SAKHIR, Bahrain (AP) -- Nico Rosberg edged Mercedes teammate Lewis Hamilton in another dominant display in Friday's opening practice session for the Bahrain Grand Prix.
Rosberg, who has won the past four Formula One races dating back to last season, set a time of 1 minute, 32.294 seconds at the Sakhir circuit, half a second faster than Hamilton and 1.8 seconds faster than third-place Kimi Raikkonen of Ferrari.
Following a 1-2 finish in the opening race in Australia, Mercedes remains a cut above its opposition.
Red Bull drivers Daniel Ricciardo and Daniil Kvyat were fourth and fifth fastest, respectively, ahead of Force India driver Nico Hulkenberg.
Toro Rosso pair Carlos Sainz Jr. and Max Verstappen were seventh and eighth, followed by Haas driver Romain Grosjean and Williams driver Felipe Massa.