The 2023 Leagues Cup group stage was played from July 21 to 31, 2023.
[1] In each of the 15 groups, teams played against each other in a round-robin format.
[2] Besides the teams receiving byes, the top 15 remaining teams from each league were placed into groups in reverse order (for example, the 2nd-ranked MLS club was drawn against the 16th-ranked Liga MX club).
The remaining teams (13 MLS and 2 Liga MX) were drawn into groups and divided into geographical regions.
[2] If, at the end of the group stage, two or more clubs were tied in points, their positions in the table were determined according to a set of tie-breaking criteria.