| 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 | 333 | 0.000 | (0,0) | 0.000 | --bye-- |
| 3 | 342 | 0.000 | (0,0) | 0.000 | --bye-- |
| 4 | 490 | -0.710 | (0,1) | 0.290 | San Diego | 35 to 42 | 263 | 182 |
| 5 | 152 | 0.894 | (1,1) | 0.894 | Lafayette | 38 to 28 | 173 | 179 |
| 6 | 151 | 0.904 | (2,1) | 0.571 | Columbia | 17 to 10 | 272 | 275 |
| 7 | 164 | 0.839 | (2,2) | 0.839 | Mercer | 14 to 38 | 89 | 108 |
| 8 | 133 | 0.978 | (3,2) | 0.778 | Brown | 40 to 21 | 158 | 212 |
| 9 | 160 | 0.782 | (3,3) | 0.782 | Harvard | 14 to 35 | 90 | 71 |
| 10 | 203 | 0.612 | (3,4) | 0.755 | Cornell | 17 to 20 | 228 | 228 |
| 11 | | | | | Dartmouth | | | 111 |
| 12 | | | | | Yale | | | 119 |
| 13 | | | | | Penn | | | 114 |
| 14 | | | | | --bye-- |
| 15 | | | | | --bye-- |
| 16 | | | | | --bye-- |
| 17 | | | | | --bye-- |
| 18 | | | | | --bye-- |
| 19 | | | | | --bye-- |
| 20 | | | | | --bye-- |
| 21 | | | | | --bye-- |