Jacques Isler
| Runda | Tor | Data | Kierowca | Pojazd | Zespół |
|---|---|---|---|---|---|
| 1 |  Monza | 1989.04.26 | Dallara F388 - Alfa Romeo | Squadra Foitek | |
| 2 |  Hockenheimring | 1989.04.02 | Dallara F388 - Alfa Romeo | Squadra Foitek | |
| 3 | Misano | 1989.05.21 | Ralt RT30 - Toyota |  | |
| 4 |  Dijon-Prenois | 1989.06.18 | Dallara F388 - Alfa Romeo | Squadra Foitek | |
| 5 | Hockenheimring | 1989.07.07 | Ralt RT30 - Toyota | |