Championship leader Nico Rosberg moved clear during the second practice session for this weekend’s Spanish Grand Prix at the Circuit de Barcelona-Catalunya.
Rosberg clocked a time of 1:23.922 on the Soft tyres to finish 0.254s faster than Ferrari rival Kimi Räikkönen, whose programme was briefly interrupted by a fuel system issue.
Reigning World Champion Lewis Hamilton was third after a scruffy lap on the Soft tyres, with Sebastian Vettel in fourth position.
Spain’s representatives on the grid enjoyed a promising session with Carlos Sainz Jr. in fifth and Fernando Alonso seventh, split by Red Bull’s Daniel Ricciardo.
Red Bull’s Max Verstappen was eighth, as Sergio Pérez and Nico Hülkenberg completed the top 10 for Force India, the Mexican taking a trip through the gravel at Campsa early in the session.
Williams had a low-key session with Valtteri Bottas in 11th position and Felipe Massa a lowly 16th.
Jenson Button moved up to 12th for McLaren after suffering an engine problem during the session, while Romain Grosjean complained of his Haas being difficult to drive as he placed 13th.
Kevin Magnussen was 14th for Renault as Toro Rosso returnee Daniil Kvyat finished 10 places and 1.2 seconds adrift of new team-mate Sainz Jr.
Jolyon Palmer received only restricted running after his Renault RS.16 suffered a suspected high speed tyre failure along the pit straight.
It marked the second successive session in which the car sustained a tyre issue, after reserve driver Esteban Ocon encountered a problem in first practice.
Palmer was able to return to action during the final 15 minutes of the session and he placed 17th, ahead of Manor duo Pascal Wehrlein and Rio Haryanto.
Sauber had a lowly session with Felipe Nasr and Marcus Ericsson substantially slower than rivals Manor, the pair sandwiching Haas’ Esteban Gutiérrez, who managed only limited running due to an electronics issue.