| Date | Location | Result | |
| May 10, 2018 | Las Cruces, NM | Grand Canyon 7, Seattle U 4 | Box score |
| May 09, 2018 | Las Cruces, NM | UMKC 7, Seattle U 1 | Box score |
| May 01, 2018 | Corvallis, OR | Seattle U 2, Oregon State 1 | Box score |
| Apr 28, 2018 | Las Cruces, N.M. | New Mexico State 12, Seattle U 2 | Box score |
| Apr 28, 2018 | Las Cruces, N.M. | New Mexico State 9, Seattle U 1 | Box score |
| Apr 27, 2018 | Las Cruces, N.M. | Seattle U 7, New Mexico State 4 | Box score |
| Apr 21, 2018 | Seattle, Wash. | Seattle U 4, Grand Canyon 3 | Box score |
| Apr 20, 2018 | Seattle, Wash. | Grand Canyon 3, Seattle U 2 | Box score |
| Apr 20, 2018 | Seattle, Wash. | Grand Canyon 4, Seattle U 3 | Box score |
| Apr 14, 2018 | Bakersfield, CA | Seattle U 7, CSU Bakersfield 2 | Box score |
| Apr 13, 2018 | Bakersfield, CA | Seattle U 6, CSU Bakersfield 0 | Box score |
| Apr 13, 2018 | Bakersfield, CA | Seattle U 4, CSU Bakersfield 3 | Box score |
| Apr 07, 2018 | Seattle, Wash. | Seattle U 1, UMKC 0 | Box score |
| Apr 06, 2018 | Seattle, Wash. | Seattle U 13, UMKC 0 | Box score |
| Apr 06, 2018 | Seattle, Wash. | Seattle U 6, UMKC 2 | Box score |
| Apr 04, 2018 | Seattle, Washington | Washington 3, Seattle U 1 | Box score |
| Mar 31, 2018 | Seattle, WA | Utah Valley 8, Seattle U 7 | Box score |
| Mar 30, 2018 | Seattle, WA | Seattle U 5, Utah Valley 0 | Box score |
| Mar 30, 2018 | Seattle, WA | Seattle U 9, Utah Valley 3 | Box score |
| Mar 26, 2018 | Santa Barbara, CA | Seattle U 15, UC Santa Barbara 3 | Box score |
| Mar 26, 2018 | Santa Barbara, CA | UC Santa Barbara 2, Seattle U 1 | Box score |
| Mar 25, 2018 | Santa Barbara, CA | UC Santa Barbara 5, Seattle U 4 | Box score |
| Mar 25, 2018 | Santa Barbara, CA | Seattle U 2, St. Mary's 0 | Box score |
| Mar 24, 2018 | Santa Barbara, CA | Seattle U 3, St. Mary's 0 | Box score |
| Mar 18, 2018 | Seattle, Wash. | Seattle U 5, Portland State 1 | Box score |
| Mar 18, 2018 | Seattle, Wash. | Seattle U 5, Bryant 4 | Box score |
| Mar 17, 2018 | Seattle, Wash. | Portland State 5, Seattle U 4 | Box score |
| Mar 17, 2018 | Seattle, Wash. | Seattle U 5, Bryant 0 | Box score |
| Mar 16, 2018 | Seattle, Wash. | Seattle U 7, Bryant 0 | Box score |
| Mar 16, 2018 | Seattle, Wash. | Seattle U 2, Portland State 0 | Box score |
| Mar 11, 2018 | Northridge, Calif. | Seattle U 4, CSUN 1 | Box score |
| Mar 10, 2018 | Northridge, Calif. | Oregon State 9, Seattle U 0 | Box score |
| Mar 09, 2018 | Northridge, Calif. | Texas Tech 6, Seattle U 2 | Box score |
| Mar 09, 2018 | Northridge, Calif. | Oregon State 5, Seattle U 0 | Box score |
| Mar 06, 2018 | Seattle, Wash. | Seattle U 7, Toledo 4 | Box score |
| Mar 06, 2018 | Seattle, Wash. | Seattle U 6, Toledo 4 | Box score |
| Mar 04, 2018 | St. George, Utah | Southern Utah 6, Seattle U 5 | Box score |
| Mar 03, 2018 | St. George, Utah | Weber State 7, Seattle U 1 | Box score |
| Mar 03, 2018 | St. George, Utah | Seattle U 6, Montana 5 | Box score |
| Mar 02, 2018 | St. George, Utah | Montana 7, Seattle U 6 | Box score |
| Mar 02, 2018 | St. George, Utah | Seattle U 12, Southern Utah 6 | Box score |
| Feb 25, 2018 | Stockton, Calif. | Northern Colorado 1, Seattle U 0 | Box score |
| Feb 24, 2018 | Stockton, Calif. | Seattle U 3, Pacific 1 | Box score |
| Feb 24, 2018 | Stockton, Calif. | Nevada 8, Seattle U 1 | Box score |
| Feb 23, 2018 | Stockton, Calif. | Seattle U 7, Nevada 2 | Box score |
| Feb 23, 2018 | Stockton, Calif. | Seattle U 7, Northern Colorado 4 | Box score |
| Feb 18, 2018 | Las Vegas, NV | UNLV 7, Seattle U 5 | Box score |
| Feb 17, 2018 | Henderson, Nev. | Seattle U 2, Nevada 1 | Box score |
| Feb 17, 2018 | Henderson, Nev. | San Jose State 10, Seattle U 8 | Box score |
| Feb 16, 2018 | Henderson, NV | Seattle U 4, Hawaii 2 | Box score |
| Feb 16, 2018 | Henderson, Nev. | Seattle U 9, Utah State 5 | Box score |
| Feb 11, 2018 | Tempe, Ariz. | Nebraska 3, Seattle U 2 | Box score |
| Feb 10, 2018 | Tempe, Ariz. | Seattle U 11, Western Michigan 8 | Box score |
| Feb 10, 2018 | Tempe, Ariz. | Seattle U 6, CSUN 4 | Box score |
| Feb 09, 2018 | Tempe, Ariz. | Seattle U 13, Stanford 9 | Box score |
| Feb 09, 2018 | Tempe, Ariz. | Notre Dame 4, Seattle U 3 | Box score |