Driving a Toyota Yaris, the Estonian won Wales Rally GB by 10.9sec to increase his championship lead to 28 points, with a maximum 60 available from the final two rounds.
Belgium’s Thierry Neuville finished second in a Hyundai i20 with reigning champion Sébastien Ogier third in a Citroën C3, a further 12.9sec behind. The Frenchman’s hopes of a seventh straight title now look increasingly remote.
Tänak also won the live TV Wolf Power Stage to claim five bonus points. Ogier and team-mate Esapekka Lappi were second and third to collect four and three points, with Elfyn Evans taking two in his Ford Fiesta in fourth. Neuville took the final point in fifth.
More news to follow (full results click here).