Nico Rosberg has recorded the fastest time in the second practice session ahead of Sunday's Singapore Grand Prix.
The Mercedes driver could only finish fifth in the morning session but he improved significantly in the afternoon to place ahead of Ferrari's Kimi Raikkonen.
Red Bull's Max Verstappen was third ahead of teammate Daniel Ricciardo and Sebastian Vettel, while Lewis Hamilton could only finish in seventh place.
McLaren's Fernando Alonso and Jenson Button were ninth and 12th respectively, while Jolyon Palmer was 17th in the Renault.
Full standings:
1. Nico Rosberg (Mercedes)
2. Kimi Raikkonen (Ferrari)
3. Max Verstappen (Red Bull)
4. Daniel Ricciardo (Red Bull)
5. Sebastian Vettel (Ferrari)
6. Nico Hulkenberg (Force India)
7. Lewis Hamilton (Mercedes)
8. Carlos Sainz (Toro Rosso)
9. Fernando Alonso (McLaren)
10. Daniil Kvyat (Toro Rosso)
11. Sergio Perez (Force India)
12. Jenson Button (McLaren)
13. Esteban Gutierrez (Haas)
14. Felipe Massa (Williams)
15. Valtteri Bottas (Williams)
16. Kevin Magnussen (Renault)
17. Jolyon Palmer (Renault)
18. Felipe Nasr (Sauber)
19. Romain Grosjean (Haas)
20. Marcus Ericsson (Sauber)
21. Pascal Wehrlein (Manor)
22. Esteban Ocon (Manor)