Hamilton saw title rival Max Verstappen set the pace early in the session for Red Bull, but managed to stand out at the top of the field in a race on soft tires with 15 minutes remaining.
A time of 1m23.246s was enough to give Hamilton P1 at the end of the session, beating his teammate Valtteri Bottas by two tenths of a second in the final standings.
Verstappen was third four tenths of a second behind Hamilton’s time, having struggled to match the Briton’s pace so far this weekend.
Verstappen was the fastest when the session was red flagged after 26 minutes when Sainz crashed into the high-speed Ascari complex.
Sainz lost control of his Ferrari on the corner for the second summit, forcing him to crash into the wall on the left side of the track and leaving his car with a damaged front suspension, nose and front spoiler.
Sainz called it a “massive crash” on the radio and said it “hurts a bit” but that he was fine, with reruns showing his head shaking forward in the cockpit. The Spaniard was taken to the medical center after the crash and received preliminary clearance, but will undergo further screening before qualifying.
Carlos Sainz Jr., Ferrari SF21, crashes and causes red flag
Photo by: Zak Mauger / Motorsport Images
After the session, Ferrari announced that it “aimed to prepare Carlos’ car for sprint qualifying”.
With Sainz’s car picked up and returned to the pit lane, the session resumed with 21 minutes on the clock, prompting the drivers to look for improvements with a tire change.
Hamilton had his fastest lap on the soft tires, but only rode three tenths of a second less on the hard rubber in a later round.
Sprint race poleman Bottas finished 0.222 seconds behind Hamilton in second place, while Max Verstappen made a late improvement on the midrange to close the gap in third place to 0.416s.
Verstappen Red Bull’s teammate Sergio Perez rebounded from a tough qualifying to complete the final practice in fourth place ahead of Alpine’s Esteban Ocon.
Robert Kubica had a solid session for Alfa Romeo as he took sixth place ahead of his teammate Antonio Giovinazzi, while Fernando Alonso ensured the presence of two Alpine in the top 10 by finishing eighth.
2020 Italian Grand Prix winner Pierre Gasly finished FP2 in ninth place while Lando Norris completed the top 10 for McLaren, after seeing some lap times erased for overshooting the track limits .
Charles Leclerc was the lead Ferrari in 11th place after the fall of Sainz. Leclerc raced with a power unit previously used in FP2 following his problems in qualifying, but signaled towards the end of the session that he had to box and couldn’t tell the squad why. by radio. At the end of FP2, Ferrari announced that Leclerc was feeling slightly bad, which is why his session was cut short.
Pierre Gasly, Alpha Tauri AT02
Photo By: Zak Mauger / Motorsport Images
Daniel Ricciardo finished 12th for McLaren ahead of the Williams duo of Nicholas Latifi and George Russell, followed by Yuki Tsunoda 15th.
Nikita Mazepin took 16th place for Haas ahead of Aston Martin drivers Lance Stroll and Sebastian Vettel, with Vettel signaling a certain d rating of his car during the session.
Mick Schumacher finished 19th for Haas ahead of Sainz, who buttressed the timesheets after his crash.
Italian F1 GP – FP2 Results