The unbeaten Massac County Patriots pushed home the lone run of the game in the bottom of the 10th inning, surviving an upset bid by the Red Bud Musketeers 1-0 Wednesday in a Class 2A Du Quoin Softball Sectional semifinal.
The Patriots (30-0) will play the defending Class 2A state champion Nashville Hornettes (34-4) at 11 a.m. Saturday in the sectional championship game.
Nashville advanced to the title game with an 8-0 win over West Frankfort in the completion game that was suspended on Tuesday with Nashville leading 4-0.
The top-seeded Columbia Eagles and the second-seeded Waterloo Bulldogs finalized their appointment in the championship game of the Class 3A Columbia Regional.
The Eagles beat Althoff 8-0, while the Bulldogs beat Freeburg 10-1.
The Crusaders managed only two hits off Columbia pitcher Kaitlyn Grohman as Ashley Gagen and Tory Lanaghan all singled.
Tiffany Harbison allowed one hit over three innings to pick up the win for the Bulldogs.
Annie Crouch, Taylor Krekorian, Bryce Latchem and Taylor Yearian paced Waterloo's 12-hit assault with two hits apiece. Crouch also drove in three runs.
The Eagles (28-5) will square off against the Bulldogs (16-12) at 11 a.m. Saturday.
At the Triad Regional, the host Knights got a one-hitter from pitcher Kelsey Bailey in beating the Civic Memorial Eagles 4-0.
Bailey struck out 10 and walked four. The lone hit she allowed was infield single by T.J. Smith in the top of the third.
The Knights collected 11 hits, including two each by Jordyn Alford, Alleigh Kruse and Avery Myers.
Both Edwardsville and Alton rolled to victories in the semifinals of the Class 4A Granite City Regional.
The second-seeded Tigers blanked Quincy 10-0, while the top-seeded Redbirds routed Granite City 24-1.
The Tigers got homers from Olivia Nicholls and Ari Arnold to lead an eight-hit attack.
Edwardsville pitcher Amber Toenyes threw a five-inning one-hitter. She struck out seven and walked one.
The Tigers (28-3) will play the Redbirds (29-5) at 11 a.m. Saturday at Wilson Park in the championship game of the regional.
The teams split their two Southwestern Conference meetings this season.