The 2010 Lamar Hunt U.S. Open Cup was the 97th edition of the USSF's annual national soccer championship, running from June through early October.
The tournament proper featured teams from the top five levels of the American Soccer Pyramid.
[1] 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 final slot went to the winner of a one-game playoff between the Sonoma County Sol and PSA Los Gatos Storm.
The Second round winners advanced to play one of eight MLS clubs in 16-team knockout tournament.