Ferrari have won three of the four races since the mid-season break, leading to action from Mercedes ahead of this weekend's race in Suzuka.
Marc Marquez has clinched a fourth straight MotoGP world championship, but which other drivers have dominated across motorsport?
Charles Leclerc and Sebastian Vettel both want to be the main man at Ferrari, making life a little tricky for team officials.
Ferrari are struggling to juggle the ambitions of Charles Leclerc and Sebastian Vettel - a scenario rival boss Toto Wolff knows well.
Ferrari have impressed with their pace in recent weeks but their tactics continue to frustrate star driver Charles Leclerc.
Ferrari's tactics were again the subject of much debate as Sebastian Vettel appeared unaware of a plan for him to let Charles Leclerc past.
Charles Leclerc was frustrated again on a tough day for Ferrari as Lewis Hamilton won in Russia on Sunday.
Ferrari have excelled since the mid-season break and head into Sunday's Russian Grand Prix eyeing a fourth race win on the spin.
Ferrari's call to allow Sebastian Vettel to take first spot from Charles Leclerc in Singapore was not initially well received by the latter.
Sebastian Vettel ended a long wait for a Grand Prix win on Sunday, but now faces the task of holding off Ferrari team-mate Charles Leclerc.