CONCACAF Champions League 2009-10: The Preliminary Round

Below are collated results for the preliminary round of the 2009-10 CONCACAF Champions League. Ties are a two-match, home-and-away series, higher aggregate score wins, and away goals count. If aggregate and away goals are level, a 30-minute extra time period is played with penalties if necessary. First leg home team score is listed first for both legs.