Dates, times TBD; with records and seeds in parentheses
Class 8A
Opening round
(48) Neuqua Valley (3-6) at (25) Marist (5-4)
(44) Metea Valley (3-6) at (21) Lyons (6-3)
(34) Oswego East at (31) Curie (5-4)
First round
Neuqua Valley/Marist winner at (8) Mount Carmel (7-2)
(24) Barrington (5-4)/(41) Waubonsie Valley (3-6) winner at (9) Sandburg (7-2)
Metea Valley/Lyons winner at (12) Perspectives (7-2)
Oswego East/Curie winner at (2) Huntley
Class 7A
Opening round
(36) Reavis (4-5) at (29) Elgin (5-4)
(39) St. Laurence (3-6) at (26) Belleville East (5-4)
(46) Andrew (2-7) at (19) Buffalo Grove (6-3)
First round
(25) St. Charles North (5-4)/(40) McHenry (3-6) winner at (8) Brother Rice (7-2)
Reavis/Elgin winner at (4) East St. Louis (8-1)
St. Laurence/Belleville East winner at (7) Plainfield South (8-1)
Andre/Buffalo Grove winner at (14) St. Rita (6-3)
(43) Rich (3-6)/(22) Niles North winner at (11) Richards (7-2)
Class 6A
Opening round
(20) Nazareth (4-5) at (13) Shepard (5-4)
First round
(17) Champaign Central (5-4)/(17) East Moline United (5-4) winner at (1) Kennedy (8-1)
(9) Quincy (6-3)/(24) TF South (3-6) winner at (8) Goode (6-2)
Nazareth/Shepard winner at (4) Dunlap (8-1)
(12) Lindblom (5-4)/(21) Simeon (4-5) winner at (5) Oak Lawn (7-2)
(14) Thornwood (5-4)/(19) Plainfield East (5-4) winner at (3) Riverside-Brookfield (8-1)
Class 4A
First round
(10) Dixon (6-3)/(23) Plano (2-7) at (7) Evergreen Park (7-2)
Class 3A
Opening round
(18) Prairie Central (4-5) at (15) Chicago Christian (5-4)
First round
Prairie Central/Chicago Christian winner at (2) Byron (9-0)