1: ( CNN ) Reigning world champion Lewis Hamilton and teammate Nico Rosberg resumed where they left off last season as the 2015 Formula One season kicked off in Melbourne . 2: Rosberg , who won last year 's GP at Albert Park , was fastest around the Melbourne street circuit on Friday , finishing 0.1 second ahead of Hamilton with Sebastian Vettel taking third spot for his new team Ferrari -- the German four-time world champion finished 0.715 seconds off the pace set by his compatriot . 3: Nico Rosberg fastest ahead of team Lewis Hamilton in Australia GP practice .
1: teammate Nico Rosberg 2: Rosberg , who won last year 's GP at Albert Park 3: Nico Rosberg