2018 Washington State Cougars Third Down Conversion Defense Split Stats through 01/07/2019
| Split | G | Attempts | Conversions | Conversion % |
|---|---|---|---|---|
| All Games | 13 | 172 | 62 | 36.05 |
| at Home | 7 | 99 | 37 | 37.37 |
| on Road/Neutral Site | 6 | 73 | 25 | 34.25 |
| in Wins | 11 | 153 | 53 | 34.64 |
| in Losses | 2 | 19 | 9 | 47.37 |
| vs. Conference | 9 | 122 | 47 | 38.52 |
| vs. Non-Conference | 4 | 50 | 15 | 30.00 |
| vs. Ranked (AP) | 1 | 10 | 6 | 60.00 |
| vs. Unranked (AP) | 12 | 162 | 56 | 34.57 |
| vs. FBS (I-A) | 12 | 158 | 55 | 34.81 |
| vs. FCS (I-AA) | 1 | 14 | 7 | 50.00 |
| vs. FBS Winning | 6 | 79 | 31 | 39.24 |
| vs. FBS Non-Winning | 6 | 79 | 24 | 30.38 |
| vs. FBS Power 5 | 10 | 132 | 50 | 37.88 |
| vs. FBS non-Power 5 | 2 | 26 | 5 | 19.23 |
| in August/September | 5 | 65 | 20 | 30.77 |
| in October | 3 | 46 | 19 | 41.30 |
| in November | 4 | 51 | 20 | 39.22 |
| in December/January | 1 | 10 | 3 | 30.00 |