Mercedes driver Nico Rosberg has recorded the fastest time in the second practice session ahead of the Malaysian Grand Prix.
The German, who won the Australian Grand Prix two weeks ago, was marginally quicker than Ferrari's Kimi Raikkonen, with Red Bull driver Sebastian Vettel close behind in third.
Great Britain's Lewis Hamilton, who topped the standings earlier in the day, was fourth, ahead of Fernando Alonso and Williams driver Felipe Massa.
Daniel Ricciardo finished in seventh while McLaren's Jenson Button was in eighth place as the rest of the field posted significantly slower times than the top seven.
Full standings
1. Nico Rosberg (Mercedes)
2. Kimi Raikkonen (Ferrari)
3. Sebastian Vettel (Red Bull)
4. Lewis Hamilton (Mercedes)
5. Fernando Alonso (Ferrari)
6. Felipe Massa (Williams)
7. Daniel Ricciardo (Red Bull)
8. Jenson Button (McLaren)
9. Valtteri Bottas (Williams)
10. Nico Hulkenberg (Force India)
11. Jean-Eric Vergne (Toro Rosso)
12. Kevin Magnussen (McLaren)
13. Adrian Sutil (Sauber)
14. Daniil Kvyat (Toro Rosso)
15. Esteban Gutierrez (Sauber)
16. Sergio Perez (Force India)
17. Romain Grosjean (Lotus Renault)
18. Max Chilton (Marussia)
19. Jules Bianchi (Marussia)
20. Marcus Ericsson (Caterham)
Darren Plant
