2026 IHSA (Illinois) 3A Boys Basketball Tournament - Waterloo Sectional
2026 IHSA (Illinois) 3A Boys Basketball Tournament - Waterloo Sectional
Varsity Boys Basketball
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2026 IHSA (Illinois) 3A Boys Basketball Tournament - Waterloo Sectional

Regional Quarterfinals
      
Regional Semifinals
      
Regional Finals
      
Sectional Semifinals
        
Sectional Championship
      
Final
Highland
7
Highland
69
Charleston
9
Charleston
59
Game 1
Final
Triad
1
Triad
46
Highland
7
Highland
28
Game 2
Final
Taylorville
4
Taylorville
31
Glenwood
5
Glenwood
52
Game 3
Final
Centralia
2
Centralia
66
Cahokia
7
Cahokia
36
Game 4
Final
Mt. Vernon
3
Mt. Vernon
51
Carbondale
6
Carbondale
32
Game 5
Final
East St. Louis
1
East St. Louis
84
Waterloo
8
Waterloo
32
Game 6
Final
Marion
4
Marion
81
Mascoutah
5
Mascoutah
55
Game 7
Final
Jacksonville
2
Jacksonville
68
Jersey
8
Jersey
39
Game 8
Final
Mattoon
3
Mattoon
46
Civic Memorial
6
Civic Memorial
51
Game 9
Final
Triad
1
Triad
41
Glenwood
5
Glenwood
20
Game 10
Final
Centralia
2
Centralia
33
Mt. Vernon
3
Mt. Vernon
22
Game 11
Final
East St. Louis
1
East St. Louis
65
Marion
4
Marion
53
Game 12
Final
Jacksonville
2
Jacksonville
45
Civic Memorial
6
Civic Memorial
26
Game 13
Final
Triad
1
Triad
38
Centralia
2
Centralia
58
Game 14
Final
East St. Louis
1
East St. Louis
82
Jacksonville
2
Jacksonville
50
Game 15
Final
Centralia
2
Centralia
51
East St. Louis
1
East St. Louis
69
Game 16