Sebastian was quickest in practice ahead of Australian Grand Prix . Friday 's race in Australia is the first of the 2011 Formula One season . Webber first ahead of Red Bull teammate Mark Webber in second place . ` Overall it was a good day , if perhaps not the smoothest , '' reflected Hamilton . Mercedes ' Nico Rosberg third fastest , Lewis Hamilton seventh .
Sebastian was quickest in practice ahead of Australian Grand Prix . Friday 's race in Australia is the first of the 2011 Formula One season . Webber first ahead of Red Bull teammate Mark Webber in second place . Mercedes ' Nico Rosberg third fastest , Lewis Hamilton seventh .