| 2018 Class A1 CHAMPIONSHIP | ||||
| New York State Section VI | ||||
| ROUND 1 | QUARTERFINAL | SEMI FINAL | FINAL | |
| February 21, 2018 | February 23, 2018 | February 28, 2018 | March 3, 2018 | |
| 1 West Seneca West (20-0) | ||||
| 100-64 | 1 West Seneca West (21-0) | |||
| 8 Hutch-Tech (9-11) | @ Highest Seed | |||
| 54-67 | 9 Grand Island (11-10) | |||
| @ Highest Seed | ||||
| 9 Grand Island (10-10) | ||||
| 82-62 | 1 West Seneca West (22-0) | |||
| 5 Williamsville East (12-8) | @ Buffalo State University | |||
| 5:15 PM | ||||
| 45-52 | 12 West Seneca East (5-16) | |||
| @ Highest Seed | ||||
| 12 West Seneca East (4-16) | ||||
| 43-59 | 4 North Tonawanda (15-6) | |||
| @ Highest Seed | ||||
| 4 North Tonawanda (14-6) | ||||
| 97-95 4OT | 1 West Seneca West (23-0) | |||
| @ Buffalo State University | Class A1 Champion | |||
| 8:45 PM | ||||
| 3 Sweet Home (15-5) | ||||
| 53-59 OT | 6 McKinley (17-5) | |||
| 6 McKinley (15-5) | @ Highest Seed | |||
| 68-48 | 6 McKinley (16-5) | |||
| @ Highest Seed | ||||
| 11 Kenmore East (4-14) | ||||
| 46-50 | 2 Williamsville South (19-3) | |||
| 7 Hamburg (6-14) | @ Buffalo State University | |||
| 6:45 PM | ||||
| 66-55 | 7 Hamburg (7-14) | |||
| @ Highest Seed | ||||
| 10 Kenmore West (6-14) | ||||
| 41-81 | 2 Williamsville South (18-3) | |||
| @ Highest Seed | ||||
| 2 Williamsville South (17-3) | ||||