See this week’s schedule of local sports across Butler County.

Check back daily for the latest scheduling updates during the PIAA spring postseason.

Monday, May 19

Baseball

WPIAL Tournament

4 — Class 6A first round: Butler vs. Norwin, at North Allegheny HS

7 — Class 6A first round: Mt. Lebanon vs. Seneca Valley, at North Allegheny HS

4 — Class 5A quarterfinals: Mars vs. Peters Twp., at Gateway HS

District 9 Tournament

4 — Class 3A semifinals: A-C Valley/Union vs. Karns City, at Punxsutawney’s Kuntz Memorial Field

Boys Lacrosse

WPIAL Tournament

7:30 — Class 2A semifinals: Hampton vs. Mars, at North Hills’ Martorelli Stadium

Girls Lacrosse

WPIAL Tournament

6 — Class 2A semifinals: Blackhawk vs. Mars, at North Hills’ Martorelli Stadium

Tuesday, May 20

Baseball

District 10 Tournament

4:30 — Class 4A first round: Fort LeBoeuf vs. Slippery Rock, at SRU

Softball

WPIAL Tournament

4 — Class 6A semifinals: Norwin vs. Seneca Valley, at Fox Chapel HS

District 9 Tournament

TBD — Class 2A first round: Moniteau at Redbank Valley

Boys Volleyball

WPIAL Tournament

6 — Class 3A semifinals: Penn-Trafford vs. Seneca Valley, at Fox Chapel HS

6 — Class 2A semifinals: Mars vs. Ambridge, at North Allegheny HS

Wednesday, May 21

Baseball

District 9 Tournament

TBD — Class 3A final: Karns City/A-C Valley vs. Brookville/St. Marys, at TBD

Thursday, May 22

Baseball

District 9 Tournament

6:30 — Class 2A semifinals: Curwensville vs. Moniteau, at DuBois’ Showers Field

Friday, May 23

Track and Field

9 a.m. — PIAA Championships at Shippensburg University

Auto Racing

7:30 — Lernerville Speedway: Fab4 Racing Revved UP

Saturday, May 24

Track and Field

9 a.m. — PIAA Championships at Shippensburg University