Each group is in double elimination format. 2 teams from each group will qualify to next round.
What's Double Elimination Format?
DE groupstage format means teams will play in order:
Match 1: Team A vs Team B
Match 2: Team C vs Team D
Match 3: Loser's Match (loser takes 4th place in group)
Match 4: Winner's Match (winner takes 1st place in group)
Match 5: Final match (winner of match 3 and loser of match 4 will play to determine 2nd/3rd place in group)
All games are Best of 1.