| Day | Date | Opponent | Location | TV | Outcome/Time |
| Fri | 01/31/2003 | San Jose St | Berkeley | | W, 3-1
Box Score |
| Fri | 01/31/2003 | Tennessee | Berkeley | | W, 8-4
Recap | Box Score |
| Sat | 02/01/2003 | Tennessee | Berkeley | | W, 11-1
Box Score |
| Sat | 02/01/2003 | San Jose St | Berkeley | | W, 9-0
Recap | Box Score |
| Sat | 02/08/2003 | Pacific | Berkeley | | W, 4-0
Recap | Box Score |
| Sun | 02/09/2003 | St Mary's | Berkeley | | W, 8-2
Box Score |
| Sun | 02/09/2003 | St Marys | Berkeley | | W, 8-1
Recap | Box Score |
| Fri | 02/14/2003 | Purdue (UNLV Tournament) | Las Vegas, NV | | W, 1-0
Recap | Box Score |
| Fri | 02/14/2003 | Texas Tech (UNLV Tournament) | Las Vegas, NV | | W, 7-0
Recap | Box Score |
| Sat | 02/15/2003 | Nebraska (UNLV Tournament) | Las Vegas, NV | | L, 6-1
Recap | Box Score |
| Sat | 02/15/2003 | Portland St (UNLV Tournament) | Las Vegas, NV | | W, 5-0
Recap | Box Score |
| Sun | 02/16/2003 | Hawaii (UNLV Tournament) | Las Vegas, NV | | L, 1-0
Recap | Box Score |
| Sat | 02/22/2003 | Alabama (NFCA Leadoff Classic) | Columbus, GA | | L, 4-2
Box Score |
| Sat | 02/22/2003 | Notre Dame (NFCA Leadoff Classic) | Columbus, GA | | W, 6-0
Recap | Box Score |
| Sun | 02/23/2003 | Illinois St. (NFCA Leadoff Classic) | Columbus, GA | | W, 11-0
Recap | Box Score |
| Fri | 02/28/2003 | Northwestern (Worth Tournament) | Fullerton, CA | | L, 4-3 (8)
Box Score |
| Fri | 02/28/2003 | Cal Fullerton (Worth Tournament) | Fullerton, CA | | L, 5-4
Recap | Box Score |
| Sat | 03/01/2003 | Ohio State (Worth Tournament) | Fullerton, CA | | L, 1-0
Box Score |
| Sat | 03/01/2003 | Pacific (Worth Tournament) | Fullerton, CA | | W, 7-0
Recap | Box Score |
| Sun | 03/02/2003 | Minnesota (Worth Tournament) | Fullerton, CA | | W, 7-0
Recap | Box Score |
| Fri | 03/07/2003 | Minnesota (NIST Tournament) | Sunnyvale, CA | | W, 3-2
Box Score |
| Fri | 03/07/2003 | Sacramento St (NIST Tournament) | Sunnyvale, CA | | W, 4-0
Recap | Box Score |
| Sat | 03/08/2003 | Georgia Tech (NIST Tournament) | Sunnyvale, CA | | W, 1-0 (8)
Box Score |
| Sat | 03/08/2003 | Arizona State (NIST Tournament) | Sunnyvale, CA | | W, 6-1
Recap | Box Score |
| Sun | 03/09/2003 | Oregon (NIST Tournament) | Sunnyvale, CA | | W, 6-0
Recap | Box Score |
| Fri | 03/14/2003 | Florida Atlantic (Florida International) | Miami, FL | | W, 10-2 (5)
Box Score |
| Fri | 03/14/2003 | Syracuse (Florida International) | Miami, FL | | W, 8-0 (5)
Recap | Box Score |
| Sat | 03/15/2003 | UMASS (Florida International) | Miami, FL | | W, 6-4
Box Score |
| Sat | 03/15/2003 | Florida International (Florida International) | Miami, FL | | W, 5-1
Recap | Box Score |
| Sun | 03/16/2003 | Florida International | Miami, FL | | Cancelled
Recap |
| Thu | 03/20/2003 | Long Island (Sacramento Capital Classic) | Sacramento, CA | | W, 9-0 (6)
Recap | Box Score |
| Fri | 03/21/2003 | Eastern Kentucky (Sacramento Capital Classic) | Sacramento, CA | | W, 9-0 (5)
Box Score |
| Fri | 03/21/2003 | Utah State (Sacramento Capital Classic) | Sacramento, CA | | W, 5-1
Recap | Box Score |
| Sat | 03/22/2003 | UNLV (Sacramento Capital Classic) | Sacramento, CA | | W, 1-0
Recap | Box Score |
| Sat | 03/22/2003 | Iowa (Sacramento Capital Classic) | Sacramento, CA | | L, 4-3
Box Score |
| Sun | 03/23/2003 | Illinois (Sacramento Capital Classic) | Sacramento, CA | | Cancelled
Recap |
| Wed | 03/26/2003 | UC Santa Barbara | Berkeley | | W, 6-2
Recap | Box Score |
| Fri | 03/28/2003 | Washington* | Berkeley | | W, 2-0
Recap | Box Score |
| Sat | 03/29/2003 | UCLA* | Berkeley | | L, 3-0
Recap | Box Score |
| Sun | 03/30/2003 | UCLA* | Berkeley | | L, 4-1 (8)
Recap | Box Score |
| Fri | 04/04/2003 | Oregon St* | Berkeley | | W, 7-2
Recap | Box Score |
| Sat | 04/05/2003 | Oregon* | Berkeley | | W, 4-0
Recap | Box Score |
| Sun | 04/06/2003 | Oregon* | Berkeley | | W, 4-1
Recap | Box Score |
| Wed | 04/09/2003 | Sacramento St | Sacramento, CA | | W, 7-1
Box Score |
| Wed | 04/09/2003 | Sacramento St | Sacramento, CA | | W, 4-1
Recap | Box Score |
| Fri | 04/11/2003 | Arizona State* | Tempe, AZ | | L, 1-0
Recap | Box Score |
| Sat | 04/12/2003 | Arizona* | Tucson, AZ | | L, 7-5
Recap | Box Score |
| Sun | 04/13/2003 | Arizona* | Tucson, AZ | | L, 1-0
Recap | Box Score |
| Wed | 04/16/2003 | Santa Clara | Berkeley | | W, 4-0
Recap | Box Score |
| Fri | 04/18/2003 | Stanford* | Stanford, CA | | W, 2-1
Recap | Box Score |
| Sat | 04/19/2003 | Stanford* | Berkeley | | W, 1-0
Box Score |
| Sat | 04/19/2003 | Stanford* | Berkeley | | W, 2-1
Recap | Box Score |
| Fri | 04/25/2003 | UCLA* | Los Angeles, CA | | L, 10-0 (5)
Recap | Box Score |
| Sat | 04/26/2003 | Washington* | Seattle, WA | | W, 1-0
Recap | Box Score |
| Sun | 04/27/2003 | Washington* | Seattle, WA | | L, 5-2
Recap | Box Score |
| Sat | 05/03/2003 | Arizona State* | Berkeley | | W, 10-1 (5)
Recap | Box Score |
| Sun | 05/04/2003 | Arizona State* | Berkeley | | L, 1-0 (9)
Recap | Box Score |
| Mon | 05/05/2003 | Arizona | Berkeley | | L, 6-0
Recap | Box Score |
| Fri | 05/09/2003 | Oregon * | Eugene, OR | | L, 9-1 (6)
Recap | Box Score |
| Sat | 05/10/2003 | Oregon St* | Corvallis, OR | | L, 5-3
Recap | Box Score |
| Sat | 05/10/2003 | Oregon St* | Corvallis, OR | | W, 6-2
Recap | Box Score |
| Thu | 05/15/2003 | Oakland (NCAA Regionals) | Ann Arbor, MI | | W, 8-0 (6)
Recap | Box Score | Quotes | Live Stats | Listen |
| Fri | 05/16/2003 | Michigan (NCAA Regionals) | Ann Arbor, MI | | W, 9-0 (5)
Recap | Box Score | Live Stats | Listen |
| Sat | 05/17/2003 | DePaul (NCAA Regionals) | Ann Arbor, MI | | W, 1-0
Recap | Box Score | Quotes | Live Stats | Listen |
| Sun | 05/18/2003 | Michigan (NCAA Regionals) | Ann Arbor, MI | | W, 1-0
Recap | Box Score | Quotes |
| Thu | 05/22/2003 | UCLA (WCWS) | Oklahoma City, OK | ESPN2 | W, 7-3 (10)
Recap | Box Score | Quotes | Notes | Photo Gallery | Livestats |
| Fri | 05/23/2003 | Texas (WCWS) | Oklahoma City, Okla. | espn2 | L, 1-0
Recap | Box Score | Quotes | Notes | Photo Gallery | Livestats |
| Sat | 05/24/2003 | Oklahoma (WCWS) | Oklahoma City, Okla. | | W, 5-2
Recap | Box Score | Quotes | Notes | Photo Gallery | Livestats |
| Sun | 05/25/2003 | Arizona (WCWS) | Oklahoma City, Okla. | ESPN | W, 2-1 (12)
Recap | Box Score | Notes | Photo Gallery | Livestats |
| Sun | 05/25/2003 | Arizona (WCWS) | Oklahoma City, Okla. | espn2 | W, 4-1
Recap | Box Score | Quotes | Notes | Photo Gallery | Livestats |
| Mon | 05/26/2003 | UCLA (WCWS) | Oklahoma City, Okla. | ESPN | L, 1-0 (9)
Recap | Quotes | Notes | Photo Gallery | Livestats |
