The semifinals -LRB- July 21 -RRB- and the final -LRB- July 24 -RRB- of the 12-nation regional tournament , which includes teams from South Africa and Colombia , will be played at Giants Stadium in East Rutherford , N.J . The United States will open play in Group B against Cuba on July 7 at Qwest Field in Seattle , then play Canada on July 9 in Seattle before playing Costa Rica on July 12 in Foxboro , Mass . .