| Day | Date | Opponent | Location | TV | Outcome/Time |
| Thu | 11/14/2002 | Basketball Travelers (Exhibition) | Pullman | | W, 109-89
Recap | Box Score |
| Mon | 11/18/2002 | Lewis-Clark State (Exhibition) | Pullman | | W, 90-77
Recap | Box Score |
| Sat | 11/23/2002 | San Jose St | Pullman | | W, 76-68
Recap | Box Score |
| Mon | 11/25/2002 | Southern Utah | Pullman | | W, 72-66
Recap | Final Stats |
| Sat | 11/30/2002 | TCU | Fort Worth | | L, 86-83
Recap | Box Score |
| Wed | 12/04/2002 | Idaho | Moscow | | L, 62-58
Recap | Box Score |
| Sat | 12/07/2002 | Gonzaga | Pullman | | L, 110-104 (OT)
Recap | Box Score |
| Tue | 12/10/2002 | Montana | Pullman | | W, 73-61
Recap | Box Score |
| Sat | 12/14/2002 | Colorado St | Fort Collins | | L, 90-79
Recap | Box Score |
| Sat | 12/21/2002 | High Point | Spokane (Spokane Arena) | | W, 78-71
Recap | Box Score |
| Mon | 12/23/2002 | Fresno State | Pullman | | W, 69-66
Recap | Final Stats |
| Thu | 01/02/2003 | USC | Pullman | | L, 97-90
Recap | Box Score |
| Sat | 01/04/2003 | UCLA | Pullman | FOX Sports Net | L, 98-83
Recap | Box Score |
| Thu | 01/09/2003 | Arizona | Tucson | FOX Sports Net | L, 82-69
Recap | Box Score |
| Sat | 01/11/2003 | Arizona State | Tempe | FOX Sports Net Arizona | L, 96-55
Recap | Box Score |
| Thu | 01/16/2003 | Stanford | Pullman | | L, 73-68 (OT)
Recap | Box Score |
| Sat | 01/18/2003 | California | Pullman | FOX Sports Net Northwest | L, 76-63
Recap | Box Score |
| Thu | 01/23/2003 | Oregon St | Corvallis | | L, 63-48
Recap | Box Score |
| Sat | 01/25/2003 | Oregon | Eugene | Oregon Sports Network | L, 76-66
Recap | Box Score |
| Fri | 01/31/2003 | Washington | Seattle | | L, 81-67
Recap | Final Stats | Gametracker |
| Thu | 02/06/2003 | Arizona State | Pullman | | L, 87-54
Recap | Box Score |
| Sat | 02/08/2003 | Arizona | Pullman | FOX Sports Net Northwest/Arizona | L, 75-62
Recap | Box Score |
| Thu | 02/13/2003 | California | Berkeley | | L, 63-53
Recap | Box Score | Gametracker |
| Sat | 02/15/2003 | Stanford | Stanford | FOX Sports Net | L, 72-54
Recap | Box Score | Gametracker |
| Thu | 02/20/2003 | Oregon | Pullman | | L, 89-70
Recap | Box Score |
| Sat | 02/22/2003 | Oregon St | Pullman | FOX Sports Net Northwest | W, 75-71
Recap |
| Sat | 03/01/2003 | Washington | Pullman | FOX Sports Net Northwest | W, 98-76
Recap | Box Score |
| Thu | 03/06/2003 | UCLA | Los Angeles | | L, 86-71
Recap | Box Score |
| Sat | 03/08/2003 | USC | Los Angeles | FOX Sports Net | L, 86-68
Recap | Box Score |
