Defending drivers' champion Sebastian Vettel topped the times for Red Bull on Saturday morning during the final practice session ahead of qualifying for Sunday's Canadian Grand Prix.
McLaren's Lewis Hamilton swept the opening day of the Canadian Grand Prix by going fastest in the second free practice session at the Circuit Gilles Villeneuve in Montreal.
Mark Webber did his CV and his future employment prospects a power of good last Sunday when he claimed his second masterful Monaco victory in three years.
In-form German Nico Rosberg and his Mercedes team are confident of a strong showing in Canada next weekend - when a revived Michael Schumacher could also be a major threat.