2021 EPIC CIS League Spring is an Online CS: GO tournament featuring teams from CIS, Russian Esports Federation (RESF) with the support of Epic Esports Events will hold the first CS: GO tournament for CIS and Oceania in 2021. With a prize pool of $40,000.
The tournament will kick off with Qualifying rounds, the qualifier stage will be played in single-elimination best-of-one series, followed by a closed qualifying round where the format is yet to be announced.
The group stage will be played in Swiss format.
Playoffs will be played in the double-elimination best-of-three series.