The Shaw Raiders knocked off Carrollton, 61-59, Wednesday night thanks to a buzzer beater from Ramon Turner.
They will move on to face LaGrange on Friday in the Region 5-AAAA semifinals.
Meanwhile, Troup County saw their comeback attempt fall just short, 57-49, to Fayette County.
Trailing by eight to start the fourth quarter, the Tigers went on a 10-2 run to tie the game at 44, but managed to score just two points over the rest of the contest.
Fayette County will face Alexander on Friday.