The IHSA Class 1A and 2A baseball and softball postseason opens today with Regional quarterfinal action across the state. Here's a look at the first matchups of the spring postseason.

Class 1A Baseball Regional quarterfinal action....

At Armstrong

Armstrong 4:30pm

Champaign St. Thomas More

At Astoria

Astoria 4:30pm

Illini Central

At Cerro Gordo

Cerro Gordo 4:30pm

Champaign Judah Christian

At Danville Schlarman

Danville Schlarman 4:30pm

Fisher

At Hartsburg-Emden

Hartsburg-Emden 4:30pm

Peoria Quest Charter Academy

At Heyworth

Heyworth 4:30pm

Bloomington Cornerstone Christian Academy

At Lexington

Lexington 4:30pm

Ridgeview

At Meridian

Meridian 4:30 pm

Arcola

At Central A & M

Central A & M 4:30pm

Kansas

Class 1A Softball Regional quarterfinal action....

At Astoria .

Astoria 4:30pm

Delavan

At Mt. Pulaski

Mt. Pulaski 4:30pm

Champaign St. Thomas More

At Nokomis

Nokomis 4:30pm

Bethany Okaw Valley

Class 2A Regional Softball quarterfinal action...

At Dee-Mack

De-Mack 4:30pm

Eureka

At Monticello

Monticello 4:30pm

Warrensburg-Latham

At Riverton

Riverton 4:30pm

Athens

At Shelbyville

Shelbyville 4:30pm

Sullivan