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The 2018–19 CONCACAF Champions League qualifying phase and play-off round began on 26 June and is scheduled to end on 29 August 2018.
A total of 53 teams are competing in the qualifying system of the 2018–19 CONCACAF Champions League, which includes the qualifying phase and the play-off round, with 43 teams in Champions Path and 10 teams in League Path. The six winners in the play-off round (four from Champions Path, two from League Path) advance to the group stage, to join the 26 teams that enter in the group stage.
Times are Eastern Time (UTC−4 in Spring and Summer, and UTC−5 in Autumn and Winter), as listed by CONCACAF (local times, if different, are in parentheses).
The Champions Path includes all league champions which do not qualify directly for the group stage, and consists of the following rounds:
Preliminary round (7 teams playing one-legged semi-finals and final): 7 teams which enter in this round.
First qualifying round (32 teams): 31 teams which enter in this round, and 1 winner of the preliminary round.
Second qualifying round (20 teams): 4 teams which enter in this round, and 16 winners of the first qualifying round.
Third qualifying round (12 teams): 2 teams which enter in this round, and 10 winners of the second qualifying round.
Play-off round (8 teams): 2 teams which enter in this round, and 6 winners of the third qualifying round.
All teams eliminated from the Champions Path enter the SuperLiga:
The 3 semi-final/final losers of the preliminary round and the 16 losers of the first qualifying round enter the Champions Path second qualifying round.
A total of 32 teams were involved in the first qualifying round draw: 31 teams entering in this round, and the winners of the preliminary round. They were divided into three groups: two of ten teams, where five teams were seeded and five teams were unseeded, and one of twelve teams, where six teams were seeded and six teams were unseeded.
† Winners of the preliminary round. Teams in italics defeated a team with a higher coefficient, thus effectively taking the coefficient of their opponent in the draw.
A total of 24 teams were involved in the second qualifying round draw.
Champions Path: four teams entering in this round, and the 16 winners of the first qualifying round. They were divided into two groups of ten teams, where five teams were seeded and five teams were unseeded.
League Path: four teams entering in this round. Two teams were seeded and two teams were unseeded.
† Winners of the first qualifying round. Teams in italics defeated a team with a higher coefficient, thus effectively taking the coefficient of their opponent in the draw.
A total of 20 teams were involved in the third qualifying round draw.
Champions Path: two teams entering in this round, and the 10 winners of the second qualifying round Champions Path. Six teams were seeded and six teams were unseeded.
League Path: six teams entering in this round, and the two winners of the second qualifying round League Path. Four teams were seeded and four teams were unseeded. Teams from Ukraine and Russia could not be drawn into the same tie, and if such a pairing was drawn or was set to be drawn in the final tie, the second team drawn in the current tie would be moved to the next tie.
† Winners of the second qualifying round. Teams in italics defeated a team with a higher coefficient, thus effectively taking the coefficient of their opponent in the draw.