IEM Season XV - World Championship

Group Stage:
Two double-elimination format groups
Each group has eight teams
Seeded using EPT Rankings & ESL World Rankings
All matches are Bo3
The top three teams from each group advance to the Playoffs:
Group stage winners advance to the Semifinals
Group stage runners-up advance to the Quarterfinals as the High Seeds
Group stage 3rd place teams advance to the Quarterfinals as the Low Seeds

Playoffs:
Single-Elimination bracket
The Quarterfinals & Semifinals are Bo3
The Grand Final is Bo5