Fiesta Series 1 is a European Counter-Strike 2 tournament featuring 24 teams competing for a $20,000 prize pool from August 18 to 30, 2026.

Tournament Format

Closed Qualifier will be played in a four double-elimination ( GSL ) format, and all matches are best-of-three series.

Play-In Stage will be played in a single-elimination bracket, and all matches are best-of-three series.

Main Stage will be played in a Swiss System Format and all matches are best-of-three series.

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