The Butte High softball team will open the first Eastern AA Divisional tournament against Billings West at 11 a.m. Friday in Billings. (Tournament bracket)

Billings West swept the in a pair of doubleheaders during the regular season. The Bulldogs, though, have been playing their best ball late in the season.

The winner of the Butte High-West game will play Billings Skyview or Bozeman at 3 p.m. Friday. The Falcons and Hawks also play at 11.

The loser of the Butte-West and Skyview-Bozeman games will meet in a loser-out contest at 3 p.m. Friday.

On the other side of the bracket, Billings Senior will take on Great Falls Russell at 11 a.m. Regular-season champion Great Falls High earned a first-round bye.