Stadium: ICCU Dome Round: 1
Home Manager: Bill Evans Away Manager: Barret Peery
| NCAAB | 2018/02/17 21:00 | Idaho St v Portland State | W | 77-91 |
| NCAAB | 2018/01/19 02:00 | Portland State v Idaho St | W | 87-83 |
| NCAAB | 2017/02/10 03:05 | Idaho St v Portland State | W | 69-74 |
| NCAAB | 2016/02/12 02:00 | Idaho St v Portland State | L | 88-71 |
| NCAAB | 2016/01/17 03:05 | Portland State v Idaho St | L | 70-73 |
| NCAAB | 2015/01/25 02:05 | Idaho St v Portland State | L | 80-76 |
| NCAAB | 2014/03/08 12:00 | Portland State v Idaho St | W | 78-74 |
| NCAAB | 2012/02/09 12:00 | Idaho St v Portland State | W | 54-67 |
| NCAAB | 2019/02/01 02:00 | Portland State v Weber State | W | 76-75 |
| NCAAB | 2019/01/27 03:05 | Idaho v Portland State | W | 53-69 |
| NCAAB | 2019/01/25 03:05 | Eastern Washington v Portland State | W | 65-78 |
| NCAAB | 2019/01/19 21:00 | Portland State v Northern Arizona | L | 75-82 |
| NCAAB | 2019/01/18 01:30 | Portland State v Southern Utah | L | 69-83 |
| NCAAB | 2019/01/13 03:05 | Weber State v Portland State | L | 95-88 |
| NCAAB | 2019/01/06 02:00 | Portland State v Montana | W | 77-74 |
| NCAAB | 2019/01/04 02:00 | Portland State v Montana State | L | 88-98 |
| NCAAB | 2019/02/01 02:05 | Sacramento State v Idaho St | L | 74-58 |
| NCAAB | 2019/01/26 21:00 | Idaho St v Montana State | L | 84-104 |
| NCAAB | 2019/01/25 02:00 | Idaho St v Montana | L | 69-80 |
| NCAAB | 2019/01/22 02:00 | Northern Colorado v Idaho St | L | 77-53 |
| NCAAB | 2019/01/18 02:00 | Idaho St v Weber State | L | 59-76 |
| NCAAB | 2019/01/13 03:05 | Idaho St v Sacramento State | W | 72-70 |
| NCAAB | 2019/01/06 02:05 | Northern Arizona v Idaho St | L | 81-69 |
| NCAAB | 2019/01/04 02:05 | Southern Utah v Idaho St | W | 68-88 |