About M1 Grands - Season 1 Esports Tournament

Stay up-to-date with M1 Grands - Season 1, the premier Rainbow Six Siege esports tournament organized by Cas. Explore comprehensive details including the 400 prize pool, official schedule from Oct 14, 2025 to Dec 12, 2025, and the highly anticipated matches.This live offline event takes place at North America, bringing together the best competitive talent in the world.Zero1Gaming provides full coverage of M1 Grands - Season 1, including live match scores, bracket updates, viewer predictions, and real-time community discussions. Watch the official broadcasts, earn rewards by making correct tournament predictions, and support your favorite teams and players as they battle for the championship title. Whether you are following the group stages or the grand finals, Zero1Gaming is your ultimate destination for all Rainbow Six Siege competitive esports action.