OPS 69 uses a 32-team double-elimination bracket. Early rounds are BO1, with semifinals, bracket finals, grand final and reset played as BO3 where required.
Tournament regulations
Know the rules. Own the game.
Read the official OPS69 Merdeka Edition Rulebook v1.0 before your first match. The PDF is the authoritative tournament rulebook; the sections below are a quick summary.
