
Josef Stummer (66.2 kg/146 lb) vs. Jonatan Kujawa (66.1 kg/146 lb)

XTB KSW 81 will be available to watch live around the world on www.KSWTV.com & the KSW App and exclusively on Viaplay in the UK, Poland, the Netherlands, Scandinavia, and the Baltics.