Six-times MotoGP champion Marc Marquez logged his factory Ducati debut with pole position at the season-opening Thailand Grand Prix, edging out his younger brother Alex Marquez of Gresini at the Buriram International Circuit on Saturday.

Marc Marquez and brother Alex lock out the top two places on the grid in Buriram MotoGP qualifying. Marc Marquez will start his first MotoGP races as a Ducati Lenovo rider from pole position at Buriram.

New in the factory Ducati team, the six-time MotoGP™ World Champion was straight down to business and will start the Sprint and Grand Prix from pole

Six-time world champion Marc Marquez grabbed pole position ahead of brother Alex for Sunday's season-opening MotoGP race at Buriram in Thailand. The 32-year-old Marquez went quickest in opening practice on Friday before being pipped by brother Alex in the afternoon session.

Marc Marquez says the margin for improvement over the rest of the MotoGP Thai Grand Prix weekend is “small” but is already “on paper” the rider to beat. The eight-time grand prix world champion topped FP1 at Buriram on Friday morning and was set for a clean sweep in the afternoon until he was pipped by his brother Alex Marquez by 0.052s.

Six-time world champion Marc Marquez grabbed pole position ahead of brother Alex for Sunday’s season-opening MotoGP race at Buriram in Thailand.

Six-time world champion Marc Marquez was upstaged by his brother Alex in afternoon practice heading into the first race weekend of the MotoGP season at Buriram in Thailand on Friday. The start of the new MotoGP season has been overshadowed by the absence of world champion Jorge Martin.

Alex Marquez snatched the top spot in practice from his brother in Thai MotoGP Practice. Alex Marquez and Marc Marquez finished atop the times on Friday at the MotoGP Thai Grand Prix, furthering the humorous rivalry between the two.