Ryo Egawa put the Asian champions ahead in the opening minute after she won the ball in her own half and drove towards Tanzania’s goalmouth before rifling a rasping shot past a bewildered Zuhura Waziri.

Japan increased their lead in the fourth minute after Sabina Mbuga deflected Kyoka Takahashi’s cross into the path of Naomi Matsumoto, who slotted in the rebound.

Tanzania’s persistent infringements caught up with them in the 18th minute - accumulating five fouls which earned Japan a direct 10 metre free-kick which Mizuki Nakamura smashed home.

Japan ramped up the pressure in the second half with Kaho Ito powering a shot from an acute angle from a short corner in the 24th minute.

Yuka Iwasaki turned Fatuma Issa to fire home Japan’s fifth in the 26th minute before giving Mary Siyame the slip in the next minute to steer in another with Takahashi making it 7-0 seconds later.

Japan wrapped up a smashing performance with further goals from Anna Amishiro (33rd) and Egawa (34th).