McLaren driver Sainz chased Gasly relentlessly over the second half of the race at Monza, which was red-flagged when Charles Leclerc crashed closely on the Parabolica, however he couldn’t discover a solution to end increased than second forward of Lance Stroll.
Hamilton dominated the early levels, however a penalty for pitting when the pitlane was closed dropped him to final and left him having to cost again to seventh.
At the beginning, Valtteri Bottas appeared to react slower than Hamilton on the entrance row and he was rapidly handed by Sainz on the run all the way down to Turn 1, the place the Finn was then put beneath strain from Lando Norris.
The Mercedes and the McLaren touched on the apex of Turn 2 and their battle continued by means of Curva Grande, with Norris then ambushing Bottas across the outdoors of the della Roggia chicane.
They made extra contact – wheel to wheel – as Norris barged by, with Bottas then falling behind Sergio Perez and Daniel Ricciardo as he struggled to rise up to hurry on the run to Ascari, suspecting he had picked up a puncture, which Mercedes then assured him was not the case.
Up entrance, Hamilton easily surged away from Sainz, 1.3 seconds clear by the top of the primary lap of 53.
The world champion set about extending that lead all through the primary stint, with Sainz rapidly gapping his teammate, who was quickly being harassed by Perez.
Hamilton continued extending his lead over the subsequent 18 laps, which reached 12.5s by the point the race was turned on its head when Kevin Magnussen floor to a halt approaching the pitlane and the security automobile was deployed.
Magnussen’s stricken Haas needed to be pushed into the pitlane by the marshals, which meant the pitlane was closed – 11-seconds after the security automobile was known as – however Hamilton headed in to modify to the medium tyres.
The relaxation stayed out, aside from Alfa Romeo’s Antonio Giovinazzi, who was positioned beneath investigation alongside the chief, with Mercedes telling Hamilton it anticipated him to get a penalty.
That sanction did come, however solely after the race was suspended after Leclerc’s large accident on the exit of the Parabolica.
The pack had are available in as soon as Magnussen’s automobile was lastly out of hurt’s means and the pitlane was re-opened, which boosted the few vehicles that had stopped simply earlier than the security automobile – together with Gasly, Kimi Raikkonen and Leclerc, and Stroll, who didn’t come throughout the preliminary disruption.
At the top of the primary lap after the restart – the twenty fourth tour – Leclerc misplaced the rear of his Ferrari as he accelerated out of the well-known lengthy right-hander and as he corrected the slide his automobile snapped left and he shot into the boundaries at excessive velocity.
Leclerc was in a position to climb from his automobile and went to the medical centre for precautionary checks earlier than being launched, with the race stopped for over 25 minutes because the barrier was repaired, with the main order Hamilton, Stroll, Gasly, Raikkonen, Giovinazzi, Sainz and Norris.
During this delay, Hamilton was handed the identical 10s cease/go penalty that had been given to Giovinazzi simply earlier than the crimson flag, and he climbed from his automobile to talk along with his engineer on the head of the queue, then scooted down to talk to the Mercedes strategists and senior management earlier than visiting the race management space of the principle Monza pit constructing.
When the race obtained underway by way of a second begin firstly of lap 28, Stroll made a gradual getaway, which meant Gasly may surge forward of the Racing Point and chase Hamilton, who pitted to serve his penalty on the finish of the second ‘first’ lap.
That left Gasly operating away from Raikkonen, as Giovinazzi then dropped out of the lead combat as he served his penalty, with Sainz passing Stroll – who had lower the second chicane after locking up on the primary lap of the restart to drop behind each Alfas – into Turn 1 on lap 29.
Gasly was then tasked with constructing a lead, whereas Sainz chased after which attacked Raikkonen into the primary chicane on lap 34, muscling his means by on the apex of Turn 2 and setting off after the AlphaTauri.
At the beginning of lap 35, Gasly lead Sainz by 4.1s, with the 2 leaders initially lapping intently within the low 1m24s.
Sainz was briefly in a position to get into the 1m23s as he chased the chief, who seemed calm in lead whilst his lead was slowly erased over the remaining 18 laps.
The McLaren driver constantly lower Gasly’s lead however was stymied by the soiled air coming off the AlphaTauri and he struggled to get into DRS vary.
He finally managed it, however solely on the ultimate tour – with Gasly weaving to try to break the tow the place he may – and Sainz was by no means in a position to run shut sufficient to make a transfer for the lead. Gasly due to this fact held on to win by 0.4s, with Stroll third, 3.3s adrift.
Norris took fourth as Raikkonen fell to thirteenth on the softs, with the remainder of the frontrunners all on the mediums, forward of Bottas, who struggled to make any progress in site visitors all afternoon.
Ricciardo was sixth, along with his Renault teammate Esteban Ocon, the second AlphaTauri of Daniil Kvyat and Perez rounding out the highest 10.
The final three factors scorers had been overhauled by Hamilton, charging on the hards, as he recovered from P17 and final to complete seventh.
He was practically 30s off the lead when he served his penalty and, after a string of quickest laps, he lower his means into the factors with a sequence of passes, finally coming dwelling 17.2s behind Gasly.
Alex Albon, who clashed with Gasly on the preliminary ‘first nook’ in an incident that was not investigated, got here dwelling fifteenth, whereas his teammate Max Verstappen retired shortly after the second begin when Honda noticed a attainable energy unit concern.
Ferrari’s dwelling race had obtained off to a nasty begin earlier than Leclerc’s crash when Sebastian Vettel suffered a brake failure at Turn 1 early on, and he retired within the pits after smashing by means of the primary chicane’s runoff marker boards.