The International 2026 CQ SEA is a closed qualifier for teams from Southeast Asia, organized by Valve, where participants compete for 1 slot at The International 2026.

Participants:

• Eight teams;
  
  • 5 invited teams;
  • 5 teams from the open qualifiers.

Format:

• Double-elimination bracket;
• All matches are Bo3, except for the grand final, which is Bo5;
• 1 team qualifies for The International 2026.