Team Summary:
The final one hour practice session on the Saturday at Monza would see both Alfa Romeo and Haas cars taking to the track first. Norris and Gasly had joined them with all six drivers returning after a single lap. But there would be no further running until fifteen minutes into the session and then it was just Sainz by himself. Sainz would set a 1m:21.875 on the medium. Sainz would improve with a 1m:21.502. With forty minutes remaining the track would suddenly fill with very car running including both Williams cars running on the soft tyre. Leclerc and Vettel were second and third using the soft tyre. Ricciardo was now quickest with a 1m:21.441 but Hamilton would go quickest with a 1m:20.658 followed by Bottas and Gasly. The Williams drivers were 14th and 19th after their first runs. Ocon would move up to third but it would be Perez now fourth followed by Gasly, Kvyat, and Albon. But Verstappen would move up to fourth using the medium tyre. Ocon and Perez were also on the medium tyre.

Bottas would move ahead of Hamilton with a 1m:20.622 but Verstappen would go even quicker with a 1m:20.456 but he was on the medium tyre. Bottas was now second followed by Hamilton, Ocon, Albon, Perez, Kvyat, Gasly, Stroll and Ricciardo tenth. Kvyat would improve to sixth using the soft tyre. The track would empty as drivers completed their first runs leaving just Sainz by himself running on the medium tyre. With under twenty minutes remaining both Mercedes on the soft tyre would return. Bottas would set a 1m:20.089 to go quickest but Hamilton would only manage second. Both Ferrari's were now running along with Verstappen. More drivers would join them including both Williams drivers. Albon would improve to fourth but other drivers would go quicker as Norris went second and Ricciardo third. Hamilton was now fourth followed by Verstappen and Albon. After their second soft tyres run the Williams drivers were 17th and 18th with George leading Nicholas.

But the session would be red flagged when Ricciardo would be forced to pull off the track at the first Lesmo with an engine issue. There was now four minutes remaining as they worked to deal with Ricciardo's car. The session would turn green and there would be a number of drivers who returned for a final run. This would include both Williams drivers. With the end of the session the Williams drivers were now 18th and 19th with only Giovinazzi slower. At the front Sainz was now second followed by Norris, Ricciardo, Hamilton, Verstappen, Albon, Ocon, Stroll and Perez tenth. Despite not been as far up the order as they would have hoped the Williams drivers were certainly closer to the cars in front compared to Friday. But regardless qualifying is going to be a tough session for the Williams Team.

Nicholas Latifi:
Nicholas would be first out for Williams in the session using the soft tyre. Nicholas would set a 1m:23.164 to be slowest. His next quick lap would see a 1m:22.590 to be 18th. But Nicholas would drop to 20th as others went quicker. He would pit with roughly thirty minutes remaining. He had completed a seven lap run on the soft tyre. With twelve minutes remaining Nicholas would return for his second soft tyre run. Nicholas would set a 1m:21.764 to go 17th to be ahead of his team-mate but this would become 18th. He would return after the red flag was cleared again on the soft tyre but his final run would see no improvement and he would finish in 19th..

George Russell:
George would also come out using the soft tyre. George would set a 1m:22.520 to be 14th. George would improve with a 1m:22.107 to remain 14th. He would pit after a nine lap run on the soft tyre. George was back out for a second soft tyre run with just over ten minutes remaining. George would improve with a 1m:21.677 to now be 17th. With a red flag from Ricciardo he would pit but would return when the session went green. He would fail to improve but would drop to 18th as the session ended.