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Class 7A | Class 7AA | Class 8A | Class 8AA |
| Sectional 1 |
| @ Bolingbrook Humphrey |
| Bolingbrook Jane Addams (17-2) vs. Lockport Kelvin Grove (0-0) |
| Regional 1 | Bolingbrook Jane Addams def. Arlington Heights South, 15-13, 15-3 |
| Regional 2 | Lockport Kelvin Grove def. Lockport Oak Prairie, 16-14, 12-15, 15-10 |
| Sectional 2 |
| @ Lansing Memorial |
| Lansing Heritage (13-4) vs. Lansing Memorial (21-2) |
| Regional 3 | Lansing Heritage def. Calumet City Wentworth |
| Regional 4 | Lansing Memorial def. Ford Heights Cottage Grove, 15-0, 15-7 |
| Sectional 3 |
| @ Homer Glen Homer |
| Homer Glen Homer (20-5) vs. Minooka (21-1) |
| Regional 5 | Homer Glen Homer def. Manhattan, 15-9, 15-6 |
| Regional 6 | Minooka def. Joliet Washington, 15-0, 15-7 |
| Sectional 4 |
| @ Channahon |
| Channahon (10-8) vs. Peru Washington (17-6) |
| Regional 7 | Channahon def. Braidwood Reed-Custer, 13-15, 15-6, 17-15 |
| Regional 8 | Peru Washington def. Seneca, 16-14, 15-9 |
| Sectional 5 |
| @ Manteno |
| Bourbonnais UGC (18-4) vs. Herscher Limestone (21-3) |
| Regional 9 | Bourbonnais UGC def. Beecher, 15-4, 16-14 |
| Regional 10 | Herscher Limestone def. Clifton Nash, 16-14, 15-11 |
| Sectional 6 |
| @ Normal Chiddix |
| Normal Kingsley (15-5) vs. Bloomington JHS (18-3) |
| Regional 11 | Normal Kingsley def. Normal Chiddix, 15-11, 15-7 |
| Regional 12 | Bloomington JHS def. Maroa-Forsyth, 15-7, 15-7 |
| Sectional 7 |
| @ Washington MS |
| Washington MS (15-5) vs. Chillicothe (19-3) |
| Regional 13 | Washington MS def. Metamora GS, 16-14, 15-11 |
| Regional 14 | Chillicothe def. Metamora Germantown Hills, 15-11, 15-3 |
| Sectional 8 |
| @ Marquette Heights Georgetowne |
| East Peoria Central (17-4) vs. Glasford Illini Bluffs (14-6) |
| Regional 15 | East Peoria Central def. Marquette Heights Georgetowne, 15-2, 15-6 |
| Regional 16 | Glasford Illini Bluffs def. Pekin Broadmoor, 15-4, 15-8 |
| Sectional 9 |
| @ Bismarck-Henning |
| Bismarck-Henning (24-1) vs. Urbana MS (15-6) |
| Regional 17 | Bismarck-Henning def. Westville JHS, 15-4, 11-15, 15-9 |
| Regional 18 | Urbana MS def. Mahomet-Seymour, 15-10, 10-15, 15-6 |
| Sectional 10 |
| @ Green Valley Midwest Central |
| Stanford Olympia (18-1) vs. Pleasant Plains (14-6) |
| Regional 19 | Stanford Olympia def. Green Valley Midwest Central, 15-4, 15-2 |
| Regional 20 | Pleasant Plains def. Petersburg PORTA JHS, 15-7, 15-1 |
| Sectional 11 |
| @ Pittsfield Pikeland |
| Camp Point Central (18-5) vs. Jacksonville Turner (16-5) |
| Regional 21 | Camp Point Central def. Beardstown MS, 15-7, 13-15, 15-13 |
| Regional 22 | Jacksonville Turner def. Quincy, 15-8, 15-10 |
| Sectional 12 |
| @ TBD |
| Champaign Jefferson (20-1) vs. Warrensburg-Latham (13-10) |
| Regional 23 | Champaign Jefferson def. Champaign Edison, 15-8, 15-12 |
| Regional 24 | Warrensburg-Latham def. Decatur Stephen Decatur, 15-6, 15-9 |
| Sectional 13 |
| @ Riverton |
| Rochester (19-5) vs. Chatham Glenwood (21-4) |
| Regional 25 | Rochester def. Riverton, 15-10, 15-13 |
| Regional 26 | Chatham Glenwood def. Auburn, 15-10, 15-3 |
| Sectional 14 |
| @ Newton Jasper County |
| Mattoon (16-7) vs. Robinson Nuttall (13-6) |
| Regional 27 | Mattoon def. Casey-Westfield, 15-3, 15-11 |
| Regional 28 | Robinson Nuttall def. Newton Jasper County, 15-12, 1-15, 15-5 |
| Sectional 15 |
| @ Assumption Central A & M |
| Shelbyville Moulton (20-4) vs. Pana JHS (21-2) |
| Regional 29 | Shelbyville Moulton def. Blue Mound Meridian, 15-10, 15-13 |
| Regional 30 | Pana JHS def. Greenville, 15-2, 15-12 |
| Sectional 16 |
| @ Staunton |
| Staunton (20-2) vs. Edwardsville Lincoln (17-0) |
| Regional 31 | Staunton def. Piasa Southwestern, 9-15, 15-7, 15-12 |
| Regional 32 | Edwardsville Lincoln def. East St. Louis Clark |
