Honda's Marc Marquez moved closer to the title after victory at the Australian GP at Phillip Island.
Andrea Dovizioso took his fifth MotoGP win of the season at Twin Ring Motegi, beating off Marc Marquez to close the distance in the title race.
Championship leader Marc Marquez is third on the grid for the Japanese MotoGP in Motegi as Johann Zarco takes pole in wet conditions.
Defending champion Marc Marquez has opened up a 16-point advantage at the top of the world championship standings after winning the Aragon MotoGP.
Nine-time MotoGP champion Valentino Rossi will race in Sunday's Aragon GP just 22 days after breaking his leg in two places.