The boys from Waipahu, Hawaii, took control early in its 10-0 shutout Saturday of Pearland, Texas, with four runs in the first to claim the U.S. championship. Twelve-year-old Ezra Heleski struck out six and drove in two runs for the West region champs.
The Waipahu league is trying to win its second Little League title in three years.
Earlier Saturday, Japan had a dramatic 3-2 win in seven innings against Taiwan on Ryo Motegi's RBI single with two outs to take the international crown.
A team from Japan has advanced to the title game for the first time since 2007.
They will try to end the United States' five-year run as Little League champs.