The Monegasque, who has yet to stand on the podium at his home race despite two poles, lapped a best time of 1:11.369s, 0.197s ahead of Red Bull’s runaway championship leader Max Verstappen.

Leclerc was also the fastest in Friday practice while Verstappen struggled with his car on the bumpy surface – problems his team appeared to have improved overnight, although the Red Bull driver said he was pushing to the limit.

“It’s something I didn’t expect, but it’s definitely at the higher end of the worst possible outcome of the weekend so far and it’s very difficult,” Verstappen had said after Friday’s practice woes.

The Dutch driver will be chasing a record ninth successive pole, and eighth of the season, in qualifying around the sinuous city circuit.

Qualifying is crucial in Monaco, a circuit famously difficult to overtake on where pole position on Saturday frequently translates into victory on Sunday.

Seven-time world champion Lewis Hamilton, a triple winner in Monaco, was third-fastest for Mercedes after being first and second in Friday’s two sessions.

McLaren’s Oscar Piastri was fourth on Saturday with Verstappen’s teammate Sergio Perez fifth but complaining the car was “nowhere”.

Mercedes’ George Russell lapped sixth-fastest, Ferrari’s Carlos Sainz was seventh and McLaren’s Lando Norris eighth.

RB’s Yuki Tsunoda continued his strong recent form with the ninth-best lap and Aston Martin’s Fernando Alonso completed the top 10.

Sauber’s Valtteri Bottas brought out some early red flags when he hit the tyre wall at the swimming pool chicane and blocked the track at Rascasse.