News in depth
Defending Super Formula champion Hiroaki Ishiura clinched his first pole position of the 2018 season in a tightly-contested qualifying session at Motegi.
Hiroaki Ishiura has been declared the 2017 Super Formula champion after the final round of the season at Suzuka was cancelled due to a typhoon that is set to hit the track on Sunday.
Inging's Yuji Kunimoto clinched the Super Formula crown at Suzuka in the 2016 season's final race, which was won by Mclaren protege Stoffel Vandoorne.
Defending champion Hiroaki Ishiura has locked out pole position for the final two races of the Super Formula season at Suzuka.