The French duo updated their own records for points for rhythm dance (90.03 points), free dance (136.58), as well as for the sum of two performances (226.61).
Papadakis and Sizeron are four-time world champions, five-time winners of European championships, silver medalists of the Olympic Games, as well as winners of the Grand Prix Final 2017/18 season.
It was previously reported that Alexandra Stepanova and Ivan Bukin took second place at the Grand Prix stage in Japan.