Taniela Tupou scored twice as Australia produced a dominant second-half display to beat Japan 56-17 in Townsville on Saturday and win three Tests in a row for the first time since 2024.
Les Kiss began his tenure as Wallabies head coach with a hard-fought 35-32 victory over Japan in Osaka, but Australia were made to work for every point.
Australia record their first victory in the Nations Championship with a comfortable win over Italy in Perth, France were too good for Japan in Tokyo while Scotland beat Fiji at Murrayfield.
Italy stunned Australia in Udine, the All Blacks needed a late try to overcome Scotland while Ireland and England recorded wins in the Autumn Nations Series on Saturday.
The Springboks kicked off their November tour on an emphatic note as they dispatched Japan 61-7 at a wet Wembley Stadium on Saturday.
There is a South African flavour to the Japan team that will do battle against the Springboks at Wembley this Saturday.