Team Summary:
With the start of the opening Friday session for the 2018 Italian GP the drivers would have to contend with a very wet track with the majority of drivers using the full wet tyre for their installation laps. The first time would come from Hulkenberg with a 1m:38.567 running on the wet tyre. Further drivers would come out with both Hass cars on intermediates. After a series of quickest laps from various drivers we would have Sainz fastest with a 1m:36.995 from Hulkenberg and Verstappen with the top three all on the intermediate tyre. After runs that would see them in various positions the Williams drivers were tenth and 13th with just under fifty minutes remaining.

Hamilton would go quickest running on the intermediate tyre with a 1m:36.866. Bottas was now third and Ocon fourth. At the front Bottas had gone quickest with a 1m:36.238 followed by Hamilton, Leclerc, Perez, Ocon, Sainz, Hulkenberg, Gasly, Verstappen, and Ericsson tenth. Magnussen was now in seventh and Hartley eighth. The Williams drivers were now in 16th and 18th with Sergey ahead of Lance. The Ferrari's were 14th and 15th with Vettel's car having an gearbox issue that saw Vettel out of his car. The Red Bull cars were running and Verstappen would go quickest with a 1m:35.665 and Ricciardo was 12th. Raikkonen would move up to sixth as the Renault cars came back out.

Hulkenberg would go second and Sainz fourth. Sainz would go second ahead of Hulkenberg seeing the top three now Verstappen, Sainz, Hulkenberg, Bottas, Hamilton, Leclerc, Perez, Raikkonen, Ocon, and Magnussen tenth. Apart from Alonso the track was empty. Both Williams drivers were still in their pits with fifteen minutes remaining. Alonso would move up to 14th. The rain had now stopped and the clouds were starting to clear. Gasly would go second fastest as the track started to dry. Hartley was up to sixth with both Torro Rosso drivers still on the intermediate tyre. Ricciardo was now up to third behind Gasly. Hartley would go quickest with a 1m:35.024 and Ricciardo now second with seven minutes remaining. The Williams drivers were now 18th and 19th. As the session drew to a close Raikkonen would go quickest with a 1m:34.550 but Perez would move ahead with a 1m:34.000 followed by Raikkonen, Ocon, Hartley, Ricciardo, Gasly, Verstappen, Sainz, Hulkenberg and Bottas in tenth. The Williams divers would remain in their positions well down the order.

Lance Stroll:
Lance would also only complete a single lap running on the full wet tyre. Lance would also return running on the intermediate tyre and would set a 1m:38.253 to see him ninth, dropping to tenth. He would drop to 12th pitting after a six lap run. While in his pit he would drop to 19th and would end the session in this position.

Sergey Sirotkin:
Sergey would complete his installation lap running on the full wet tyre, pitting after a single lap. Sergey would return and would improve to set a 1m:38.684 which with fifty minutes remaining he was tenth. He would drop to 13th. Sergey would find time setting a 1m:37.929 to be eighth then ninth. Sergey would pit having dropped to 17th after a nine lap run. Sergey would drop to 18th as Alonso moved ahead of him. He would remain in this position with the end of the session.