| 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 | 398 |
| 3 | 265 | 0.400 | (1,1) | 0.400 | Bluffton | 45 to 39 | 497 | 589 |
| 4 | 330 | 0.042 | (2,1) | -0.291 | Rose-Hulman | 25 to 17 | 556 | 611 |
| 5 | 465 | -0.620 | (2,2) | -0.620 | Trine | 35 to 38 | 369 | 467 |
| 6 | 526 | -0.961 | (2,3) | -0.761 | Adrian | 7 to 28 | 437 | 392 |
| 7 | 511 | -0.887 | (2,3) | -0.687 | --bye-- |
| 8 | 501 | -0.833 | (2,4) | -0.499 | Alma | 27 to 48 | 296 | 308 |
| 9 | 577 | -1.141 | (2,5) | -0.712 | Kalamazoo | 26 to 30 | 568 | 587 |
| 10 | 571 | -1.120 | (2,6) | -0.620 | Hope | 0 to 62 | 328 | 325 |
| 11 | 554 | -1.039 | (3,6) | -0.705 | Olivet MI | 58 to 42 | 628 | 631 |
| 12 | 570 | -1.117 | (3,7) | -0.717 | Calvin | 24 to 53 | 398 | 400 |
| 13 | 575 | -1.149 | (3,7) | -0.749 | --bye-- |
| 14 | 575 | -1.145 | (3,7) | -0.745 | --bye-- |
| 15 | 575 | -1.133 | (3,7) | -0.733 | --bye-- |
| 16 | 571 | -1.116 | (3,7) | -0.716 | --bye-- |
| 17 | 570 | -1.106 | (3,7) | -0.706 | --bye-- |
| 18 | 570 | -1.106 | (3,7) | -0.706 | --bye-- |
| 19 | 570 | -1.106 | (3,7) | -0.706 | --bye-- |
| 20 | | | | | --bye-- |
| 21 | | | | | --bye-- |