High schools

Baseball

WPIAL playoffs

Class 6A

Quarterfinals

Monday’s schedule

Mt. Lebanon (12-7) vs. Butler (17-3) at North Allegheny, 7 p.m.; Central Catholic (9-11) vs. Norwin (12-8) at Gateway, 7 p.m.; Seneca Valley (10-10) vs. Canon-McMillan (15-5) at Boyce Mayview Park, 4 p.m.; Hempfield (10-10) vs. North Allegheny (12-7) at Boyce Mayview Park, 7 p.m.

Class 5A

Quarterfinals

Tuesday’s schedule

Pine-Richland (16-5) vs. Montour (16-5) at North Hills, 4 p.m.; Moon (16-4) vs. Upper St. Clair (11-8) at Ross Memorial Park, 6:30 p.m.; Penn-Trafford (16-5) vs. South Fayette (12-9) at West Mifflin, 6:30 p.m.; Thomas Jefferson (17-4) vs. Bethel Park (13-8) at West Mifflin, 4 p.m.

Class 4A

Quarterfinals

Monday’s schedule

Knoch (13-8) vs. Indiana (15-4) at Gateway, 4 p.m.; Hampton (13-8) vs. Derry (8-9) at Plum, 7 p.m.; West Mifflin (14-6) vs. Elizabeth Forward (14-6) at Norwin, 4 p.m.; Hopewell (15-5) vs. Valley (14-5) at West Mifflin, 6:30 p.m.

Class 3A

Quarterfinals

Tuesday’s schedule

Avonworth (16-5) vs. Charleroi (12-8) at Ross Memorial Park, 4 p.m.; Freeport (18-1) vs. South Park (15-5) at Plum, 6 p.m.; South Allegheny (10-9) vs. Riverside (11-7) at Gateway, 4 p.m.; Ellwood CIty (16-3) vs. Burrell (11-9) at Pullman Park, 6:30 p.m.

Class 2A

Quarterfinals

Monday’s schedule

California (14-6) vs. Fort Cherry (16-1) at Peterswood Park, 6:30 p.m.; Laurel (11-6) vs. Riverview (13-6) at North Allegheny, 4 p.m.; Apollo-Ridge (12-8) vs. Neshannock (16-3) at Pullman Park, 7 p.m.; New Brighton (9-7) vs. South Side (14-3) at Pullman Park, 4 p.m.

Class A

Quarterfinals

Monday’s schedule

Carmichaels (9-9) vs. Eden Christian (13-4) at Ross Memorial Park, 6:30 p.m.; Bishop Canevin (7-12) vs. Western Beaver (11-3) at Peterswood Park, 4 p.m.; Jefferson-Morgan (12-9) vs. Greensburg Central Catholic (15-0) at Ross Memorial Park, 4 p.m.; Aquinas Academy (11-5) vs. Serra Catholic (12-7) at West Mifflin, 4 p.m.

Lacrosse

Boys

WPIAL playoffs

Semifinals

Monday’s schedule

Mt. Lebanon (15-1) vs. Pine-Richland (10-7) at Martorelli Stadium, 8 p.m.; Fox Chapel (15-2) vs. Shady Side Academy (9-5) at Avonworth, 8 p.m.

Class 2A

Semifinals

Monday’s schedule

Peters Township (15-2) vs. South Fayette (12-3) at North Allegheny, 6 p.m.; Hampton (14-4) vs. Mars (13-4) at Avonworth, 6 p.m.

Girls

WPIAL playoffs

Class 3A

Semifinals

Monday’s schedule

Mt. Lebanon (15-1) vs. Fox Chapel (12-2) at Martorelli Stadium, 6 p.m.; Pine-Richland (15-3) vs. Upper St. Clair (12-2) at Fox Chapel, 6 p.m.

Class 2A

Semifinals

Monday’s schedule

Mars (17-1) vs. South Fayette (11-6) at North Allegheny, 8 p.m.; Hampton (13-4) vs. Quaker Valley (15-2) at Fox Chapel, 8 p.m.

Softball

WPIAL playoffs

Class 6A

Tuesday’s schedule

Canon-McMillan (9-10) vs. Hempfield (19-1) at West Mifflin, 5 p.m.; Pine-Richland (9-12) vs. Seneca Valley (14-5) at North Allegheny, 5 p.m.

Class 5A

Quarterfinals

Tuesday’s schedule

Shaler (18-1) vs. Armstrong (12-8) at Plum, 5 p.m.; West Allegheny (13-3) vs. Baldwin (17-4) at Pleasant Valley Elementary, 4 p.m.; Thomas Jefferson (16-3) vs. Plum (14-5) at Gateway, 5 p.m.; Penn-Trafford (18-3) vs. North Hills (10-7) at Plum, 3 p.m.

Class 4A

Quarterfinals

Tuesday’s schedule

Derry (11-4) vs. Elizabeth Forward (17-3) at Gateway, 3 p.m.; Uniontown (11-8) vs. Hampton (14-5) at West Mifflin, 3 p.m.; North Catholic (13-5) vs. Knoch (16-2) at North Allegheny, 3 p.m.; Laurel Highlands (11-5) vs. Blackhawk (10-4) at Pleasant Valley Elementary, 6 p.m.

Class 3A

Quarterfinals

Monday’s schedule

Avonworth (12-8) vs. South Park (17-1) at Gateway, 3 p.m.; McGuffey (10-6) vs. Ellwood City (9-5) at North Allegheny, 7 p.m.; Keystone Oaks (16-4) vs. Mohawk (14-5) at Seneca Valley, 6:30 p.m.; Burrell (11-8) vs. Mt. Pleasant (13-4) at Gateway, 5 p.m.

Class 2A

Quarterfinals

Monday’s schedule

Laurel (14-5) vs. Frazier (12-9) at North Allegheny, 5 p.m.; Brownsville (13-7) vs. Neshannock (15-5) at Montour, 3 p.m.; Chartiers-Houston (17-2) vs. Riverside (9-5) at Pleasant Valley Elementary, 4 p.m.; Bentworth (18-2) vs. Shenango (15-5) at Montour, 5 p.m.

Class A

Quarterfinals

Monday’s schedule

Jeannette (11-3) vs. Union (16-2) at North Allegheny, 3 p.m.; Jefferson-Morgan (15-6) vs. Serra Catholic (12-5) at Pleasant Valley Elementary, 6 p.m.; Sewickley Academy (10-3) vs. Carmichaels (15-4) at Trinity Middle School, 7 p.m.; South Side (10-8) vs. West Greene (12-7) at Trinity Middle School, 5 p.m.

Tennis

Boys

PIAA team championships

At Hershey

Class 3A

Quarterfinals

Friday’s results

Conestoga 3, Hershey 0

Abington Heights 3, Upper St. Clair 1

Unionville 3, Manheim Township 0

North Allegheny 3, Central Bucks East 0

Semifinals

Saturday’s schedule

Conestoga (19-1) vs. Abington Heights (17-0),8 a.m.; Unionville (21-2) vs. North Allegheny (19-0), 10 a.m.

Class 2A

Quarterfinals

Friday’s results

At Hershey

Cathedral Prep 3, Wyoming Seminary 2

North Catholic 3, Bishop Shanahan 2

Jersey Shore 3, Quaker Valley 2

East Pennsboro 3, Westmont-Hilltop 1

Semifinals

Saturday’s schedule

Cathedral Prep (16-3) vs. North Catholic (15-4), noon; Jersey Shore (20-0) vs. East Pennsboro (15-3), 2 p.m.

Volleyball

Boys

Class 3A

Semifinals

Monday’s schedule

North Allegheny (11-0) vs. Baldwin (15-3) at North Catholic, 6 p.m.; Butler (16-4) vs. Seneca Valley (13-4) at North Catholic, 7:30 p.m.

Class 2A

Semifinals

Monday’s schedule

Shaler (14-1) vs. Thomas Jefferson (10-8) at Chartiers Valley, 6 p.m.; Seton LaSalle (20-1) vs. South Fayette (17-0) at Chartiers Valley, 7:30 p.m.

All schedules are subject to change. To report scores or schedule changes, email ptrsports@triblive.com.