Fargo emerged from the losers' bracket and became the American Legion Central Plains Regional champion Sunday, beating Excelsior 8-0 and 3-2 in Sioux Falls, S.D.
Excelsior had won four games in the tournament and had lost only two other games all season, finishing 56-4.
Fargo advances to the American Legion World Series, which begins Thursday in Shelby, N.C.
Tournament MVP Taylor Parrett pitched a five-hit shutout with 10 strikeouts in Fargo's 8-0 victory in the first game.
John Hanson was 3-for-3 for Excelsior.
In the second game, Brandt Kolpack's sacrifice fly in the sixth inning gave Fargo a 3-2 lead.
Michael Sturek had an RBI double for Excelsior.
Fargo (51-6) earned its first trip to the American Legion World Series since 1992.