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

WPIAL Tournament

4 — Class 6A semifinals: Seneca Valley vs. Canon-McMillan, at Boyce Mayview Park

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

4 — 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

4 — Class 3A final: Karns City vs. St. Marys, at Brockway HS

Boys Lacrosse

WPIAL Tournament

8 — Class 2A championship: Mars vs. South Fayette, at Upper St. Clair HS (ppd. May 23)

Girls Lacrosse

WPIAL Tournament

6 — Class 2A championship: Chartiers Valley vs. Mars, at Upper St. Clair HS (ppd. May 23)

Thursday, May 22

Baseball

District 9 Tournament

3 — Class 3A championship: Karns City vs. St. Marys, at DuBois’ Stern Field

6:30 — Class 2A semifinals: Curwensville vs. Moniteau, at DuBois’ Showers Field (ppd. May 23)

Friday, May 23

Baseball

District 9 Tournament

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

District 10 Tournament

1:30 — Class 4A semifinals: Slippery Rock vs. Cathedral Prep, at Mercyhurst College

Boys Lacrosse

WPIAL Tournament

8 — Class 2A championship: Mars vs. South Fayette, at Upper St. Clair HS

Girls Lacrosse

WPIAL Tournament

6 — Class 2A championship: Chartiers Valley vs. Mars, at Upper St. Clair HS

Track and Field

9 a.m. — PIAA Championships at Shippensburg University

Boys Volleyball

WPIAL Tournament

6 — Class 2A third-place game: Mars vs. South Fayette, at Gateway HS

Auto Racing

7:30 — Lernerville Speedway: Fab4 Racing Revved UP

Saturday, May 24

Track and Field

9 a.m. — PIAA Championships at Shippensburg University

Boys Volleyball

WPIAL Tournament

1 — Class 3A championship: Seneca Valley vs. North Allegheny, at Peters Twp. HS