Monday

Baseball

Oil City at Karns City, 5:30 p.m.

Redbank Valley at Moniteau

Slippery Rock at West Middlesex, 4 p.m.

Softball

Peters Township at Butler, 4 p.m.

Boys Lacrosse

Butler at North Allegheny, 7 p.m.

Girls Lacrosse

Indiana at Knoch, 7 p.m.

Mars at Franklin Regional, 7:30 p.m.

Boys Tennis

Burrell at North Catholic, 3:30 p.m.

Tuesday

Baseball

Pine-Richland at Butler, 7:30 p.m.

Allderdice at Seneca Valley, 4 p.m.

Freeport at Knoch, 5:30 p.m.

Indiana at North Catholic, 4 p.m.

A-C Valley at Keystone, 4 p.m.

Softball

North Hills at Seneca Valley, 4 p.m.

Hampton at Knoch, 4 p.m.

Deer Lakes at Freeport, 4:15 p.m.

Highlands at Karns City, 5 p.m.

Redbank Valley at Moniteau, 4 p.m.

A-C Valley at Cranberry, 4:15 p.m.

Union at Keystone, 4 p.m.

Sharon at Slippery Rock, 4 p.m.

Track and Field

Shaler, North Allegheny at Butler, 3:45 p.m.

Knoch at Freeport, 3:30 p.m.

North Catholic, Eden Christian, Rochester at Western Beaver, 3:30 p.m.

Commodore Perry at Slippery Rock, 3:30 p.m.

Boys Lacrosse

Peters Township at Seneca Valley, 7:45 p.m.

Hampton at Knoch, 7 p.m.

Girls Lacrosse

Seneca Valley at North Allegheny, 7:30 p.m.

Freeport at Shady Side Academy, 6 p.m.

Boys Volleyball

Butler at Seneca Valley, 7:30 p.m.

Mars at Deer Lakes, 7:30 p.m.

Montour at North Catholic, 7:15 p.m.

Boys Tennis

WPIAL section doubles