Dixon tops practice 1 for open test at Texas
| Pos | No | Name | FTime | Diff | Gap | FL | Laps | FSpeed | Engine |
| 1 | 83 | Scott Dixon | 23.468 | 0.0000 | 0.0000 | 12 | 47 | 219.362 | Honda |
| 2 | 12 | Will Power | 23.858 | 0.3894 | 0.3894 | 65 | 74 | 215.781 | Chevy |
| 3 | 1 | Simon Pagenaud | 24.060 | 0.5918 | 0.2024 | 65 | 87 | 213.966 | Chevy |
| 4 | 3 | Helio Castroneves | 24.077 | 0.6087 | 0.0169 | 30 | 67 | 213.816 | Chevy |
| 5 | 15 | Graham Rahal | 24.098 | 0.6301 | 0.0214 | 48 | 68 | 213.626 | Honda |
| 6 | 20 | Ed Carpenter | 24.165 | 0.6966 | 0.0665 | 29 | 51 | 213.038 | Chevy |
| 7 | 2 | Josef Newgarden | 24.248 | 0.7797 | 0.0831 | 55 | 75 | 212.308 | Chevy |
| 8 | 26 | Takuma Sato | 24.532 | 1.0641 | 0.2844 | 40 | 41 | 209.847 | Honda |
| 9 | 21 | Spencer Pigot | 24.608 | 1.1399 | 0.0758 | 48 | 66 | 209.200 | Chevy |
| 10 | 27 | Marco Andretti | 24.701 | 1.2329 | 0.0930 | 6 | 7 | 208.413 | Honda |
| 11 | 14 | Carlos Munoz | 24.809 | 1.3411 | 0.1082 | 34 | 43 | 207.504 | Chevy |
| 12 | 4 | Conor Daly | 25.077 | 1.6085 | 0.2674 | 52 | 52 | 205.291 | Chevy |
| 13 | 98 | Alexander Rossi | 25.442 | 1.9744 | 0.3659 | 13 | 14 | 202.339 | Honda |
| 14 | 5 | Mikhail Aleshin | No Time | — | — | — | — | — | Honda |
| 15 | 88 | Gabby Chaves | No Time | — | — | — | — | — | Chevy |