Full fight footage: Kacper Muszynski vs Serhiy AdamchukK-1 WORLD MAX 2026 -70kg World Championship Tournament – Opening Round Recorded live at K-1 WORLD MAX 2026 at Yoyogi 2nd Gymnasium, Tokyo, Japan on September 12, 2026. ▼ Follow the Fighters Kacper Muszynski https://www.instagram.com/muszynski.k1cper/ Serhiy Adamchuk https://www.instagram.com/adamchukserhii ▼ Connect with K-1 online and on social: 🔴 Website: https://www.k-1.world/ 🔵 X: https://www.twitter.com/K1_ReBoot/ 🔵 Facebook: https://www.facebook.com/share/18ikyEPRWm/?mibextid=wwXIf 🟣 Instagram: https://www.instagram.com/k1worldwide/ #K1 #K1WORLDMAX2026 #K1MAX #Kickboxing #CombatSports #MartialArts #FullFight #70kg