Sebastian Vettel has edged closer to claiming his fourth consecutive World Championship title by winning the Italian Grand Prix at Monza.

The Red Bull driver started the race in pole position and was rarely troubled as he finished 12 seconds ahead of Ferrari's Fernando Alonso.

Vettel's teammate Mark Webber made up the podium, while Felipe Massa clinched fourth place.

Lewis Hamilton of Mercedes began the day 12th on the grid before climbing three spots to end in ninth, one place above McLaren's Jensen Button.

Italian Grand Prix results in full:

1. Sebastian Vettel (Red Bull)
2. Fernando Alonso (Ferrari)
3. Mark Webber (Red Bull)
4. Felipe Massa (Ferrari)
5. Nico Hulkenberg (Sauber)
6. Nico Rosberg (Mercedes)
7. Daniel Ricciardo (Toro Rosso)
8. Romain Grosjean (Lotus)
9. Lewis Hamilton (Mercedes)
10. Jensen Button (McLaren)
11. Kimi Raikkonen (Lotus)
12. Sergio Perez (McLaren)
13. Esteban Gutierrez (Sauber)
14. Pastor Maldonado (Williams)
15. Valtteri Bottas (Williams)
16. Adrian Sutil (Force India)
17. Charles Pic (Caterham)
18. Giedo van der Garde (Caterham)
19. Jules Bianchi (Marussia)
20. Max Chilton (Marussia)
21. Jean-Eric Vergne (Toro Rosso - ret.)
22. Paul di Resta (Force India - ret.)