| 2019 NYSPHSAA Boys Class B Tournament | ||||
| REGIONAL SEMI FINAL | REGIONAL FINAL | STATE SEMI FINAL | STATE FINAL | |
| Wednesday, March 6, 2019 | Saturday, March 9, 2019 | Friday, March 15, 2019 | Saturday, March 16, 2019 | |
| Greece-Odyssey (21-3) | ||||
| Section V Champion | ||||
| 61-47 | Olean (25-0) | |||
| @ Greece-Athena HS | Section VI Champion | |||
| Olean (24-0) | ||||
| Section VI Champion | ||||
| 83-63 | Glens Falls (26-1) | |||
| Glens Falls (23-1) | Saturday, March 9, 2019 | @ Floyd. L. Maines Arena | Section II Champion | |
| Section II Champion | ||||
| 77-57 | Glens Falls (24-1) | |||
| @ SUNY Plattsburgh | Section II Champion | |||
| Plattsburgh (18-4) | ||||
| Section VII Champion | 84-76 | Glens Falls (25-1) | ||
| @ SUNY Potsdam | Section II Champion | |||
| Ogdensburg (23-1) | ||||
| Section X Champion | ||||
| 75-74 (OT) | Glens Falls (27-1) | |||
| Dobbs Ferry (20-4) | Saturday, March 9, 2019 | @ Floyd. L. Maines Arena | State Class B Champion | |
| Section I Champion | ||||
| 65-49 | Dobbs Ferry (21-4) | |||
| @ Poughkeepsie HS | Section I Champion | |||
| Ellenville (21-1) | ||||
| Section IX Champion | 66-42 | Center Moriches (21-5) | ||
| Cold Spring Harbor (19-2) | @ Centereach HS | Section XI Champion | ||
| Section VIII Champion | ||||
| 56-47 | Center Moriches (20-5) | |||
| @ SUNY Farmingdale | Section XI Champion | |||
| Center Moriches (19-5) | ||||
| Section XI Champion | 80-68 | Lowville (22-2) | ||
| Saturday, March 9, 2019 | @ Floyd. L. Maines Arena | Section III Champion | ||
| Lowville (20-2) | ||||
| Section III Champion | ||||
| 68-51 | Lowville (21-2) | |||
| @ SRC Arena | Section III Champion | |||
| Owego FA (19-2) | ||||
| Section IV Champion | ||||