Children's Mercy Park is a soccer-specific stadium in Kansas City, Kansas, United States, and is the home of Sporting Kansas City. The stadium is located near Kansas Speedway and it opened during the 2011 season of Major League Soccer on June 9, 2011 with a match against the Chicago Fire. The stadium has a seating capacity of 18,467 seats, which can expand to 25,000 for concerts. Most SKC games attract around 21,000 because of different stadium modes.