Ferrari driver Fernando Alonso has recorded the fastest time in the first practice session ahead of Sunday's Singapore Grand Prix.
The Spaniard, who has endured a frustrating 2014 campaign, edged out the Mercedes duo of Lewis Hamilton and Nico Rosberg.
Sebastian Vettel and Daniel Ricciardo were fourth and fifth respectively in the Red Bull, while Toro Rosso's Jean-Eric Vergne was a surprise sixth.
Alonso's teammate Kimi Raikkonen was seventh-fastest, with McLaren driver Jenson Button close behind in eighth position.
Full standings
1. Fernando Alonso (Ferrari)
2. Lewis Hamilton (Mercedes)
3. Nico Rosberg (Mercedes)
4. Sebastian Vettel (Red Bull)
5. Daniel Ricciardo (Red Bull)
6. Jean-Eric Vergne (Toro Rosso)
7. Kimi Raikkonen (Ferrari)
8. Jenson Button (McLaren)
9. Daniil Kvyat (Toro Rosso)
10. Sergio Perez (Force India)
11. Kevin Magnussen (McLaren)
12. Nico Hulkenberg (Force India)
13. Felipe Massa (Williams)
14. Pastor Maldonado (Lotus)
15. Valtteri Bottas (Williams)
16. Esteban Gutierrez (Sauber)
17. Adrian Sutil (Sauber)
18. Romain Grosjean (Lotus)
19. Jules Bianchi (Marussia)
20. Marcus Ericsson (Caterham)
21. Kamui Kobayashi (Caterham)
22. Max Chilton (Marussia)
