| 1 | 2008 | St. Petersburg | 06 | Newman/Haas/Lanigan Racing | Dallara IR4 | Honda HI8R | 9 | 1 |
| 2 | 2009 | SunTrust Indy Challenge | 02 | Newman/Haas/Lanigan Racing | Dallara IR4 | Honda HI8R | 5 | 3 |
| 3 | 2009 | Indy Japan 300 | 02 | Newman/Haas/Lanigan Racing | Dallara IR4 | Honda HI8R | 5 | 3 |
| 4 | 2011 | Sao Paulo | 38 | Service Central Chip Ganassi Racing | Dallara IR4 | Honda HI8R | 5 | 2 |
| 5 | 2011 | Indianapolis | 38 | Service Central Chip Ganassi Racing | Dallara IR4 | Honda HI8R | 29 | 3 |
| 6 | 2011 | Milwaukee | 38 | Service Central Chip Ganassi Racing | Dallara IR4 | Honda HI8R | 12 | 2 |
| 7 | 2012 | Texas Motor Speedway 550 | 38 | Service Central Chip Ganassi Racing | Dallara IR4 | Honda HI8R | 3 | 2 |
| 8 | 2013 | Grand Prix of Long Beach | 15 | Rahal Letterman Lanigan with Theodore Racing | Dallara DW12 | Honda | 11 | 2 |
| 9 | 2014 | Dual in Detroit | 15 | Rahal Letterman Lanigan with Theodore Racing | Dallara DW12 | Honda | 9 | 2 |
| 10 | 2015 | Grand Prix of Alabama | 15 | Rahal Letterman Lanigan Racing | Dallara DW12 | Honda | 8 | 2 |
| 11 | 2015 | Grand Prix of Indianapolis | 15 | Rahal Letterman Lanigan Racing | Dallara DW12 | Honda | 17 | 2 |
| 12 | 2015 | Dual in Detroit | 15 | Rahal Letterman Lanigan Racing | Dallara DW12 | Honda | 5 | 3 |
| 13 | 2015 | Auto Club Speedway 500 | 15 | Rahal Letterman Lanigan Racing | Dallara DW12 | Honda | 19 | 1 |
| 14 | 2015 | Wisconsin 250 | 15 | Rahal Letterman Lanigan Racing | Dallara DW12 | Honda | 6 | 3 |
| 15 | 2015 | Mid-Ohio 200 | 15 | Rahal Letterman Lanigan Racing | Dallara DW12 | Honda | 13 | 1 |
| 16 | 2016 | Grand Prix of Alabama | 15 | Rahal Letterman Lanigan Racing | Dallara DW12 | Honda | 6 | 2 |
| 17 | 2016 | Grand Prix of Road America | 15 | Rahal Letterman Lanigan Racing | Dallara DW12 | Honda | 6 | 3 |
| 18 | 2016 | Texas Motor Speedway 600 | 15 | Rahal Letterman Lanigan Racing | Dallara DW12 | Honda | 13 | 1 |
| 19 | 2016 | GoPro Grand Prix of Sonoma | 15 | Rahal Letterman Lanigan Racing | Dallara DW12 | Honda | 5 | 2 |
| 20 | 2017 | Dual in Detroit | 15 | Rahal Letterman Lanigan Racing | Dallara DW12 | Honda | 1 | 1 |
| 21 | 2017 | Dual in Detroit | 15 | Rahal Letterman Lanigan Racing | Dallara DW12 | Honda | 3 | 1 |
| 22 | 2017 | Mid-Ohio 200 | 15 | Rahal Letterman Lanigan Racing | Dallara DW12 | Honda | 4 | 3 |
| 23 | 2018 | Firestone Grand Prix of St. Petersburg | 15 | Rahal Letterman Lanigan Racing | Dallara DW12 | Honda | 24 | 2 |
| 24 | 2019 | DXC Technology 600 | 15 | Rahal Letterman Lanigan Racing | Dallara DW12 | Honda | 9 | 3 |
| 25 | 2020 | GMR Grand Prix | 15 | Rahal Letterman Lanigan Racing | Dallara DW12 | Honda | 4 | 2 |
