Nico Rosberg has registered the quickest time in the second practice session ahead of this Sunday's Italian Grand Prix.
The Mercedes driver, who ended the morning session in third position, edged out teammate and championship rival Lewis Hamilton with Ferrari's Kimi Raikkonen finishing behind them.
Fernando Alonso ended Friday behind his teammate in fourth, with Williams driver Valtteri Bottas and McLaren's Jenson Button in fifth and sixth respectively.
Red Bull driver Daniel Ricciardo, who is in third position in the drivers' standings, could only register the 10th-fastest time.
Full standings
1. Nico Rosberg (Mercedes)
2. Lewis Hamilton (Mercedes)
3. Kimi Raikkonen (Ferrari)
4. Fernando Alonso (Ferrari)
5. Valtteri Bottas (Williams)
6. Jenson Button (McLaren)
7. Sebastian Vettel (Red Bull)
8. Kevin Magnussen (McLaren)
9. Felipe Massa (Williams)
10. Daniel Ricciardo (Red Bull)
11. Sergio Perez (Force India)
12. Nico Hulkenberg (Force India)
13. Daniil Kvyat (Toro Rosso)
14. Esteban Gutierrez (Sauber)
15. Jean-Eric Vergne (Toro Rosso)
16. Adrian Sutil (Sauber)
17. Jules Bianchi (Marussia)
18. Pastor Maldonado (Lotus)
19. Max Chilton (Marussia)
20. Romain Grosjean (Lotus)
21. Kamui Kobayashi (Caterham)
22. Marcus Ericsson (Caterham)