On a fine day the opening practice session for the 2005 Italian Grand Prix at
Monza would see Jordan's Nicolas Kiesa first out onto the track, followed by the three other Friday drivers. They would be joined by Sauber's Jacques
Villeneuve. The first driver to start a flying lap would be Toyota's Ricardo Zonta. Hs first lap would be a 1m:26.177. He would improve his time while de la Rosa was also out on a quick lap.

Several other drivers would also come out to complete their installation lap. They would include Montoya, the BAR's of Button and Sato, the three Red Bull drivers Coulthard Klein and Liuzzi. After fifteen minutes Liuzzi was out and after his lap, a 1m:26.518, the order was de la Rosa leading from Zonta, Kiesa and Liuzzi.

Minardi's Toccacelo would set the fifth fastest time, a 1m:28.147. This race would see him driving in front of his home crowd. De la Rosa would improve his time with a 1m:22.122. The Jordan of Karthikeyan would complete its first flying lap and would set a time of 1m:26.430.

Driving the updated Jordan EJ15B was Tiago Monteiro and on his first lap he would set a time of 1m:26.025 to move into third. Albers was now in fourth with a 1m:226.285. But Karthikeyan would improve his time to now be in third with a 1m:25.611.

With twenty five minutes remaining the order was de la Rosa, Zonta,
Karthikeyan, Monteiro, Liuzzi, Albers, Kiesa, and Toccacelo. But Luizzi would put his car into third with a 1m:25.396. He would improve his time with a 1m:25.376. Montiero was able to move ahead of Liuzzi with a lap time of
1m:25.134. Both of the Renaults had completed their installation lap. Neither BMW WilliasF1, Ferrari, or Toyota had sent their drivers out with twenty
minutes remaining.

Doornbos was now in seventh with a time of 1m:26.504, just behind team-mate Albers. He would improve his time with a 1m:26.305. Sato was out on the
circuit. On his first lap the BAR driver would set a time of 1m:23.072 to move into second. Zonta was able to move ahead of Sato with a time of 1m:22.567. Takuma was able to improve with a time of 1m:22.935.

There was now fifteen minutes remaining. Sato again improved his time with a 1m:22.692. De la Rosa was again on a very quick lap setting a time of 1m:20.792 to be 1.775 seconds ahead of second placed Zonta. Alonso had been out but returned to his garage. Pedro was again faster, this time with a 1m:20.201, to now be 2.366 seconds ahead of Zonta. With ten minutes remaining only ten drivers had set a time.

The first of the Toyota's was out that of Ralf Schumacher. He would be joined by Trulli. Liuzzi would move up one place to now be in fourth while Kiesa was now in sixth. Now we would have several other drivers setting times, including Montoya and Michael Schumacher. Juan Pablo would move into second with a time of 1m:22.078. This was 1.877 seconds behind de la Rosa's time. Michael was last, twelfth, with a time of 1m:31.705.

Raikkonen would join Montoya and his first lap would see him move into third with a time of 1m:22.555. Barrichello was in eleventh with a time of 1m:25.925. We now had both BMW WilliamsF1 drivers out. Kimi was now in second with a time of 1m:21.842. On his first lap Nick Heidfeld was now in third with a time of 1m:22.351 but Montoya would move ahead with a time of 1m:22.078. Mark Webber would move into second with a time of 1m:21.816. Nick was now in fifth.

Michael Schumacher was now in eighth and the Red Bull of David Coulthard in ninth. Rubens was now in eleventh. With the end of the session the order was De la Rosa from Webber, Raikkonen, Montoya, Heidfeld, Zonta, Sato, Michael Schumacher, Coulthard, Liuzzi, Barrichello, Monteiro, Kiesa, Albers, Karthikeyan, Doornbos, and Toccacelo. No other drivers had set times. This included both the Renault and Toyota drivers.