Monegasque completed his best lap in 1 minute 30.872 seconds.
The second place went to Red Bull driver Max Verstappen (+0.304 seconds) from Holland.
Third - Mexican Sergio Perez (+0.463) from Red Bull.
The 12th Formula 1 round of the current season takes place at the Paul Ricard circuit in Le Castellet.
The race will take place on July 24th.
The start is at 16:00 Moscow time.
Earlier it was reported that Verstappen won the third practice of the French Grand Prix.