The final took place on October 5, with Seattle Sounders FC defeating the Columbus Crew 2–1 at Qwest Field in Seattle, WA, in front of a U.S. Open Cup record crowd of 31,311. The Sounders became the first MLS team (and first team in 27 years) to win back-to-back Open Cups.[2]
The tournament consisted of 40 teams. Eight teams each from the MLS, PDL, and USASA qualified according to their own procedures. All 15 American D-2 Pro league and USL Second Division teams qualified. The final slot went to the winner of a one-game playoff between the Sonoma County Sol and PSA Los Gatos Storm.[3]
Match pairings were determined by a blind draw. The Second round winners advanced to play one of eight MLS clubs in 16-team knockout tournament. Home teams listed on top of bracket