| 1 | Mon Nov 6 | vs Idaho | W84-59 | 1-0 | 1.000 | - | | Friel Court at Beasley Coliseum · Pullman, WA |
| 2 | Fri Nov 10 | vs Prairie View | W83-65 | 2-0 | 1.000 | - | | Friel Court at Beasley Coliseum · Pullman, WA |
| 3 | Sat Nov 18 | at Mississippi St | L64-76 | 2-1 | .667 | - | | Humphrey Coliseum · Starkville, MS |
| 4 | Sun Nov 19 | vs Rhode Island | W78-57 | 3-1 | .750 | - | ESPNU | Friel Court at Beasley Coliseum · Pullman, WA |
| 5 | Fri Nov 24 | vs Utah Tech | W93-53 | 4-1 | .800 | - | PACN | Friel Court at Beasley Coliseum · Pullman, WA |
| 6 | Mon Nov 27 | vs E Washington | W82-72 | 5-1 | .833 | - | PACN | Friel Court at Beasley Coliseum · Pullman, WA |
| 7 | Sat Dec 2 | vs Portland St | W71-61 | 6-1 | .857 | - | PACN | Friel Court at Beasley Coliseum · Pullman, WA |
| 8 | Wed Dec 6 | vs UC Riverside | W86-49 | 7-1 | .875 | - | PACN | Friel Court at Beasley Coliseum · Pullman, WA |
| 9 | Sun Dec 10 | vs Grambling | W83-65 | 8-1 | .889 | - | | Friel Court at Beasley Coliseum · Pullman, WA |
| 10 | Sat Dec 16 | at Santa Clara | L61-69 | 8-2 | .800 | - | PACN | Leavey Center · Santa Clara, CA |
| 11 | Thu Dec 21 | vs Boise St | W66-61 | 9-2 | .818 | - | | Friel Court at Beasley Coliseum · Pullman, WA |
| 12 | Fri Dec 29 | at Utah | L58-80 | 9-3 | .750 | - | PACN | Jon M. Huntsman Center · Salt Lake City, UT |
| 13 | Sun Dec 31 | at Colorado | L67-74 | 9-4 | .692 | - | PACN | CU Events Center · Boulder, CO |
| 14 | Thu Jan 4 | vs Oregon St | W65-58 | 10-4 | .714 | - | PACN | Friel Court at Beasley Coliseum · Pullman, WA |
| 15 | Sat Jan 6 | vs Oregon | L84-89 | 10-5 | .667 | - | ESPNU | Friel Court at Beasley Coliseum · Pullman, WA |
| 16 | Wed Jan 10 | at USC | W72-64 | 11-5 | .688 | - | FS1 | Galen Center · Los Angeles, CA |
| 17 | Sat Jan 13 | vs #8Arizona | W73-70 | 12-5 | .706 | - | PACN | Friel Court at Beasley Coliseum · Pullman, WA |
| 18 | Thu Jan 18 | at Stanford | W89-75 | 13-5 | .722 | - | PACN | Maples Pavilion · Stanford, CA |
| 19 | Sat Jan 20 | at California | L75-81 (OT) | 13-6 | .684 | - | PACN | Haas Pavilion · Berkeley, CA |
| 20 | Wed Jan 24 | vsUtah | W79-57 | 14-6 | .700 | - | PACN | Friel Court at Beasley Coliseum · Pullman, WA |
| 21 | Sat Jan 27 | vsColorado | W78-69 | 15-6 | .714 | - | PACN | Friel Court at Beasley Coliseum · Pullman, WA |
| 22 | Sat Feb 3 | at Washington | W90-87 (OT) | 16-6 | .727 | - | PACN | Alaska Airlines Arena · Seattle, WA |
| 23 | Thu Feb 8 | atOregon St | W64-58 | 17-6 | .739 | - | PACN | Gill Coliseum · Corvallis, OR |
| 24 | Sat Feb 10 | atOregon | W62-56 | 18-6 | .750 | - | PACN | Matthew Knight Arena · Eugene, OR |
| 25 | Thu Feb 15 | vsCalifornia | W84-65 | 19-6 | .760 | - | PACN | Friel Court at Beasley Coliseum · Pullman, WA |
| 26 | Sat Feb 17 | vsStanford | W72-59 | 20-6 | .769 | - | PACN | Friel Court at Beasley Coliseum · Pullman, WA |
| 27 | Thu Feb 22 | at#4Arizona | W77-74 | 21-6 | .778 | #21 | FS1 | McKale Center · Tucson, AZ |
| 28 | Sat Feb 24 | at Arizona St | L61-73 | 21-7 | .750 | #21 | ESPN2 | Desert Financial Arena · Tempe, AZ |
| 29 | Thu Feb 29 | vsUSC | W75-72 | 22-7 | .759 | #19 | PACN | Friel Court at Beasley Coliseum · Pullman, WA |
| 30 | Sat Mar 2 | vs UCLA | W77-65 | 23-7 | .767 | #19 | PACN | Friel Court at Beasley Coliseum · Pullman, WA |
| 31 | Thu Mar 7 | vsWashington | L68-74 | 23-8 | .742 | #18 | FS1 | Friel Court at Beasley Coliseum · Pullman, WA |
| 32 | Thu Mar 14 | vsStanford | W79-62 | 24-8 | .750 | #22 | PACN | Friel Court at Beasley Coliseum · Pullman, WA |
| 33 | Fri Mar 15 | vsColorado | L52-58 | 24-9 | .727 | #22 | FS1 | Friel Court at Beasley Coliseum · Pullman, WA |
| 34 | Thu Mar 21 | vs #10Drake | W66-61 | 25-9 | .735 | #7 | truTV | Friel Court at Beasley Coliseum · Pullman, WA |
| 35 | Sat Mar 23 | at #2Iowa State | L56-67 | 25-10 | .714 | #7 | TNT | James H. Hilton Coliseum · Ames, IA |
