The 2004 Open Canada Cup was the 7th edition of the Canadian Professional Soccer League's open league cup tournament running from late May through early September. Windsor Border Stars defeated Ottawa St. Anthony Italia 4-3 in a penalty shootout in the final played at Cove Road Stadium, London, Ontario. The victory marked Windsor's first piece of silverware and became the second expansion club to win the open tournament in their debut season. Ottawa also recorded a milestone by becoming the first amateur team to reach the finals. The tournament expanded to include a record number of 24 clubs throughout Ontario.