The Haughton Bucs, Parkway Panthers and Plain Dealing Lions posted victories Friday.
Haughton closed the regular season with a doubleheader sweep of Harrisburg, Ark., 20-1 and 14-0, at Haughton.
Junior Colin Rains broke the school single-season doubles record with his 17th. Haughton assistant coach Justin Ginn set the previous record in 2007.
The Bucs (26-6) are No. 7 in the Class 5A power rankings, according to GeauxPreps.com. They will host a first-round playoff game next week.
Pairings will be announced Sunday. First-round games must be played by Wednesday.
Parkway completed the regular season with a 9-3 victory over Zwolle at Parkway.
The Panthers (21-13) are No. 12 in the power ratings. They will likely finish in the top 16 and host a first-round game.
Airline fell to Neville, No. 2 in the Class 4A ratings, 7-5 in its final regular-season game in Monroe.
The Vikings (18-13) are on the bubble to host a first-round game at No. 16 in the power ratings.
Plain Dealing defeated Lincoln Prep 13-3 at home. The Lions (8-11) are No. 18 in the Class 1A ratings.
At Parkway, Tanner Kirkland, Zach Schoenborn, Barrett Newman and Trenton Lape all had two hits.
Lape hit a solo home run.
Kirkland had a double and two RBI. Schoenborn also had a double.
Ashton Martin had a triple. Maddox Cockerham had a double.
Starter Shawn Driggers allowed just one hit and struck out eight in 4 innings.
At Neville, Harrison Waxley went 3-for-4 with a double. Clayton Brandon and Tyler Ferguson both went 2-for-4.
At Plain Dealing, Braeden Sterling went 2-for-2. Colton Davis drew three walks.
Reagan Foster gave up three hits and struck out eight in the five-inning game.