Barcelona February testing II / Day 1 (2015)

Ferrari: The opening day of the final test session of the winter at Montmelò

Sauber's Marcus Ericsson has been the busiest driver of the day in Barcelona

A decent day with Daniil Kvyat at the wheel of the RB11 in Barcelona

Williams has the best time of the day at Barcelona

Technical problem brings early finish for Mercedes on opening day at Barcelona

Grosjean resumed test duties in the Lotus E23 Hybrid at Barcelona

Carlos Sainz Jr. tests Toro Rosso updates on day one back at the Catalunya circuit

Massa puts Williams on top on first day

Massa boosted by Williams' reliability