Chattanooga Christian led at the end of the first quarter and the half, but wound up losing 64-46 to Upperman High School in regional quarterfinals on Saturday night.
CCS led 13-11 at the quarter and went into the intermission up 31-25.
Upperman was ahead 41-39 by the close of the third quarter and had a fourth quarter surge to win going away.
The Bees' big second half led them to advance to a Tuesday night contest with Livingston Academy, which upset Notre Dame 59-54.
The game will be played at Tennessee Tech.
CCS, led by coach Eddie Salter, ends its season at 25-4.
Josh Endicott scored 29 points for Upperman. Austyn McWilliams had 18.
For CCS, Ryan Rhodes had 17 and Michael Houge scored 11.