Blackman's boys improved to 30-0 with a hard-fought 53-47 victory over La Vergne in the semifinals of the Region 4-AAA tournament on Tuesday night.
The Blaze advanced to the championship game and will face Lawrence County on Thursday night at 7.
Oakland's boys were not as fortunate as they fell 57-54 to Lawrence County and saw their season come to an end.
In Region 5-A play, MTCS' boys upset top-seeded Huntland 74-67 to reach the championship game against Nashville Christian.
All teams are guaranteed a Sectional berth, but the winners will earn a home game on Monday night.