Stadium: Viking Pavillion Round: 1
Home Manager: Barret Peery Away Manager: Don Verlin
| NCAAB | 2018/02/02 04:00 | Idaho v Portland State | W | 97-88 |
| NCAAB | 2018/01/07 03:00 | Portland State v Idaho | L | 73-72 |
| NCAAB | 2017/02/03 03:00 | Portland State v Idaho | W | 72-89 |
| NCAAB | 2016/02/19 03:05 | Portland State v Idaho | W | 74-80 |
| NCAAB | 2016/01/31 03:00 | Idaho v Portland State | W | 56-55 |
| NCAAB | 2015/02/13 03:00 | Idaho v Portland State | W | 87-76 |
| NCAAB | 2015/01/18 03:05 | Portland State v Idaho | L | 85-73 |
| NCAAB | 2013/12/14 12:00 | Portland State v Idaho | W | 75-76 |
| NCAAB | 2012/02/18 12:00 | Idaho v Portland State | W | 77-68 |
| NCAAB | 2005/12/30 12:00 | Portland State v Idaho | L | 81-48 |
| NCAAB | 2005/12/10 12:00 | Idaho v Portland State | L | 59-61 |