| Class A | Class AA |
| Sectional A |
Host: Glendale Heights Glenside @ Glenside Middle School, 1560 Bloomingdale Road, Glendale Heights -  |
| Antioch (22-1) vs. Burbank Liberty (3-0) |
| Regional 1 | Antioch def. Glen Ellyn Hadley, 3-2 |
| Regional 2 | Burbank Liberty def. Bolingbrook Brooks, 18-1 |
| Sectional B |
| Host: Homer Glen Homer |
| Homer Glen Homer (11-2) vs. Minooka (18-4) |
| Regional 3 | Homer Glen Homer def. Frankfort Summit Hill, 5-0 |
| Regional 4 | Minooka def. Channahon, 3-1 |
| Sectional C |
| Host: Wilmington Stevens @ L.J.Stevens Middle School, 221 Ryan Street, Wilmington - |
| Wilmington Stevens (9-6) vs. Bourbonnais UGC (14-2) |
| Regional 5 | Wilmington Stevens def. Peotone, 4-2 |
| Regional 6 | Bourbonnais UGC def. Bradley Central, 11-1 |
| Sectional D |
| Host: Normal Kingsley @ Champions Field #6, 501 N. Parkside Rd., Normal - |
| Metamora GS (12-4) vs. Normal Kingsley (14-5) |
| Regional 7 | Metamora GS def. Washington Central, 11-1 |
| Regional 8 | Normal Kingsley def. Wenona Fieldcrest, 4-0 |
| Sectional E |
| Host: Forrest Prairie Central @ Prairie Central High School, 411 N. 7th Street, Fairbury - |
| Normal Chiddix (17-4) vs. Forrest Prairie Central (8-4) |
| Regional 9 | Normal Chiddix def. Downs Tri-Valley, 6-2 |
| Regional 10 | Forrest Prairie Central def. Danville North Ridge, 7-6 |
| Sectional F |
| Host: Stanford Olympia @ Olympia High School, 7832 N. 100 East Road, Stanford, IL - |
| East Peoria Central (17-2) vs. Stanford Olympia (19-2) |
| Regional 11 | East Peoria Central def. Farmington Central, 1-0 |
| Regional 12 | Stanford Olympia def. Williamsville, 6-3 |
| Sectional G |
| Host: Edwardsville Lincoln @ Edwardsville High School, 6161 Center Grove Rd., Edwardsville - |
| Quincy (12-8) vs. Edwardsville Lincoln (12-1) |
| Regional 13 | Quincy def. Pleasant Plains, 11-10 |
| Regional 14 | Edwardsville Lincoln def. Edwardsville Liberty, 2-0 |
| Sectional H |
| Host: Charleston @ Charleston Middle School, 920 Smith Drive, Charleston - |
| Mattoon (11-1) vs. Casey-Westfield (12-3) |
| Regional 15 | Mattoon def. Shelbyville Moulton, 11-7 |
| Regional 16 | Casey-Westfield def. Charleston, 10-0 |
