| Date | Location | Result | |
| 5-17-12 | Millington, Tenn. | Illinois Wesleyan 3, Washington U. 2 | Box score |
| 5-16-12 | Millington, Tenn. | Webster 11, Washington U. 5 | Box score |
| 5-2-12 | St. Louis, Mo. | Washington U. 11, Fontbonne 3 | Box score |
| 4-29-12 | Cedar Rapids, Iowa | Washington U. 11, Grinnell 7 | Box score |
| 4-29-12 | Cedar Rapids, Iowa | Washington U. 5, Coe College 4 | Box score |
| 4-26-12 | Greencastle, Indiana | Washington U. 7, DePauw 6 | Box score |
| 4-24-12 | Bloomington, Ill. | Illinois Wesleyan 2, Washington U. 1 | Box score |
| 4-22-12 | St. Louis, Mo. | Washington U. 9, Chicago 8 | Box score |
| 4-22-12 | St. Louis, Mo. | Chicago 7, Washington U. 1 | Box score |
| 4-21-12 | St. Louis, Mo. | Chicago 11, Washington U. 1 | Box score |
| 4-21-12 | St. Louis, Mo. | Chicago 5, Washington U. 2 | Box score |
| 4-17-12 | Sauget, Ill. | Webster 12, Washington U. 9 | Box score |
| 4-7-12 | St. Louis, Mo. | Hendrix College 5, Washington U. 2 | Box score |
| 4-7-12 | St. Louis, Mo. | Washington U. 7, Hendrix College 2 | Box score |
| 4-6-12 | St. Louis, Mo. | Washington U. 6, Hendrix College 4 | Box score |
| 4-4-12 | St. Louis, Mo. | Washington U. 7, Rose-Hulman 0 | Box score |
| 4-1-12 | St. Louis, Mo. | Washington U. 25, St. Norbert College 13 | Box score |
| 3-31-12 | St. Louis, Mo. | Washington U. 8, St. Norbert College 6 | Box score |
| 3-31-12 | St. Louis, Mo. | Washington U. 3, St. Norbert College 2 | Box score |
| 3-24-12 | St. Louis, Mo. | Washington U. 7, UW-Platteville 2 | Box score |
| 3-24-12 | St. Louis, Mo. | Washington U. 10, Wheaton 9 | Box score |
| 3-23-12 | St. Louis, Mo. | Washington U. 5, Wheaton 3 | Box score |
| 3-23-12 | St. Louis, Mo. | Washington U. 7, UW-Platteville 3 | Box score |
| 3-21-12 | St. Louis, Mo. | Washington U. 12, Webster 7 | Box score |
| 3-17-12 | Sanford, Fla. | Univ. of Rochester 4, Washington U. 3 | Box score |
| 3-16-12 | Sanford, Fla. | Emory University 2, Washington U. 0 | Box score |
| 3-15-12 | Sanford, Fla. | Case Western Reserve 4, Washington U. 2 | Box score |
| 3-14-12 | Sanford, Fla. | Washington U. 5, Brandeis University 3 | Box score |
| 3-14-12 | Sanford, Fla. | Washington U. 10, Emory University 1 | Box score |
| 3-13-12 | Sanford, Fla. | Washington U. 3, Case Western Reserve 2 | Box score |
| 3-12-12 | Sanford, Fla. | Washington U. 14, Brandeis University 2 | Box score |
| 3-11-12 | Sanford, Fla. | Washington U. 1, Univ. of Rochester 0 | Box score |
| 3-7-12 | St. Louis, Mo. | Washington U. 15, Westminster 6 | Box score |
| 3-6-12 | St. Louis, Mo. | Washington U. 10, Fontbonne 1 | Box score |
| 3-4-12 | St. Louis, Mo. | Washington U. 7, St. Scholastica 5 | Box score |
| 3-4-12 | St. Louis, Mo. | Washington U. 14, Buena Vista 10 | Box score |
| 3-3-12 | St. Louis, Mo. | Washington U. 11, St. Scholastica 8 | Box score |
| 3-2-12 | St. Louis, Mo. | Washington U. 21, Buena Vista 9 | Box score |
| 2-28-12 | St. Louis, Mo. | Washington U. 6, Greenville 5 | Box score |
| 2-26-12 | St. Louis, Mo. | DePauw 22, Washington U. 9 | Box score |
| 2-26-12 | St. Louis, Mo. | DePauw 12, Washington U. 3 | Box score |
| 2-25-12 | St. Louis, Mo. | DePauw 4, Washington U. 2 | Box score |