On a dry and sunny day the Williams F1 team would prepare for the opening ninety minute Friday practice for the 2013 Italian Grand Prix. Pirelli had again brought their medium and hard tyres while on the driver front James Calado was the third driver at Force India and Kovalainen had replaced Van der Gar and Gonzalez had replaced Bianchi for this session. With the start of the session Chilton would be first out followed by several drivers including Valtteri Bottas for Williams. Pastor Maldonado would follow Valtteri shortly after with everyone on the hard tyre. Drivers would start to pit after completing their installation laps. Several drivers would continue for a second lap including both Williams drivers. Valtteri would pit followed by Pastor.

The last drivers to return to the pits were Raikkonen and Alonso. Ten minutes of the session complete and the track was empty but Vettel would come out to complete his installation lap. He would run through the pit lane returning to the track. Gutierrez and Rosberg would return to the track as Vettel pitted. Rosberg would also pit with Gonzalez next out in his Marussia. Gutierrez would pit without setting a time. Gonzalez would set a 1m:34.918 on his first ti8med lap followed by a 1m:30.795. Button would come back out while for Williams this session was going to be focusing on aerodynamic evaluations running a low downforce rear wing. A 1m:30.277 from Gonzalez as Perez and Chilton took to the track. Button would set a 1m:29.494 to go fastest followed by 1m:27.715 while Chilton was now second.

Perez would set a 1m:27.899 to be second but he would also improve to go fastest with a 1m:26.633. Both Valtteri and Pastor were getting ready to come out as Hulkenberg and Grosjean would take to the track. A 1m:26.497 from Perez with Button setting a 1m:27.123. Perez would again improve with a 1m:26.007. Massa, Kovalainen, and Pic were also out on the track as Grosjean set a 1m:28.651 to be fourth. Valtteri and Pastor would also leave their pits for their first timed runs. Grosjean was now third with a 1m:27.226. Both Red Bull drivers were also out on the track as Massa and Hulkenberg were now fifth and sixth. Drivers would improve with Grosjean going second with a 1m:26.664, with Massa now third. Both McLaren's had pitted while for Williams Valtteri would set a 1m:28.364 to be eighth. Pastor would take this spot with a 1m:28.265 as we had thirteen drivers out on the track.

Webber was now fifth, 1m:27.652, but Valtteri would find time setting a 1m:27.450 to be fifth. But Webber would move up to third seeing Valtteri now sixth. Pastor was now in twelfth as more drivers found time. Perez was still fastest with Vettel moving into second, 1m:26.056, followed by Webber, Massa, Grosjean, and Button now sixth. Pastor would improve with a 1m:26.728 to be seventh. Button was now eighth as Vettel went fastest with a 1m:25.914. Ricciardo would move up to sixth, 1m:26.660, but this would become seventh as Raikkonen moved into second, 1m:26.003. Perez was now third followed by Webber and now Rosberg in fifth. Alonso was down in twelfth while for Williams Pastor and Valtteri were ninth and tenth. Pastor would have a moment at the first chicane having to go up the escape road. Alonso would find time setting a 1m:26.009 to be fourth.

Pastor would find some time setting a 1m:26.545 to be eighth. Valtteri had dropped to eleventh with just over forty minutes remaining. Valtteri had pitted while at the front Alonso would go fastest with a 1m:25.863. Rosberg was now third with a 1m:25.995. Team-mate Hamilton was down in thirteenth after his first flying lap. His next lap would see him move up to sixth with a 1m:26.185. Pastor was now tenth and had returned to his pit. The only driver yet to set a time was Di Resta. But he was now out on the track and would set a 1m:28.488 on his first lap to be nineteenth. Perez and Alonso were also back out as Hamilton continued setting a 1m:25.565 to be fastest from Alonso and Vettel. Di Resta was now fifteenth while Alonso would go fastest in the first two sectors completing his lap with a 1m:25.600 to remain second. More drivers were out for their second runs including both Williams drivers.

Pos Driver         	  Team		        Time     Laps
 1. Lewis Hamilton        Mercedes              1m25.565s 24
 2. Fernando Alonso       Ferrari               1m25.600s 25
 3. Nico Rosberg          Mercedes              1m25.704s 25
 4. Sebastian Vettel      Red Bull-Renault      1m25.753s 26
 5. Kimi Raikkonen        Lotus-Renault         1m25.941s 22
 6. Sergio Perez          McLaren-Mercedes      1m26.007s 24
 7. Jenson Button         McLaren-Mercedes      1m26.035s 23
 8. Mark Webber           Red Bull-Renault      1m26.103s 27
 9. Pastor Maldonado      Williams-Renault      1m26.149s 21
10. Jean-Eric Vergne      Toro Rosso-Ferrari    1m26.155s 25
11. Esteban Gutierrez     Sauber-Ferrari        1m26.194s 25
12. Romain Grosjean       Lotus-Renault         1m26.295s 23
13. Daniel Ricciardo      Toro Rosso-Ferrari    1m26.387s 21
14. Felipe Massa          Ferrari               1m26.449s 16
15. Paul di Resta         Force India-Mercedes  1m26.594s 13
16. Valtteri Bottas       Williams-Renault      1m26.802s 21
17. James Calado          Force India-Mercedes  1m27.041s 24
18. Nico Hulkenberg       Sauber-Ferrari        1m27.224s 16
19. Charles Pic           Caterham-Renault      1m27.818s 24
20. Max Chilton           Marussia-Cosworth     1m27.869s 20
21. Heikki Kovalainen     Caterham-Renault      1m28.192s 21
22. Rodolfo Gonzalez      Marussia-Cosworth     1m29.526s 26