Mercedes' Nico Rosberg cruised to victory in the Japanese Grand Prix after a disastrous start from team-mate Lewis Hamilton.
The German now leads the Drivers' Championship by 33 points as his victory and Hamilton's third-place finish ensured Mercedes won the Constructors' Championship.
Hamilton started second behind Rosberg on the grid but his slow getaway saw him drop to eighth as the likes of Red Bull and Ferrari cruised past him.
He eventually climbed his way back up the leaderboard but could not finish ahead of Red Bull's Max Verstappen, who held onto second place.
Sunday's race was the fourth time Hamilton made a mess of the start, but he was quick to congratulate Rosberg after the race.
"I made a mistake," he told reporters. "Working my way up from there was tricky, but I did the best I could.
"Nico did a great job so congrats to him."
Sebastian Vettel and Kimi Raikkonen finished fourth and fifth, in front of Australian Daniel Ricciardo. Seventh place went to Sergio Perez, while Nico Hulkenberg, Felipe Massa and Valtteri Bottas rounded off the top ten.