The Brazilian Challenger Circuit, or Circuito Desafiante, is the second league of Brazil and organized by Riot and Promo Arena. The league allows lower level teams to compete for a coveted spot in the next split of the CBLOL. After a Eight-week Round Robin, the top 4 teams (out of 6) qualify for a playoff run, in which the winner will be determined.
- Teams will play in one round-robin group.
- The top four teams advance to the playoffs.
- All matches are best-of-one
- The single-elimination bracket will feature best-of-five matches