Andrea Dovizioso and Andrea Iannone, were classified seventh and tenth respectively.
Repsol Honda rider leads first free practice session ahead of teammate Pedrosa and Aleix Espargaro.
Haslam and Lowes complete the podium, Torres ahead of Sykes in fourth.
The 24-year-old Englishman was the first rider to break the 1’35 barrier to record a 1’34.685s lap time.
Torrential downpours bring an abrupt end to teams’ testing schedules
Reigning MotoGP champion splits factory Ducati riders Dovizioso and Iannone
Reigning MotoGP champion very happy with blistering hot race simulation
Spaniard very happy with progress on his Repsol Honda RC213V
Movistar Yamaha rider very happy with first day using updated gearbox
The new Desmosedici GP15 took to the track today in the IRTA tests at Sepang International Circuit.
Despite the difficult track and weather conditions Valentino Rossi and Jorge Lorenzo were able to finish today’s session in first and fifth respectively.
Seven-time MotoGP champion sets the bar on first day of second Sepang test.
MotoGP champ wants more grip while Yamaha make seamless transition to second Sepang test.