The team played Saturday and lost 6-3 to a team from Grosse Pointe, Mich. If they had won, they would have moved on to the World Series.
The Little League World Series begins Thursday and will be televised on ESPN 2.
A watch party was held in Hinsdale to cheer on the boys, and several people gathered hours before the game started.
The team had been undefeated all season.