| 1 | Wed Nov 25 | vs Texas So | W56-52 | 1-0 | 1.000 | - | | Friel Court at Beasley Coliseum · Pullman, WA |
| 2 | Sat Nov 28 | vsE Washington | W71-68 | 2-0 | 1.000 | - | | Friel Court at Beasley Coliseum · Pullman, WA |
| 3 | Wed Dec 2 | vsOregon St | W59-55 | 3-0 | 1.000 | - | | Friel Court at Beasley Coliseum · Pullman, WA |
| 4 | Sat Dec 5 | atColorado | PPD | 14-13 | .519 | - | | CU Events Center · Boulder, CO |
| 5 | Wed Dec 9 | vsIdaho | W61-58 | 4-0 | 1.000 | - | | Friel Court at Beasley Coliseum · Pullman, WA |
| 6 | Sun Dec 13 | vsPortland St | W69-60 | 5-0 | 1.000 | - | PACN | Friel Court at Beasley Coliseum · Pullman, WA |
| 7 | Fri Dec 18 | vsMontana St | W82-54 | 6-0 | 1.000 | - | PACN | Friel Court at Beasley Coliseum · Pullman, WA |
| 8 | Mon Dec 21 | vsPrairie View | W90-62 | 7-0 | 1.000 | - | PACN | Friel Court at Beasley Coliseum · Pullman, WA |
| 9 | Wed Dec 23 | vsN'Western St | W62-52 | 8-0 | 1.000 | - | PACN | Friel Court at Beasley Coliseum · Pullman, WA |
| 11 | Sat Jan 2 | vsArizona | L82-86 (2OT) | 8-1 | .889 | - | PACN | Friel Court at Beasley Coliseum · Pullman, WA |
| 12 | Thu Jan 7 | atCalifornia | W71-60 | 9-1 | .900 | - | PACN | Haas Pavilion · Berkeley, CA |
| 13 | Sat Jan 9 | atStanford | L60-75 | 9-2 | .818 | - | PACN | Maples Pavilion · Stanford, CA |
| 14 | Thu Jan 14 | atUCLA | L61-91 | 9-3 | .750 | - | FS1 | Pauley Pavilion · Los Angeles, CA |
| 15 | Sat Jan 16 | atUSC | L77-85 | 9-4 | .692 | - | | Galen Center · Los Angeles, CA |
| 16 | Thu Jan 21 | vsUtah | L56-71 | 9-5 | .643 | - | PACN | Friel Court at Beasley Coliseum · Pullman, WA |
| 17 | Sat Jan 23 | vsColorado | L59-70 | 9-6 | .600 | - | ESPN2 | Friel Court at Beasley Coliseum · Pullman, WA |
| 18 | Wed Jan 27 | atColorado | L58-70 | 9-7 | .563 | - | ESPNU | CU Events Center · Boulder, CO |
| 19 | Sun Jan 31 | atWashington | W77-62 | 10-7 | .588 | - | PACN | Alaska Airlines Arena · Seattle, WA |
| 20 | Thu Feb 4 | atOregon | W74-71 | 11-7 | .611 | - | FS1 | Matthew Knight Arena · Eugene, OR |
| 21 | Sat Feb 6 | atOregon St | L66-68 | 11-8 | .579 | - | | Gill Coliseum · Corvallis, OR |
| 22 | Thu Feb 11 | vsUCLA | W81-73 | 12-8 | .600 | - | FS1 | Friel Court at Beasley Coliseum · Pullman, WA |
| 23 | Sat Feb 13 | vs#20USC | L65-76 | 12-9 | .571 | - | ESPNU | Friel Court at Beasley Coliseum · Pullman, WA |
| 24 | Mon Feb 15 | vsWashington | L63-65 | 12-10 | .545 | - | PACN | Friel Court at Beasley Coliseum · Pullman, WA |
| 25 | Thu Feb 18 | vsCalifornia | W82-51 | 13-10 | .565 | - | PACN | Friel Court at Beasley Coliseum · Pullman, WA |
| 26 | Sat Feb 20 | vsStanford | W85-76 (3OT) | 14-10 | .583 | - | ESPN2 | Friel Court at Beasley Coliseum · Pullman, WA |
| 27 | Thu Feb 25 | atArizona | L53-69 | 14-11 | .560 | - | FS1 | McKale Center · Tucson, AZ |
| 28 | Sat Feb 27 | atArizona St | L74-77 (OT) | 14-12 | .538 | - | PACN | Desert Financial Arena · Tempe, AZ |
| 30 | Wed Mar 10 | atArizona St | L59-64 | 14-13 | .519 | - | PACN | T-Mobile Arena · Las Vegas, NV |
