Joliet's Taylor Rowlison drives to the basket against Lodge Grass' Ethan Dust.

BILLINGS — Sixteen teams took the court Thursday for the opening round of the Southern B boys and girls divisional basketball tournament at Rimrock Auto Arena.

The boys bracket saw Three Forks and Roundup advance to one semifinal, while Big Timber and Lodge Grass will meet in the other.

In girls action, Colstrip and Jefferson won thrilling first round games to set up a semifinal. Three Forks remained unbeaten and takes on Roundup Friday at 8 p.m.

Kelly Morris Photography took in the action in Billings. His photo gallery can be seen below.