BARNESVILLE - Kenny Hess hit a buzzer-beater to send Bellaire past Barnesville.
Hess finished with 19 points and six assists. He was joined in double figures by Nathan Steele with 19, Tyler Ramsey with 17 points and seven rebounds, and Mike Neal with 10.
Zach Houston had 36 points and eight rebounds to lead the Shamrocks, who held the lead most of the game.
Issac McGee and Eric Nicholson had 15 each.