| Week | Rank | Rate | Record | SOS | Opponent | Score | Rank Then | Rank Now |
| 0 | 9 | 0.000 | (0,0) | 0.000 | --bye-- |
| 1 | 188 | 0.000 | (0,0) | 0.000 | --bye-- |
| 2 | 443 | -0.500 | (0,1) | 0.500 | WI Stevens Pt | 21 to 28 | 166 | 381 |
| 3 | 265 | 0.400 | (1,1) | 0.400 | Bluffton | 45 to 39 | 497 | 561 |
| 4 | 330 | 0.042 | (2,1) | -0.291 | Rose-Hulman | 25 to 17 | 556 | 612 |
| 5 | 465 | -0.599 | (2,2) | -0.599 | Trine | 35 to 38 | 369 | 454 |
| 6 | 526 | -0.915 | (2,3) | -0.715 | Adrian | 7 to 28 | 436 | 391 |
| 7 | 511 | -0.834 | (2,3) | -0.634 | --bye-- |
| 8 | 501 | -0.768 | (2,4) | -0.435 | Alma | 27 to 48 | 293 | 311 |
| 9 | 577 | -1.065 | (2,5) | -0.636 | Kalamazoo | 26 to 30 | 568 | 583 |
| 10 | 571 | -1.035 | (2,6) | -0.535 | Hope | 0 to 62 | 324 | 324 |
| 11 | | | | | Olivet MI | | | 616 |
| 12 | | | | | Calvin | | | 388 |
| 13 | | | | | --bye-- |
| 14 | | | | | --bye-- |
| 15 | | | | | --bye-- |
| 16 | | | | | --bye-- |
| 17 | | | | | --bye-- |
| 18 | | | | | --bye-- |
| 19 | | | | | --bye-- |
| 20 | | | | | --bye-- |
| 21 | | | | | --bye-- |