| series | Champcar current |
| driver | Tony DeTommaso |
| year | race | team | car | entry | start | finish | chassis | engine | laps led | * |
| 1991 | Denver | Euromotorsport | 42 | Dioguardi Spa | DNS | Lola T9000 | Cosworth DFS | |||
| 1992 | Laguna Seca | Nu-Tech | 28 | Dioguardi Spa | 26 | 22 | Lola T9100 | Cosworth DFS |
