Alonso outpaces the Mercedes duo in Montreal.
Ferrari’s Fernando Alonso managed to surprise everyone by setting the pace ahead of the title-contending Mercedes in first practice of Canadian Grand Prix, he was 0.016 seconds ahead of Lewis Hamilton, who was 0.13secs ahead of team-mate Nico Rosberg.
Red Bull’s Sebastian Vettel came fourth ahead of Williams’ Valtteri Bottas, Red Bull’s Daniel Ricciardo and McLaren’s Jenson Button and Kevin Magnussen.
Mercedes are expected to be in a league of their own again at the Circuit Gilles Villeneuve thanks to the track’s long straights which penalise the power deficit of the cars with the rival Renault and Ferrari engines.