2018 Duke Blue Devils Opponent First Down Split Stats through 01/07/2019
| Split | G | Rush | Pass | Penalty | Total |
|---|---|---|---|---|---|
| All Games | 13 | 134 | 124 | 14 | 272 |
| at Home | 6 | 59 | 53 | 6 | 118 |
| on Road/Neutral Site | 7 | 75 | 71 | 8 | 154 |
| in Wins | 8 | 69 | 72 | 10 | 151 |
| in Losses | 5 | 65 | 52 | 4 | 121 |
| vs. Conference | 8 | 103 | 73 | 6 | 182 |
| vs. Non-Conference | 5 | 31 | 51 | 8 | 90 |
| vs. Ranked (AP) | 3 | 28 | 35 | 4 | 67 |
| vs. Unranked (AP) | 10 | 106 | 89 | 10 | 205 |
| vs. FBS (I-A) | 12 | 131 | 123 | 10 | 264 |
| vs. FCS (I-AA) | 1 | 3 | 1 | 4 | 8 |
| vs. FBS Winning | 9 | 91 | 93 | 9 | 193 |
| vs. FBS Non-Winning | 3 | 40 | 30 | 1 | 71 |
| vs. FBS Power 5 | 10 | 117 | 101 | 9 | 227 |
| vs. FBS non-Power 5 | 2 | 14 | 22 | 1 | 37 |
| in August/September | 5 | 32 | 49 | 7 | 88 |
| in October | 3 | 44 | 23 | 3 | 70 |
| in November | 4 | 55 | 37 | 3 | 95 |
| in December/January | 1 | 3 | 15 | 1 | 19 |