| 2019 CLASS D 2020 | ||||
| New York State Section | ||||
| Prelims | Quarters | Semifinals | Finals | |
| February 21, 2020 | February 25, 2020 | February 29, 2020 | March 7, 2020 | |
| 1. DeRuyter* (20-0) | ||||
| 7:00 PM @ DeRuyter | 1. DeRuyter* (21-0) | |||
| 71 - 39 | ||||
| 16. Belleville-Henderson* (7-12) | ||||
| 1. DeRuyter* (22-0) | ||||
| 8. Oriskany* (12-8) | 87 - 58 | |||
| 7:00PM @ Oriskany | 8. Oriskany* (13-8) | |||
| 74 - 72 | ||||
| 9. Sackets Harbor* (13-7) | ||||
| 1. DeRuyter* (23-0) | ||||
| 4. Hamilton* (15-5) | 12:45PM @ SRC | 81 - 61 | ||
| 7:00PM @ Hamilton | 13. Brookfield* (11-10) | |||
| 55 - 51 | ||||
| 13. Brookfield* (10-10) | ||||
| February 26, 2020 | 13. Brookfield* (12-10) | |||
| 5. Copenhagen* (15-5) | 54 - 52 | |||
| 7:00PM @ Copenhagen | 5. Copenhagen* (16-5) | |||
| 73 - 36 | ||||
| 12. Manlius-Pebble Hill* (9-11) | ||||
| 12:00PM @ SRC | 1. DeRuyter* (24-0) | |||
| 2. Lyme* (18-1) | 63 - 54 | |||
| Section III 2020 Champion | ||||
| 7:45PM @ Lyme | 2. Lyme* (19-1) | |||
| 82 - 37 | ||||
| 15. LaFargeville* (7-12) | ||||
| 2. Lyme* (20-1) | ||||
| 7. McGraw* (14-6) | 57 - 46 | |||
| 7:00PM @ McGraw | 7. McGraw* (15-6) | |||
| 84 - 61 | ||||
| 10. New York Mills* (11-8) | ||||
| PPD to Monday 3/2 | 2. Lyme* (21-1) | |||
| 3. Old Forge* (15-5) | 6:00 PM at Carthage HS | 62 - 58 [OT] | ||
| 7:00PM @ Old Forge | 3. Old Forge* (16-5) | |||
| 61 - 49 | ||||
| 14. Remsen* (8-10) | ||||
| 3. Old Forge* (17-5) | ||||
| 6. Faith Heritage* (14-6) | 67 - 64 | |||
| 7:00PM @ Faith Heritage | 6. Faith Heritage* (15-6) | |||