2015 Illinois Fighting Illini Third Down Conversion Defense Split Stats through 01/11/2016
| Split | G | Attempts | Conversions | Conversion % |
|---|---|---|---|---|
| All Games | 12 | 185 | 58 | 31.35 |
| at Home | 6 | 97 | 26 | 26.80 |
| on Road/Neutral Site | 6 | 88 | 32 | 36.36 |
| in Wins | 5 | 86 | 19 | 22.09 |
| in Losses | 7 | 99 | 39 | 39.39 |
| vs. Conference | 8 | 124 | 45 | 36.29 |
| vs. Non-Conference | 4 | 61 | 13 | 21.31 |
| vs. Ranked (AP) | 5 | 73 | 27 | 36.99 |
| vs. Unranked (AP) | 7 | 112 | 31 | 27.68 |
| vs. FBS (I-A) | 11 | 170 | 57 | 33.53 |
| vs. FCS (I-AA) | 1 | 15 | 1 | 6.67 |
| vs. FBS Winning | 7 | 104 | 37 | 35.58 |
| vs. FBS Non-Winning | 4 | 66 | 20 | 30.30 |
| vs. FBS Power 5 | 9 | 134 | 49 | 36.57 |
| vs. FBS non-Power 5 | 2 | 36 | 8 | 22.22 |
| in August/September | 4 | 61 | 13 | 21.31 |
| in October | 4 | 62 | 22 | 35.48 |
| in November | 4 | 62 | 23 | 37.10 |
| in December/January | 0 | 0 | 0 | - |