Oakland blacked Blackman by a 22-0 score in the second round of the TSSAA Class 6A playoffs on Friday.
Running back Jeron Rooks rushed 15 times for 50 yards and a touchdown, and had four catches for 96 yards and another score.
Quarterback Brevin Linnel threw for 136 yards and had a touchdown passing and rushing.
Blackman (9-3) saw its season end. Two of its losses were to Oakland.
The Patriots (12-0) face Cookeville (10-2) next Friday.