| 1 | 2018 | Grand Prix of Sonoma | 88 | Harding Racing | Dallara DW12 | Chevrolet | 19 | 20 |
| 2 | 2019 | Firestone Grand Prix of St. Petersburg | 88 | Harding Steinbrenner Racing | Dallara DW12 | Honda | 11 | 8 |
| 3 | 2019 | IndyCar Classic | 88 | Harding Steinbrenner Racing | Dallara DW12 | Honda | 4 | 1 |
| 4 | 2019 | Honda Indy Grand Prix of Alabama | 88 | Harding Steinbrenner Racing | Dallara DW12 | Honda | 9 | 24 |
| 5 | 2019 | Grand Prix of Long Beach | 88 | Harding Steinbrenner Racing | Dallara DW12 | Honda | 10 | 23 |
| 6 | 2019 | IndyCar Grand Prix | 88 | Harding Steinbrenner Racing | Dallara DW12 | Honda | 4 | 23 |
| 7 | 2019 | 103rd Indianapolis 500 presented by Gainbridge | 88 | Harding Steinbrenner Racing | Dallara DW12 | Honda | 5 | 33 |
| 8 | 2019 | Chevrolet Detroit Grand Prix Presented by Lear Corporation | 88 | Harding Steinbrenner Racing | Dallara DW12 | Honda | 5 | 12 |
| 9 | 2019 | Chevrolet Detroit Grand Prix Presented by Lear Corporation | 88 | Harding Steinbrenner Racing | Dallara DW12 | Honda | 4 | 12 |
| 10 | 2019 | DXC Technology 600 | 88 | Harding Steinbrenner Racing | Dallara DW12 | Honda | 10 | 18 |
| 11 | 2019 | Kohler Grand Prix | 88 | Harding Steinbrenner Racing | Dallara DW12 | Honda | 1 | 8 |
| 12 | 2019 | Honda Indy Toronto | 88 | Harding Steinbrenner Racing | Dallara DW12 | Honda | 16 | 7 |
| 13 | 2019 | Iowa 300 | 88 | Harding Steinbrenner Racing | Dallara DW12 | Honda | 11 | 18 |
| 14 | 2019 | Honda Indy 200 at Mid-Ohio | 88 | Harding Steinbrenner Racing | Dallara DW12 | Honda | 7 | 8 |
| 15 | 2019 | Pocono 500 | 88 | Harding Steinbrenner Racing | Dallara DW12 | Honda | 14 | 16 |
| 16 | 2019 | Bommarito Automotive Group 500 Presented by Valvoline | 88 | Harding Steinbrenner Racing | Dallara DW12 | Honda | 12 | 9 |
| 17 | 2019 | Grand Prix of Portland | 88 | Harding Steinbrenner Racing | Dallara DW12 | Honda | 1 | 4 |
| 18 | 2019 | IndyCar Monterey Grand Prix | 88 | Harding Steinbrenner Racing | Dallara DW12 | Honda | 1 | 1 |
| 19 | 2020 | Genesys 300 | 88 | Andretti Harding Steinbrenner Autosport | Dallara DW12 | Honda | 14 | 7 |
| 20 | 2020 | GMR Grand Prix | 88 | Andretti Harding Steinbrenner Autosport | Dallara DW12 | Honda | 3 | 4 |
| 21 | 2020 | Rev Group Grand Prix | 88 | Andretti Harding Steinbrenner Autosport | Dallara DW12 | Honda | 7 | 5 |
| 22 | 2020 | Rev Group Grand Prix | 88 | Andretti Harding Steinbrenner Autosport | Dallara DW12 | Honda | 2 | 5 |
| 23 | 2020 | Iowa Indycar 250S | 88 | Andretti Harding Steinbrenner Autosport | Dallara DW12 | Honda | 4 | 20 |
| 24 | 2020 | Iowa Indycar 250S | 88 | Andretti Harding Steinbrenner Autosport | Dallara DW12 | Honda | 5 | 19 |
| 25 | 2020 | 104th Running of the Indianapolis 500 | 88 | Andretti Harding Steinbrenner Autosport | Dallara DW12 | Honda | 10 | 8 |
