| 2023 CLASS B CHAMPIONSHIP | ||||
| New York State Section IX | ||||
| QUARTERFINAL | SEMI FINAL | FINAL | ||
| March 1, 2023 | March 2, 2023 | March 4, 2023 | ||
| 1 Spackenkill (16-3) | ||||
| 48-42 | 1 Spackenkill (17-3) | |||
| @ Highest Seed | ||||
| 8 Rondout Valley (8-11) | ||||
| 64-57 | 4 Burke Catholic (11-10) | |||
| @ Highest Seed | ||||
| 5 Chester (10-10) | ||||
| 61-47 | 4 Burke Catholic (10-10) | |||
| @ Highest Seed | ||||
| 4 Burke Catholic (9-10) | ||||
| 56-42 | 4 Burke Catholic (12-10) | |||
| @ Monroe-Woodbury | Class B Champion | |||
| 3 Red Hook (11-6) | ||||
| 57-35 | 3 Red Hook (12-6) | |||
| @ Highest Seed | ||||
| 6 Ellenville (16-3) | ||||
| 68-53 | 2 James O'Neill (15-7) | |||
| @ Highest Seed | ||||
| 7 Dover (6-14) | ||||
| 68-43 | 2 James O'Neill (14-7) | |||
| @ Highest Seed | ||||
| 2 James O'Neill (13-7) | ||||