The 2004 Lamar Hunt U.S. Open Cup ran from June through September, 2004, open to all soccer teams in the United States. The Kansas City Wizards won the 2004 tournament with a 1-0 golden-goal victory over the Chicago Fire. Kansas City missed out on a domestic double when the Wizards lost MLS Cup 2004. The Open Cup tournament was highlighted by A-League side Charleston Battery reaching the semifinals, one of four USL teams to beat Major League Soccer teams.



