| 2019 CLASS AA CHAMPIONSHIP | |||||
| New York State Section XI | |||||
| ROUND 1 | QUARTERFINAL | SEMI FINAL | FINAL | ||
| Thursday | Saturday | Wednesday | Sunday | ||
| February 14, 2019 | February 16, 2019 | February 20, 2019 | February 24, 2019 | ||
| 1 Longwood (19-1) | |||||
| 73-52 | |||||
| @ Higher Seed | 1 Longwood (20-1) | ||||
| 16 Comsewogue (11-9) | |||||
| 64-48 | 1 Longwood (21-1) | ||||
| 9 Northport (14-6) | @ Higher Seed | ||||
| 47-53 | |||||
| @ Higher Seed | 8 Connetquot (14-7) | ||||
| 8 Connetquot (13-7) | |||||
| 47-50 | 5 HH Hills East (19-4) | ||||
| 5 HH Hills East (16-4) | @ Higher Seed | ||||
| 57-40 | |||||
| @Higher Seed | 5 HH Hills East (17-4) | ||||
| 12 Walt Whitman (13-7) | |||||
| 66-51 | 5 HH Hills East (18-4) | ||||
| 13 Bay Shore (12-8) | @ Higher Seed | ||||
| 37-50 | |||||
| @ Higher Seed | 4 North Babylon (19-2) | ||||
| 4 North Babylon (18-2) | |||||
| 56-63 | 2 Brentwood (23-1) | ||||
| 3 Bellport (18-2) | @ Farmingdale State | Class AA Champion | |||
| 81-53 | |||||
| @ Higher Seed | 3 Bellport (19-2) | ||||
| 14 Central Islip (9-11) | |||||
| 79-65 | 3 Bellport (20-2) | ||||
| 11 Smithtown West (12-8) | @ Higher Seed | ||||
| 60-63 | |||||
| @ Higher Seed | 6 Deer Park (15-5) | ||||
| 6 Deer Park (14-5) | |||||
| 71-84 | 2 Brentwood (22-1) | ||||
| 7 Commack (14-6) | @ Higher Seed | ||||
| 69-53 | |||||
| @ Higher Seed | 7 Commack (15-6) | ||||
| 10 Riverhead (11-9) | |||||
| 54-88 | 2 Brentwood (21-1) | ||||
| 15 Ward Melville (10-10) | @ Higher Seed | ||||
| 63-87 | |||||
| @ Higher Seed | 2 Brentwood (20-1) | ||||
| 2 Brentwood (19-1) | |||||