| NCAAB | 2025/01/25 22:00 | Idaho St v Portland State | L | 59-76 |
| NCAAB | 2024/02/11 01:00 | Portland State v Idaho St | W | 65-68 |
| NCAAB | 2024/01/12 03:00 | Idaho St v Portland State | W | 69-63 |
| NCAAB | 2023/02/17 03:00 | Idaho St v Portland State | L | 70-79 |
| NCAAB | 2023/01/22 01:00 | Portland State v Idaho St | L | 72-65 |
| NCAAB | 2022/03/09 19:00 | Idaho St v Portland State | L | 52-66 |
| NCAAB | 2022/02/27 03:00 | Idaho St v Portland State | L | 69-73 |
| NCAAB | 2021/12/03 02:00 | Portland State v Idaho St | L | 63-55 |
| NCAAB | 2021/01/23 20:05 | Idaho St v Portland State | L | 43-69 |
| NCAAB | 2021/01/22 03:05 | Idaho St v Portland State | W | 64-57 |
| NCAAB | 2020/02/28 02:00 | Idaho St v Portland State | L | 76-89 |
| NCAAB | 2020/01/19 03:05 | Idaho St v Portland State | L | 76-82 |
| NCAAB | 2019/02/22 03:05 | Idaho St v Portland State | L | 93-99 |
| NCAAB | 2019/02/03 02:05 | Portland State v Idaho St | W | 67-69 |
| NCAAB | 2018/02/17 21:00 | Idaho St v Portland State | L | 77-91 |
| 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 | 2011/02/10 12:00 | Portland State v Idaho St | W | 79-84 |
| NCAAB | 2011/01/02 12:00 | Idaho St v Portland State | L | 72-79 |
| NCAAB | 2010/02/26 12:00 | Portland State v Idaho St | L | 98-63 |
| NCAAB | 2010/01/23 12:00 | Idaho St v Portland State | W | 88-80 |
| NCAAB | 2009/03/10 12:00 | Portland State v Idaho St | L | 61-53 |
| NCAAB | 2009/02/12 12:00 | Idaho St v Portland State | W | 78-69 |
| NCAAB | 2009/01/10 12:00 | Portland State v Idaho St | L | 85-58 |