| Date | Location | Result | |
| May 11, 2018 | Ogden, UT | Portland State 4, Weber State 3 | Box score |
| May 10, 2018 | Ogden, UT | Montana 6, Portland State 3 | Box score |
| May 06, 2018 | Cedar City, UT | Portland State 17, Southern Utah 7 | Box score |
| May 05, 2018 | Cedar City, UT | Southern Utah 13, Portland State 4 | Box score |
| May 05, 2018 | Cedar City, UT | Southern Utah 4, Portland State 3 | Box score |
| Apr 28, 2018 | Hillsboro, OR | Portland State 4, Weber State 3 | Box score |
| Apr 27, 2018 | Hillsboro, OR | Portland State 2, Weber State 1 | Box score |
| Apr 27, 2018 | Hillsboro, OR | Weber State 3, Portland State 1 | Box score |
| Apr 22, 2018 | Missoula, MT | Portland State 3, Montana 2 | Box score |
| Apr 21, 2018 | Missoula, MT | Montana 3, Portland State 2 | Box score |
| Apr 21, 2018 | Missoula, MT | Portland State 6, Montana 3 | Box score |
| Apr 17, 2018 | Corvallis, OR | Oregon State 2, Portland State 1 | Box score |
| Apr 17, 2018 | Corvallis, OR | Oregon State 8, Portland State 0 | Box score |
| Apr 14, 2018 | Greeley, CO | Portland State 3, Northern Colorado 2 | Box score |
| Apr 14, 2018 | Greeley, CO | Portland State 12, Northern Colorado 4 | Box score |
| Apr 07, 2018 | Sacramento, CA | Sacramento State 4, Portland State 2 | Box score |
| Apr 07, 2018 | Sacramento, CA | Sacramento State 4, Portland State 1 | Box score |
| Apr 05, 2018 | Sacramento, CA | Sacramento State 1, Portland State 0 | Box score |
| Apr 03, 2018 | Eugene, OR | Oregon 3, Portland State 0 | Box score |
| Apr 03, 2018 | Eugene, OR | Oregon 8, Portland State 2 | Box score |
| Mar 31, 2018 | Hillsboro, OR | Portland State 5, Idaho State 0 | Box score |
| Mar 30, 2018 | Hillsboro, OR | Idaho State 5, Portland State 4 | Box score |
| Mar 30, 2018 | Hillsboro, OR | Portland State 2, Idaho State 1 | Box score |
| Mar 27, 2018 | Hillsboro, OR | Boise State 6, Portland State 2 | Box score |
| Mar 27, 2018 | Hillsboro, OR | Boise State 7, Portland State 5 | Box score |
| Mar 24, 2018 | Hillsboro, OR | North Dakota 11, Portland State 9 | Box score |
| Mar 23, 2018 | Hillsboro, OR | North Dakota 9, Portland State 7 | Box score |
| Mar 23, 2018 | Hillsboro, OR | Portland State 7, North Dakota 2 | Box score |
| Mar 18, 2018 | Seattle, WA | Seattle U 5, Portland State 1 | Box score |
| Mar 17, 2018 | Seattle, WA | Portland State 5, Seattle U 4 | Box score |
| Mar 17, 2018 | Seattle, WA | Portland State 14, Bryant 4 | Box score |
| Mar 16, 2018 | Seattle, WA | Seattle U 2, Portland State 0 | Box score |
| Mar 16, 2018 | Seattle, WA | Portland State 6, Bryant 1 | Box score |
| Mar 10, 2018 | Las Vegas, NV | UNLV 9, Portland State 1 | Box score |
| Mar 09, 2018 | Las Vegas, NV | DePaul University 6, Portland State 0 | Box score |
| Mar 09, 2018 | Las Vegas, NV | NM State 11, Portland State 8 | Box score |
| Mar 07, 2018 | Hillsboro, OR | Portland State 6, Toledo 5 | Box score |
| Mar 07, 2018 | Hillsboro, OR | Portland State 11, Toledo 8 | Box score |
| Mar 04, 2018 | Seattle, WA | Washington 4, Portland State 1 | Box score |
| Mar 03, 2018 | Seattle, WA | Alabama 3, Portland State 0 | Box score |
| Mar 03, 2018 | Seattle, WA | Northwestern 7, Portland State 4 | Box score |
| Mar 02, 2018 | Seattle, WA | Northwestern 6, Portland State 0 | Box score |
| Mar 02, 2018 | Seattle, WA | Brigham Young 11, Portland State 2 | Box score |
| Feb 25, 2018 | El Paso, TX | UTEP 8, Portland State 4 | Box score |
| Feb 24, 2018 | El Paso, TX | UTEP 17, Portland State 4 | Box score |
| Feb 24, 2018 | El Paso, TX | Portland State 6, NM State 5 | Box score |
| Feb 23, 2018 | El Paso, TX | UTEP 9, Portland State 1 | Box score |
| Feb 23, 2018 | El Paso, TX | NM State 7, Portland State 3 | Box score |
| Feb 10, 2018 | San Marcos, TX | Florida State 11, Portland State 1 | Box score |
| Feb 10, 2018 | San Marcos, TX | Sam Houston State 6, Portland State 4 | Box score |
| Feb 09, 2018 | San Marcos, TX | Florida State 18, Portland State 1 | Box score |
| Feb 09, 2018 | San Marcos, TX | Portland State 8, Sam Houston State 2 | Box score |