Mark topped the timesheets of the season’s first practice session in Melbourne this afternoon.
Mark posted the quickest time of 1:26.831 after 20 laps of Albert Park.
Our reigning World Champion, Sebastian, was the second-quickest driver in P1, setting a time of 1:27.158 after 19 laps.
Seb and Mark will be in action again at 4.30pm local time, for P2.
Australian Grand Prix: Friday first practice
Australian Grand Prix: Friday first practice