Verstappen collided with Leclerc and twice with Mercedes' George Russell after the safety car restart.
A despondent Lewis Hamilton said he was "useless" and suggested Ferrari needed another driver after qualifying 12th for the Hungarian Grand Prix.
Leclerc took pole in Monaco in 2021, but did not start the race due to a driveshaft failure, and 2022 when he ended up fourth.
Lando Norris celebrated his first Monaco Grand Prix win from pole position on Sunday.
'I have no idea what's happening right now, I'm not in a dream, it's just crazy. I'm just so happy with my performance these past two weeks.'
The two McLaren drivers were ruled out for excessive skid plank wear hours after the race had ended and the podium champagne been sprayed.
With eight points on offer to the winner of Saturday's 100km race, he and Norris -- 22 points behind Piastri -- both have a good chance to reduce the gap to the Australian who was three tenths slower than his teammate.
'I just want to enjoy the team I've always dreamed of driving for. Now it's about time to move those things aside and focus on the pure love of it.'
'Tomorrow's going to be a challenge, I've never driven this car in the rain.'
Norris last led the standings in April, a gap of 189 days, and had not won a race since Hungary in early August. Sunday was his sixth victory of the season, one less than Piastri, and career 10th.
Lando Norris completed a Hungarian Grand Prix practice double on Friday as runaway leaders McLaren dominated both sessions while leaving something in reserve and almost colliding at the end.
Leclerc's performance on Saturday earned him his sixth pole from eight races so far this season, and fourth in a row.
Ferrari's last win before Sunday was with Sebastian Vettel in Singapore in September 2019.
Here's a look at some key moments which helped decide the championship fight.
Hamilton, 40, is getting in some laps behind closed doors with teammate Charles Leclerc under rules that allow a limited amount of track mileage in older F1 cars.
Drivers returned to the pits, under a darkening sky, with engineers using torches in the garages before back-up generators came on and the session resumed about an hour later.
Formula One championship leader Charles Leclerc took pole position for the inaugural Miami Grand Prix ahead of Ferrari team mate Carlos Sainz in a front row lockout in qualifying on Saturday.
Charles Leclerc drove his Ferrari Formula One car through the streets of Maranello on Thursday as the Italian team fired up for the first time since the COVID-19 pandemic halted track activity in March. Ferrari said the 22-year-old Monegasque was the first driver of the modern era to have driven an F1 car through their home town.
Charles Leclerc swept to pole position for the Mexico City Formula One Grand Prix on Saturday with Carlos Sainz qualifying second in a surprise Ferrari front-row lockout.
Leclerc ended Ferrari's Italian Grand Prix win drought on Sunday
Ferrari's Charles Leclerc claimed his second win of the Formula One season
Australian Oscar Piastri won the Saudi Arabian Grand Prix on Sunday to take the lead in the Formula One world championship
Formula One esports race was the third in a series designed to give fans something to watch after the COVID-19 pandemic stalled motorsport worldwide and left Formula One still waiting to start its season.
Formula One leader Oscar Piastri put his McLaren on pole position for the Emilia Romagna Grand Prix at Imola on Saturday
Charles Leclerc put Ferrari on pole position for Sunday's US Grand Prix after Red Bull's triple Formula One world champion Max Verstappen had a faster lap deleted for exceeding track limits and dropped to sixth on the grid.
Current boss Fred Vasseur and former principal at Mercedes Toto Wolff saw that as just Hamilton being Hamilton, with the former saying the Briton was frustrated and not demotivated.
Monaco authorities have agreed to close the Grand Prix circuit to all traffic and pedestrians from 0645 to 0900.
Ferrari's Charles Leclerc secured pole position for the Singapore Grand Prix on Saturday after a furious Max Verstappen was forced to abandon his fastest lap for fear of running out of fuel.
Verstappen starts new Red Bull era with Spa sprint win
The 18-year-old, preparing for only his sixth Grand Prix weekend, lapped with a best time of one minute 26.482 seconds to pip McLaren's championship leader Oscar Piastri by 0.045 seconds.
Ferrari's Charles Leclerc claimed his second win of the Formula One season with a thumping, pole-to-flag victory at the Australian Grand Prix on Sunday as Red Bull's world champion Max Verstappen suffered "deja vu" with another retirement.
Australian Piastri, winner of four of the last five races, lapped the Imola circuit with a fastest time of one minute 16.545 seconds on the softest tyre compound with Norris 0.032 slower on a sunny afternoon.
Red Bull boss Christian Horner said the 2025 F1 season was turning into a two-horse race between the McLaren drivers after his team had a home Austrian Grand Prix to forget on Sunday.
Charles Leclerc put Ferrari on pole position for Formula One's season-opening Bahrain Grand Prix
Russell fastest in first Austrian GP practice as Dunne shines
The pole was Leclerc's seventh of the season and 16th of his career.
Film folk are busy travelling: Avneet enjoys the night life in London... Soha does yoga in the Maldives... Ibrahim lives his F1 dream...
Verstappen is third overall in the standings, 61 points behind Piastri who leads Norris by 15, and chasing his third win of the campaign to make up for retirement in Austria last weekend.
Austria to stay on Formula One calendar until 2027.
Charles Leclerc crashed at the end of qualifying for his home Monaco Grand Prix on Saturday