1989-90 Division I Playoffs
| Team 1 | (pts) | vs | Team 2 | (pts) | Date | Time | Location |
|---|---|---|---|---|---|---|---|
| #4 Plattsburgh (12-7-5) | (8) | vs | #5 OFA (7-10-2) | (2) | 2/19/90 | Plattsburgh Arena | |
| #3 Potsdam (15-7-1) | (6) | vs | #6 Canton (4-14-1) | (1) | 2/19/90 | Pine Street Arena | |
| #1 Massena (19-1-2) 2 OT | (4) | vs | #4 Plattsburgh (13-7-5) | (3) | 2/21/90 | Massena Arena | |
| #2 Seton-Catholic (18-6-0) | (3) | vs | #3 Potsdam (16-7-1) | (6) | 2/21/90 | Seton-Catholic Arena | |
| #1 Massena (20-1-2) | (5) | vs | #3 Potsdam (17-7-1) | (2) | 2/24/90 | SUNY Potsdam |
