Last updated at 1:14 p.m. on Sunday, March 22, 2009.
| Display: 64-Team State Final Bracket | |
| 1. Hoffman Estates (Sears Centre) Super-Sectional | |
| 2. DeKalb (NIU) Super-Sectional | |
| 3. Chicago (C. State University) Super-Sectional | |
| 4. Normal (ISU) Super-Sectional | |
| DeKalb (NIU) Super-Sectional | ||||||
| Regionals | Sectionals | Super-Sectional | State Qualifier | |||
| St. Charles (North) | St. Charles (North) 71-59 |
St. Charles (North) 60-42 |
St. Charles (North) 68-52 |
Carpentersville (Dundee-Crown) 51-49 |
Carpentersville (Dundee-Crown) 64-59 |
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| St. Charles (East) | Elgin (Larkin) 57-54 |
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| Elgin (Larkin) | ||||||
| South Elgin | South Elgin 63-61 |
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| DeKalb | ||||||
| Rockton (Hononegah) | Rockton (Hononegah) 61-51 |
Rockford (Auburn) 57-43 |
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| Machesney Park (Harlem) | Rockford (Boylan) 78-39 |
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| Rockford (Boylan) | ||||||
| Rockford (Jefferson) | Rockford (Auburn) 59-50 |
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| Rockford (Auburn) | Rockford (Auburn) 51-46 |
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| Rockford (Guilford) | ||||||
| Carpentersville (Dundee-Crown) | Carpentersville (Dundee-Crown) 58-52 |
Carpentersville (Dundee-Crown) 35-33 |
Carpentersville (Dundee-Crown) 48-37 |
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| Streamwood | Elgin (H.S.) 62-43 |
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| Elgin (H.S.) | ||||||
| Algonquin (Jacobs) | Huntley 59-52 |
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| Huntley | ||||||
| Crystal Lake (South) | McHenry 44-41 |
McHenry 56-50 |
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| McHenry | McHenry 60-59 |
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| Woodstock (H.S.) | ||||||
| Crystal Lake (Prairie Ridge) | Crystal Lake (Prairie Ridge) 47-44 |
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| Cary (C.-Grove) | ||||||
| Naperville (Neuqua Valley) | Naperville (Neuqua Valley) 59-57 |
Naperville (Neuqua Valley) 74-69 |
Naperville (Neuqua Valley) 69-49 |
Naperville (Neuqua Valley) 62-55 |
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| Naperville (North) | Lisle (Benet Academy) 55-54 |
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| Lisle (Benet Academy) | ||||||
| Geneva | Batavia 59-34 |
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| Batavia | ||||||
| Aurora (East) | Aurora (East) 82-69 |
Plainfield (North) 54-51 |
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| Oswego (East) | Oswego (East) 65-52 |
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| West Chicago (H.S.) | ||||||
| Plainfield (North) | Plainfield (North) 55-42 |
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| Aurora (Waubonsie Valley) | Aurora (Waubonsie Valley) 68-46 |
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| Wheaton (North) | ||||||
| Naperville (Central) | Naperville (Central) 76-53 |
Naperville (Central) 71-60 |
Naperville (Central) 68-61 |
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| Villa Park (Willowbrook) | Villa Park (Willowbrook) 66-48 |
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| Aurora (Marmion Academy) | ||||||
| Aurora (West) | Aurora (West) 53-41 |
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| Wheaton (W. Warrenville South) | ||||||
| Bolingbrook | Bolingbrook 48-38 |
Bolingbrook 61-57 |
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| Glen Ellyn (Glenbard West) | Glen Ellyn (Glenbard West) 64-52 |
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| Carol Stream (Glenbard North) | ||||||
| Lombard (Glenbard East) | Lombard (Glenbard East) 69-47 |
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| Bartlett | Roselle (Lake Park) 68-62 |
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| Roselle (Lake Park) | ||||||