ESL One Kuala Lumpur 2023 is part of the ESL tournament series. During the tournament, the top 12 teams will play for a prize pool of $1,000,000.

Participants:

• Twelve teams;

Group Stage:

• Two single round-robin groups of six teams each;
• All matches are Bo2;
• Top two teams from each group advance to upper bracket of playoffs;
• 3rd to 4th place teams from each group advance to lower bracket of playoffs;
• Remaining teams are eliminated;

Group Stage tiebreaker rules:

• If the tie is over a position of significance;
  • Two teams - a Bo3 will be played;
  • Three teams or more - a Bo1 round-robin will be played;
  • If the tiebreaker does not resolve following the first round of the round robin:
    • Three teams - the tiebreaker will be replayed;
    • Four teams or more - the matrix listed below will be used to resolve the tie, adding the information from the tiebreaker matches to those gathered during the group stage;
• For ties that are not over positions of significance (in order of importance):
  • Neustadtl score;
  • Head-to-head record between the tied participants taking only game score into account;
  • Record vs the first team below the tied teams, continuing to each subsequent team below the tied teams til the tie is resolved;
  • 1v1 tiebreakers;
• If there is with no schedule allowance and involves explicit elimination, then 1v1 tiebreakers will be played.

Playoffs:

• Double-elimination bracket;
• All matches except Grand Final are Bo3;
• Grand Final is Bo5.