367 pts · Poles 11
8 of these races have no result in the official data; their results come from the Italian Wikipedia.
| 1988 | Suzuka | grid 2 | 5 +11 | |
| 1988 | Laguna Seca | grid 1 | 4 +13 | |
| 1988 | Imola | grid 13 | DNF | |
| 1988 | Nürburgring | grid 10 | DNF | |
| 1989 | Suzuka | grid 1 | 1 +20 | |
| 1989 | Laguna Seca | grid 1 | 1 +20 | |
| 1990 | Suzuka | grid 1 | 14 +2 | |
| 1990 | Laguna Seca | grid 3 | 1 +20 | |
| 1990 | Jerez | grid 3 | 1 +20 | |
| 1990 | Misano | grid 1 | 1 +20 | |
| 1990 | Nürburgring | grid 2 | 3 +15 | |
| 1990 | Salzburgring | grid 2 | 3 +15 | |
| 1990 | Rijeka | grid 1 | 2 +17 | |
| 1990 | Assen | grid 2 | 1 +20 | |
| 1990 | Spa | grid 1 | 1 +20 | |
| 1990 | Le Mans | grid 2 | DNF | |
| 1990 | Donington | grid 1 | DNF | |
| 1990 | Anderstorp | grid 1 | 2 +17 | |
| 1990 | Brno | grid 7 | 2 +17 | |
| 1990 | Hungaroring | grid 1 | 1 +20 | |
| 1990 | Phillip Island | grid 1 | 1 +20 | |
| 1993 | Eastern Creek | grid 4 | 2 +20 | |
| 1993 | Shah Alam | grid 8 | 5 +11 | |
| 1993 | Suzuka | grid 6 | 9 +7 | |
| 1993 | Jerez | grid 10 | 4 +13 | |
| 1993 | Salzburgring | grid 7 | 7 +9 | |
| 1993 | Hockenheim | grid 14 | 12 +4 | |
| 1993 | Assen | grid 8 | 3 +16 |