Mercedes driver Nico Rosberg has recorded the fastest time during the first practice session ahead of Sunday's Brazilian Grand Prix.
The German driver finished ahead of teammate Lewis Hamilton as Mercedes look to end the 2013 season on a high.
Red Bull's Sebastian Vettel was third quickest, while Jenson Button produced an impressive display in his McLaren, finishing marginally slower than the world champion.
Ferrari's Fernando Alonso ended in fifth, Mark Webber was sixth, while Lotus Renault driver Romain Grosjean could only record the 13th-fastest time.
Full standings
1. Nico Rosberg (Mercedes)
2. Lewis Hamilton (Mercedes)
3. Sebastian Vettel (Red Bull)
4. Jenson Button (McLaren)
5. Fernando Alonso (Ferrari)
6. Mark Webber (Red Bull)
7. Sergio Perez (McLaren)
8. Danill Kvyat (Toro Rosso)
9. Heikki Kovalainen (Lotus Renault)
10. Nico Hulkenberg (Sauber)
11. Felipe Massa (Ferrari)
12. Esteban Gutierrez (Sauber)
13. Romain Grosjean (Lotus Renault)
14. Jean-Eric Vergne (Toro Rosso)
15. Adrian Sutil (Force India)
16. Valtteri Bottas (Williams)
17. Pastor Maldonado (Williams)
18. James Calado (Force India)
19. Giemo van der Garde (Caterham)
20. Charles Pic (Caterham)
21. Jules Bianchi (Marussia)
22. Rodolfo Gonzalez (Marussia)
Darren Plant
