Monaco GP: Leclerc fastest from Perez, Sainz in FP1

Leclerc, who has yet to finish an F1 or FIA Formula 2 race at Monaco, had to abort a couple of potentially even faster laps late on, but his 1m14.531s posted on medium tyres kept him at the top of the timing screens, despite the late improvement from Perez.

Defending champion and new points leader Max Verstappen, meanwhile, ran in fourth as the Mercedes contended with further porpoising trouble aboard the W13.

The first practice to take place in Monaco on a Friday during the modern era was typified by a breathless run of fastest laps from Verstappen and the Ferraris to that led to constant changing at the top of the leaderboard in the early part of the hour.

The leaders diverged with Verstappen sticking to the hardest available C3 compound, while the Ferraris opted for the yellow-walled C4 medium Pirellis.

Verstappen had been first out on track ahead of Alex Albon, George Russell, Sainz and Red Bull teammate Perez.

The Dutch racer had complained of early DRS activation problems, like those that hobbled him in qualifying and the race last weekend in the Spanish Grand Prix.

But he was soon up to speed, as Daniel Ricciardo set the early benchmark with a 1m20.364s effort to lead Fernando Alonso and McLaren stablemate Lando Norris - still under the weather after his bout of tonsillitis in Spain.

Leclerc was the first driver to launch under the 1m20s, romping to a 1m17.993s before Sainz pounded round the principality seven tenths faster only moments later as the newly resurfaced track started to rubber in.

Then Verstappen commenced his initial stint on hard tyres, moving top with a 1m16.582s to sit clear by half a second.

As the field chased after the 1m10.166s lap record set by Lewis Hamilton in Q3 in 2019, Leclerc then ran fastest in all three sectors.

Verstappen fell just a tenth shy next time around, the RB18 completing the tour in 1m16.276s after 10 minutes.

While Hamilton and Russell complained of extreme bouncing returning with a stiff set-up around bumpy Monaco, Verstappen then dropped below the 1m16s as he sailed to a 1m15.933s on the slower Pirellis.

Sainz ran second, just a thousandth off teammate Leclerc, who had just gone fastest with a 1m15.714s.

But the home hero's rhythm was quickly interrupted when Leclerc locked the front-right over the bumps into Sainte Devote and sent it down the escape road.

Verstappen doubled down by running fastest in sectors two and three to move top once again with his 1m15.327s turn of speed.

But then the frenetic changing of times at the top of the leaderboard was interrupted by a red flag after 20 minutes.

Mick Schumacher had complained of a transmission gremlin and then stopped at the entrance to the pit lane.

The position of his Haas notably forced Alonso to a halt when he was unable to manoeuvre past the stricken Schumacher, forcing the Alpine driver to toggle reverse. The blockage swiftly led to red flags.

After four minutes, the track reopened, which paved the ways for the two McLarens to cycle to the top.

Medium-shod Norris lowered the benchmark to 1m15.301s and then 1m15.056s to keep 0.2s in hand over Ricciardo on the same tyre.

It took until 22 minutes to run for Pierre Gasly to split the pair as Russell then moved to third and further demoted Ricciardo.

And as the final quarter of an hour landed, again the leading Ferrari and Red Bull protagonists came to the fore.

Verstappen ran quickest with a 1m14.7132s upon his switch to medium tyres but soon headed for the Sainte Devote escape road after a sizeable front-right lock up.

Sainz might have gone even quicker with the best first and second sectors at the time, only to run across the swimming pool chicane to avoid slow traffic.

That permitted Leclerc to move second, just three thousandths adrift of Verstappen, before his session-topping effort arrived.

With 12 minutes to run, Leclerc bolted around on the medium tyre to land a 1m14.531s to sit in first place, where he would remain.

Perez was able to improve to within four hundredths, as Sainz ended FP1 a tenth adrift of his teammate.

Verstappen finished the opening gambit 0.2s in arrears of Leclerc, while Norris, Gasly and Ricciardo were shuffled to places 5-7.

Russell led the troublesome Mercedes attack in eighth, with Hamilton rounding out the top 10.

The Silver Arrows duo sandwiched Sebastian Vettel, with only the pair of Aston Martins and Williams venturing out on the fastest-available C5 soft tyre.

Yuki Tsunoda hit 11th over Lance Stroll (who complained he was going to crash with no front grip), Alonso and Magnussen, the Haas driver another to step beyond the limit at Sainte Devote.

Albon ran to 15th amid complaints that a bouncing Williams was causing his front wheels to skip into the air.

Valtteri Bottas was slowest and only able to complete two laps at a venue where the lighter, short-wheelbase Alfa Romeo is expected to excel.

He complained about a pedal box issue and pitted but never returned to the circuit thereafter as his Friday misfortune endures.

Cla	Driver		Chassis	Engine	Laps	Time	Gap
1	Charles Leclerc		Ferrari	Ferrari	29	1'14.531
2	Sergio Perez		Red Bull	Red Bull	30	1'14.570	0.039
3	Carlos Sainz		Ferrari	Ferrari	28	1'14.601	0.070
4	Max Verstappen		Red Bull	Red Bull	26	1'14.712	0.181
5	Lando Norris		McLaren	Mercedes	31	1'15.056	0.525
6	Pierre Gasly		AlphaTauri	Red Bull	33	1'15.083	0.552
7	Daniel Ricciardo		McLaren	Mercedes	33	1'15.157	0.626
8	George Russell		Mercedes	Mercedes	34	1'15.211	0.680
9	Sebastian Vettel		Aston Martin	Mercedes	33	1'15.387	0.856
10	Lewis Hamilton		Mercedes	Mercedes	29	1'15.499	0.968
11	Yuki Tsunoda		AlphaTauri	Red Bull	36	1'15.536	1.005
12	Lance Stroll		Aston Martin	Mercedes	26	1'15.539	1.008
13	Fernando Alonso		Alpine	Renault	28	1'15.749	1.218
14	Kevin Magnussen		Haas	Ferrari	30	1'15.806	1.275
15	Alex Albon		Williams	Mercedes	39	1'16.110	1.579
16	Esteban Ocon		Alpine	Renault	24	1'16.315	1.784
17	Zhou Guanyu		Alfa Romeo	Ferrari	27	1'16.417	1.886
18	Nicholas Latifi		Williams	Mercedes	30	1'17.714	3.183
19	Mick Schumacher		Haas	Ferrari	12	1'18.636	4.105
20	Valtteri Bottas		Alfa Romeo	Ferrari	2
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