Full fight footage: Marco Black Diamond vs Joao Victor Semifinal 1 | K-1 WORLD GP 2027 -90kg Brazil Qualifying Tournament Recorded live at K-1 WORLD GP 2026 -90KG in Brasilia at SOCIAL HALL AABB BRASILIA, Brasilia, Brazil on September 26, 2026. Organized by WGP Kickboxing. ▼ Follow the Fighters Marco Black Diamond https://www.instagram.com/marcoblackdiamond Joao Victor https://www.instagram.com/joao_victorpds ▼ 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 #K1WGP #Kickboxing #CombatSports #MartialArts #FullFight #90kg