Stadium: Pamplin Sports Center Round: 1
Home Manager: Barret Peery Away Manager: Bill Evans
| NCAAB | 2018/01/19 02:00 | Portland State v Idaho St | L | 87-83 |
| NCAAB | 2017/02/10 03:05 | Idaho St v Portland State | L | 69-74 |
| NCAAB | 2016/02/12 02:00 | Idaho St v Portland State | W | 88-71 |
| NCAAB | 2016/01/17 03:05 | Portland State v Idaho St | W | 70-73 |
| NCAAB | 2015/01/25 02:05 | Idaho St v Portland State | W | 80-76 |
| NCAAB | 2014/03/08 12:00 | Portland State v Idaho St | L | 78-74 |
| NCAAB | 2012/02/09 12:00 | Idaho St v Portland State | L | 54-67 |
| NCAAB | 2012/01/16 12:00 | Portland State v Idaho St | L | 80-68 |
| NCAAB | 2018/02/16 03:05 | Idaho St v Sacramento State | W | 67-64 |
| NCAAB | 2018/02/11 02:00 | North Dakota v Idaho St | W | 67-82 |
| NCAAB | 2018/02/09 02:00 | Northern Colorado v Idaho St | L | 85-82 |
| NCAAB | 2018/02/03 19:30 | Idaho St v Southern Utah | L | 80-84 |
| NCAAB | 2018/02/02 01:30 | Idaho St v Northern Arizona | W | 63-61 |
| NCAAB | 2018/01/28 02:00 | Weber State v Idaho St | L | 77-70 |
| NCAAB | 2018/01/21 02:00 | Sacramento State v Idaho St | W | 65-71 |
| NCAAB | 2018/01/19 02:00 | Portland State v Idaho St | L | 87-83 |
| NCAAB | 2018/02/16 04:00 | Weber State v Portland State | L | 95-86 |
| NCAAB | 2018/02/10 21:00 | Portland State v Montana State | W | 80-77 |
| NCAAB | 2018/02/09 02:00 | Portland State v Montana | L | 60-80 |
| NCAAB | 2018/02/03 21:00 | Eastern Washington v Portland State | W | 81-94 |
| NCAAB | 2018/02/02 04:00 | Idaho v Portland State | L | 97-88 |
| NCAAB | 2018/01/27 22:00 | Sacramento State v Portland State | L | 71-61 |
| NCAAB | 2018/01/21 02:00 | Portland State v Weber State | L | 79-84 |
| NCAAB | 2018/01/19 02:00 | Portland State v Idaho St | W | 87-83 |