Kubica’s best lap - a 1m16.942s - was set on the C5 tyres, the softest in Pirelli’s pre-season selection, with Gasly ending up 0.598s adrift on the slightly harder C4 rubber.
On another sunny day at the Barcelona track, McLaren’s Carlos Sainz led the field out of the pits when the session got underway at 9am local time.
Lewis Hamilton and Ferrari’s Sebastian Vettel shared the top ...Keep reading

Source: Kubica quickest in opening session of second F1 test