Nico Rosberg has recorded the fastest time in the third practice session ahead of this weekend's Spanish Grand Prix.

The German was twice forced to settle for second behind Mercedes teammate Lewis Hamilton on Friday, but he was almost a second faster than the British driver on Saturday morning.

Ferrari's Fernando Alonso was third fastest, Felipe Massa set the fourth-best time for Williams, while Lotus representative Romain Grosjean finished an impressive fifth.

McLaren's Jenson Button ended the session in eighth, while Sebastian Vettel, who sat out the second session, recorded the 10th-quickest time for Red Bull.

Full standings:

1. Nico Rosberg (Mercedes)
2. Lewis Hamilton (Mercedes)
3. Fernando Alonso (Ferrari)
4. Felipe Massa (Williams)
5. Romain Grosjean (Lotus)
6. Kevin Magnussen (McLaren)
7. Daniel Ricciardo (Red Bull)
8. Jenson Button (McLaren)
9. Pastor Maldonado (Lotus)
10. Sebastian Vettel (Red Bull)
11. Valtteri Bottas (Williams)
12. Jean-Eric Vergne (Toro Rosso)
13. Daniil Kvyat (Toro Rosso)
14. Kimi Raikkonen (Ferrari)
15. Sergio Perez (Force India)
16. Nico Hulkenberg (Force India)
17. Adrian Sutil (Sauber)
18. Esteban Gutierrez (Sauber)
19. Max Chilton (Marussia)
20. Jules Bianchi (Marussia)
21. Kamui Kobayashi (Caterham)
22. Marcus Ericsson (Caterham)