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KSW 123: Bartosiński vs Łopaczyk

STARTS IN··d ··h ··m
Netto Arena, Szczecin
Adrian BartosinskiAdrian BartosinskiPoland19-1-0
-474+338
Welterweight · 5 rounds
Tymoteusz LopaczykTymoteusz LopaczykPoland14-4-0
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Running order

Your time · estimated from the usual gap between bouts

Main cardKazieczkoKawaSzczepaniakSzczepaniakRomanowskiBertholds-FleminasMirceaBartosinskiFirst bout2 prelimsMain eventMaciej Kazieczko vs Bohdan Danylko

Main card

  1. Adrian BartosinskiPoland19-1-0
    Welterweight· Title bout
    -474
    +338
    #3Tymoteusz LopaczykPoland14-4-0

    Sportsbooks' favorite: Bartosinski (78%)

    Power Index 69%31%
    Sportsbooks (consensus) 78%22%
    Analyze matchup →
  2. Valeriu Mircea#1Moldova32-9-1
    Lightweight· Title bout
    -122
    -102
    #2Marcin HeldPoland31-11-0
  3. Madars Bertholds-FleminasLatvia14-8-0
    Welterweight
    -236
    +188
    #10Mateusz PawlikPoland7-3-0
  4. Tomasz Romanowski#10Poland19-12-0
    Middleweight
    +112
    -150
    Igor MichaliszynPoland12-4-0
  5. Artur Szczepaniak#4Poland13-4-0
    174 lb Catchweight
    Michal HirPoland5-1-0
  6. Oskar SzczepaniakPoland7-3-0
    Welterweight
    -299
    +238
    Steven KrtCzechia7-4-0

Preliminary card

  1. Wojciech KawaPoland9-5-0
    Lightweight
    +135
    -174
    Oleksandr MoisaUkraine5-2-0
  2. Maciej KazieczkoPoland9-5-0
    Lightweight
    Bohdan DanylkoUkraine8-1-0

Cancelled fights

  1. CANCELLEDKamil Szkaradek vs Bruno AzevedoBantamweight
  2. CANCELLEDArtur Szczepaniak vs Steven KrtWelterweight

KSW 123: Bartosiński vs Łopaczyk is an MMA event from KSW, scheduled for Saturday, November 21, 2026 at Netto Arena, Szczecin, Poland. A championship title is on the line. 123 is part of KSW's numbered event series. 8 fights are scheduled across the card. The main event features Adrian Bartosinski (19-1-0) vs Tymoteusz Lopaczyk (14-4-0) in the Welterweight division. Bout order and start times can shift during fight week, this page updates automatically as KSW confirms changes.

Card changes

Late changes to this card, most recent first.

  1. New fightArtur Szczepaniak vs Michal Hir added to the card174 lb Catchweight
  2. New fightMaciej Kazieczko vs Bohdan Danylko added to the cardLightweight
  3. OffArtur Szczepaniak vs Steven Krt is off the cardWelterweight
  4. OffKamil Szkaradek vs Bruno Azevedo is off the cardBantamweight
  5. New fightMadars Bertholds-Fleminas vs Mateusz Pawlik added to the cardWelterweight
  6. TimeStart time: →
  7. New fightTomasz Romanowski vs Igor Michaliszyn added to the cardLight Heavyweight
  8. New fightArtur Szczepaniak vs Steven Krt added to the cardWelterweight
  9. New fightWojciech Kawa vs Oleksandr Moisa added to the cardLightweight
  10. New fightOskar Szczepaniak vs Steven Krt added to the cardMiddleweight
  11. New fightKamil Szkaradek vs Bruno Azevedo added to the cardBantamweight
  12. New fightValeriu Mircea vs Marcin Held added to the cardLightweight

How to watch KSW 123: Bartosiński vs Łopaczyk →

Start time around the world

Main card start converted to major time zones · prelims in parentheses where announced. Every listed time is the same moment.

  • New YorkESTSat, Nov 21, 2:00 PM
  • Los AngelesPSTSat, Nov 21, 11:00 AM
  • LondonGMTSat, Nov 21, 7:00 PM
  • BerlinGMT+1Sat, Nov 21, 8:00 PM
  • MoscowGMT+3Sat, Nov 21, 10:00 PM
  • TokyoGMT+9Sun, Nov 22, 4:00 AM
  • SydneyGMT+11Sun, Nov 22, 6:00 AM