Webber tops opening practice in Sepang
Mark Webber was fastest in first practice for Sunday's Malaysian Grand Prix with a time of 1m36.935s, 0.068s clear of Kimi Raikkonen. Sebastian Vettel was third in the other Red Bull, with Fernando Alonso three-tenths back in fourth place, Kimi Rosberg fifth and Adrian Sutil in sixth for Force India.
Results
| Pos | Driver | Team/Car | Time | Behind | Laps |
| 1. | Mark Webber | Red Bull-Renault | 1m36.935s | +0.000s | 15 |
| 2. | Kimi Raikkonen | Lotus-Renault | 1m37.003s | +0.068s | 15 |
| 3. | Sebastian Vettel | Red Bull-Renault | 1m37.104s | +0.169s | 21 |
| 4. | Fernando Alonso | Ferrari | 1m37.319s | +0.384s | 13 |
| 5. | Nico Rosberg | Mercedes | 1m37.588s | +0.653s | 19 |
| 6. | Adrian Sutil | Force India-Mercedes | 1m37.769s | +0.834s | 17 |
| 7. | Felipe Massa | Ferrari | 1m37.771s | +0.836s | 15 |
| 8. | Paul di Resta | Force India-Mercedes | 1m37.773s | +0.838s | 15 |
| 9. | Lewis Hamilton | Mercedes | 1m37.840s | +0.905s | 18 |
| 10. | Romain Grosjean | Lotus-Renault | 1m37.915s | +0.980s | 17 |
| 11. | Jenson Button | McLaren-Mercedes | 1m38.173s | +1.238s | 16 |
| 12. | Pastor Maldonado | Williams-Renault | 1m38.673s | +1.738s | 16 |
| 13. | Sergio Perez | McLaren-Mercedes | 1m38.830s | +1.895s | 17 |
| 14. | Nico Hulkenberg | Sauber-Ferrari | 1m39.054s | +2.119s | 17 |
| 15. | Esteban Gutierrez | Sauber-Ferrari | 1m39.204s | +2.269s | 16 |
| 16. | Valtteri Bottas | Williams-Renault | 1m39.208s | +2.273s | 19 |
| 17. | Jean-Eric Vergne | Toro Rosso-Ferrari | 1m39.284s | +2.349s | 17 |
| 18. | Daniel Ricciardo | Toro Rosso-Ferrari | 1m39.567s | +2.632s | 16 |
| 19. | Giedo van der Garde | Caterham-Renault | 1m40.728s | +3.793s | 17 |
| 20. | Jules Bianchi | Marussia-Cosworth | 1m40.996s | +4.061s | 14 |
| 21. | Charles Pic | Caterham-Renault | 1m41.163s | +4.228s | 18 |
| 22. | Max Chilton | Marussia-Cosworth | 1m41.513s | +4.578s | 14 |