| Day | Date | Opponent | Location | Outcome/Time |
| Sat | 10/04/2003 | Lewis | Flames Field (UIC Fall Round-Robin) | W, 3-2 Recap | Box Score |
| Sat | 10/04/2003 | IPFW | Flames Field (UIC Fall Round-Robin) | W, 10-0 (5 inn.) Recap | Box Score |
| Sat | 10/11/2003 | Loyola | Flames Field (Battle in the Windy City Tour.) | L, 4-2 Recap | Box Score |
| Sat | 10/11/2003 | DePaul | Flames Field (Battle in the Windy City Tour.) | L, 4-2 Recap | Final Stats |
| Sat | 10/11/2003 | Northwestern | Flames Field (Battle in the Windy City Tour.) | L, 5-4 Recap | Box Score |
| Fri | 01/30/2004 | UC-Santa Barbara | Santa Barbara, Calif. (UCSB Tourn.) | L, 5-0 Recap | Box Score |
| Fri | 01/30/2004 | Long Beach St. | Santa Barbara, Calif. (UCSB Tourn.) | L, 5-4 (8 inn.) Recap | Box Score |
| Sat | 01/31/2004 | Oregon State | Santa Barbara, Calif. (UCSB Tourn.) | L, 3-0 Recap | Box Score |
| Sat | 01/31/2004 | Santa Clara | Santa Barbara, Calif. (UCSB Tourn.) | L, 7-1 Recap | Box Score |
| Sun | 02/01/2004 | UC-Santa Barbara | Santa Barbara, Calif. (UCSB Tourn.) | L, 12-4 (5 inn.) Recap | Box Score |
| Sat | 02/14/2004 | Southern Illinois | University, Miss. (Ole Miss Tournament) | L, 2-1 Box Score |
| Sat | 02/14/2004 | Tulsa | University, Miss. (Ole Miss Tournament) | L, 11-1 (5 inn.) Box Score |
| Sat | 02/14/2004 | Indiana State | University, Miss. (Ole Miss Tournament) | W, 3-1 Recap | Box Score |
| Sun | 02/15/2004 | UT-Martin | University, Miss. (Ole Miss Tournament) | Postponed |
| Sun | 02/15/2004 | Mississippi | University, Miss. (Ole Miss Tournament) | Postponed |
| Fri | 02/20/2004 | Portland State | Las Cruces, N.M. (Troy Cox Classic) | L, 8-0 Recap | Box Score |
| Fri | 02/20/2004 | Colorado State | Las Cruces, N.M. (Troy Cox Classic) | L, 6-1 Recap | Box Score | Gametracker |
| Sat | 02/21/2004 | Texas State | Las Cruces, N.M. (Troy Cox Classic) | W, 10-2 Recap | Box Score |
| Sat | 02/21/2004 | New Mexico State | Las Cruces, N.M. (Troy Cox Classic) | W, 4-1 Recap | Box Score |
| Sun | 02/22/2004 | New Mexico State | Las Cruces, N.M. (Troy Cox Classic) | L, 5-1 Recap | Box Score |
| Thu | 03/04/2004 | Long Island | Clearwater, Fla. (Speedline Classic) | W, 7-5 Recap | Box Score |
| Thu | 03/04/2004 | Mercer | Clearwater, Fla. (Speedline Classic) | W, 2-1 (8 inn.) Recap | Box Score |
| Fri | 03/05/2004 | South Florida | Clearwater, Fla. (Speedline Classic) | L, 6-4 Recap | Box Score |
| Fri | 03/05/2004 | Purdue | Clearwater, Fla. (Speedline Classic) | L, 3-2 Recap | Box Score |
| Sat | 03/06/2004 | Mississippi | Clearwater, Fla. (Speedline Classic) | L, 2-0 Recap | Box Score |
| Sun | 03/07/2004 | Jacksonville | Clearwater, Fla. (Speedline Classic) | W, 7-5 Box Score |
| Sun | 03/07/2004 | Northern Illinois | Clearwater, Fla. (Speedline Classic) | W, 5-4 Recap | Box Score |
| Sat | 03/20/2004 | UC-Santa Barbara | Palo Alto, Calif. (Stanfourd Tourn.) | W, 4-3 (8 inn.) Box Score |
| Sat | 03/20/2004 | Stanford | Palo Alto, Calif. (Stanford Tourn.) | L, 3-0 Recap | Box Score | Gametracker |
| Sun | 03/21/2004 | UC-Santa Barbara | Palo Alto, Calif. (Stanford Tourn.) | W, 3-1 Box Score |
| Sun | 03/21/2004 | Stanford | Palo Alto, Calif. (Stanford Tourn.) | W, 3-2 Recap | Box Score | Gametracker |
| Tue | 03/23/2004 | San Jose State | San Jose, Calif. | W, 5-4 (9 inn.) Recap | Box Score |
| Tue | 03/23/2004 | San Jose State | San Jose, Calif. | L, 13-9 Box Score |
| Tue | 03/30/2004 | Northwestern | Evanston, Ill. | L, 8-3 Recap | Box Score |
| Wed | 03/31/2004 | Indiana | Flames Field | L, 4-2 (10 inn.) Recap | Box Score |
| Wed | 03/31/2004 | Indiana | Flames Field | L, 8-4 Box Score |
| Thu | 04/01/2004 | Bradley | Flames Field | W, 2-1 Recap | Box Score |
| Thu | 04/01/2004 | Bradley | Flames Field | W, 2-1 Box Score |
| Sat | 04/03/2004 | Youngstown State | Youngstown, Ohio | Cancelled |
| Sat | 04/03/2004 | Youngstown State | Youngstown, Ohio | Cancelled |
| Sun | 04/04/2004 | Youngstown State | Youngstown, Ohio | Cancelled |
| Tue | 04/06/2004 | Wisconsin | Madison, Wis. | W, 4-3 (10 inn.) Recap | Box Score |
| Thu | 04/08/2004 | Loyola | Flames Field | W, 13-9 Recap | Box Score | Gametracker |
| Sat | 04/10/2004 | Loyola | Flames Field | W, 3-2 Recap | Box Score | Gametracker |
| Sat | 04/10/2004 | Loyola | Flames Field | W, 4-3 Recap | Box Score | Gametracker |
| Mon | 04/12/2004 | Butler | Indianapolis, Ind. | W, 16-6 Recap | Box Score |
| Mon | 04/12/2004 | Butler | Indianapolis, Ind. | W, 9-2 (6 inn.) Box Score |
| Thu | 04/15/2004 | Notre Dame | South Bend, Ind. | W, 4-3 (10 inn.) Recap | Box Score | Gametracker |
| Sat | 04/17/2004 | UW-Green Bay | Flames Field | W, 1-0 Recap | Box Score | Gametracker |
| Sat | 04/17/2004 | UW-Green Bay | Flames Field | L, 5-3 Recap | Box Score | Gametracker |
| Sun | 04/18/2004 | UW-Green Bay | Flames Field | W, 5-2 Recap | Box Score | Gametracker |
| Mon | 04/19/2004 | Valparaiso | Flames Field | W, 15-0 Recap | Box Score | Gametracker |
| Mon | 04/19/2004 | Valparaiso | Flames Field | W, 8-0 (6 inn.) Recap | Box Score | Gametracker |
| Tue | 04/20/2004 | Western Illinois | Macomb, Ill. | Cancelled |
| Tue | 04/20/2004 | Western Illinois | Macomb, Ill. | Cancelled |
| Thu | 04/22/2004 | Notre Dame | Flames Field | L, 8-0 Recap | Box Score | Gametracker |
| Sat | 04/24/2004 | Detroit | Detroit, Mich. | W, 5-4 Box Score |
| Sat | 04/24/2004 | Detroit | Detroit, Mich. | W, 3-1 Recap | Box Score |
| Sun | 04/25/2004 | Detroit | Detroit, Mich. | W, 7-1 Recap | Box Score |
| Tue | 04/27/2004 | Butler | Flames Field | W, 4-1 Recap | Box Score | Gametracker |
| Thu | 04/29/2004 | DePaul | Flames Field | W, 6-4 Recap | Box Score | Gametracker |
| Thu | 04/29/2004 | DePaul | Flames Field | W, 6-1 Box Score | Gametracker |
| Sat | 05/01/2004 | Cleveland State | Cleveland, Ohio | W, 13-0 Recap | Box Score |
| Sat | 05/01/2004 | Cleveland State | Cleveland, Ohio | W, 12-1 (6 inn.) Box Score |
| Sun | 05/02/2004 | Cleveland State | Cleveland, Ohio | Cancelled |
| Thu | 05/06/2004 | Wisconsin | Flames Field | L, 5-4 Recap | Box Score | Gametracker |
| Sat | 05/08/2004 | Wright State | Flames Field | W, 4-1 Recap | Box Score | Gametracker |
| Sat | 05/08/2004 | Wright State | Flames Field | W, 6-2 Box Score | Gametracker |
| Sun | 05/09/2004 | Wright State | Flames Field | W, 8-0 (6 inn.) Recap | Box Score | Gametracker |
| Thu | 05/13/2004 | #8 Wright State | Flames Field (Horizon League Tournament) | W, 3-2 Recap | Box Score | Gametracker |
| Fri | 05/14/2004 | Butler | Flames Field (Horizon League Tournament) | W, 10-1 (6 inn.) Recap | Box Score | Gametracker |
| Sat | 05/15/2004 | Loyola | Flames Field (Horizon League Tournament) | W, 6-2 Recap | Box Score | Gametracker |
| Sun | 05/16/2004 | Loyola | Flames Field (Horizon League Tournament) | W, 4-0 Recap | Box Score | Gametracker |
| Thu | 05/20/2004 | Tennessee | Ann Arbor, Mich. (NCAA Tournament) | L, 10-0 (5 inn.) Recap | Box Score |
| Thu | 05/20/2004 | Bowling Green | Ann Arbor, Mich. (NCAA Tournament) | W, 2-1 (8 inn.) Recap | Box Score |
| Sat | 05/22/2004 | Notre Dame | Ann Arbor, Mich. (NCAA Tournament) | W, 2-1 Recap | Box Score | Livestats |
| Sat | 05/22/2004 | Tennessee | Ann Arbor, Mich. (NCAA Tournament) | W, 6-5 Recap | Box Score | Livestats |
| Sun | 05/23/2004 | Oregon St | Ann Arbor, Mich. (NCAA Tournament) | L, 6-5 Recap | Box Score | Livestats |