Summerlin South defeated Utah, 6-3, in the Mountain Region tournament final to advance to the Little League World Series. The Mountain representatives join Connecticut as the only undefeated American teams left in Williamsport, and Summerlin South has not lost a postseason game this entire summer, according to the Las Vegas Review-Journal.

Fairfield, Connecticut pulled away late on Monday, sending Sioux Falls to the loser’s bracket with a 13-1 win. South Dakota will now look to keep their season alive against Bonney Lake, Washington. That game is set for Tuesday at 6 p.