| 2004 | betandwin.com Africa's Grand Prix · Grand Prix | Ducati | — | | Ret |
| 2004 | Gran Premio Marlboro de España · Grand Prix | Ducati | — | | Ret |
| 2004 | Grand Prix Polini de France · Grand Prix | Ducati | 14 | | Classified |
| 2004 | Gran Premio Cinzano d'Italia · Grand Prix | Ducati | 5 | | Classified |
| 2004 | Gran Premi Gauloises de Catalunya · Grand Prix | Ducati | 6 | | Classified |
| 2004 | Gauloises TT Assen · Grand Prix | Ducati | 7 | | Classified |
| 2004 | Cinzano Rio Grand Prix · Grand Prix | Ducati | 12 | | Classified |
| 2004 | Veltins Motorrad Grand Prix Deutschland · Grand Prix | Ducati | 11 | | Classified |
| 2004 | Cinzano British Grand Prix · Grand Prix | Ducati | 11 | | Classified |
| 2004 | Gauloises Grand Prix České republiky · Grand Prix | Ducati | — | | Ret |
| 2004 | Grande Prémio Marlboro de Portugal · Grand Prix | Ducati | — | | Ret |
| 2004 | Camel Grand Prix of Japan · Grand Prix | Ducati | 9 | | Classified |
| 2004 | Marlboro Grand Prix of Qatar · Grand Prix | Ducati | 3 | | Classified |
| 2004 | Marlboro Malaysian Motorcycle Grand Prix · Grand Prix | Ducati | 13 | | Classified |
| 2004 | Cinzano Australian Grand Prix · Grand Prix | Ducati | 11 | | Classified |
| 2004 | Gran Premio Marlboro Comunitat Valenciana · Grand Prix | Ducati | — | | Ret |
| 2005 | Gran Premio Marlboro de España · Grand Prix | Yamaha | 18 | | Classified |
| 2005 | betandwin.com Grande Prémio de Portugal · Grand Prix | Yamaha | 10 | | Classified |
| 2005 | Taobao.com Grand Prix of China · Grand Prix | Yamaha | 10 | | Classified |
| 2005 | Grand Prix Alice de France · Grand Prix | Yamaha | 12 | | Classified |
| 2005 | Gran Premio Alice d'Italia · Grand Prix | Yamaha | 14 | | Classified |
| 2005 | Gran Premi Gauloises de Catalunya · Grand Prix | Yamaha | 10 | | Classified |
| 2005 | Gauloises TT Assen · Grand Prix | Yamaha | 12 | | Classified |
| 2005 | Red Bull U.S. Grand Prix · Grand Prix | Yamaha | 11 | | Classified |
| 2005 | betandwin.com British Grand Prix · Grand Prix | Yamaha | — | | Ret |
| 2005 | Alice Motorrad Grand Prix Deutschland · Grand Prix | Yamaha | 13 | | Classified |
| 2005 | Gauloises Grand Prix České republiky · Grand Prix | Yamaha | 18 | | Classified |
| 2005 | Grand Prix of Japan · Grand Prix | Yamaha | 10 | | Classified |
| 2005 | Marlboro Malaysian Motorcycle Grand Prix · Grand Prix | Yamaha | 15 | | Classified |
| 2005 | Marlboro Grand Prix of Qatar · Grand Prix | Yamaha | 14 | | Classified |
| 2005 | Polini Grand Prix of Australia · Grand Prix | Yamaha | 12 | | Classified |
| 2005 | Grand Prix of Turkey · Grand Prix | Yamaha | 14 | | Classified |
| 2005 | Gran Premio betandwin.com de la Comunitat Valenciana · Grand Prix | Yamaha | 15 | | Classified |