2026 Circuit X Curitiba Season 4 is an offline (LAN) Counter-Strike 2 (CS2) tournament held in Curitiba, Brazil, organized by Circuit X. Classified as a Liquipedia C-Tier and Valve Tier 2 event, the tournament is scheduled to run from October 21 to October 25, 2026. Features 8 teams competing in the main event, with a $20,000 prize pool.

Tournament Format

The Group Stage will be played in a GSL format, with all matches as best-of-three series.

Playoffs will be played in a single-elimination bracket, and all matches will be best-of-three series.