Rinoko Wada successfully defended her women's under-78 kilograms title, as all four gold medals went Japan's way at the International Judo Federation (IJF) World Junior Championships in Marrakech today.
Wada beat The Netherlands' Renee Van Harselaar in their final at the Moroccan city's Chapiteau - Quartier Agdal.
Germany's Christina Faber and Portugal's Patricia Sampaio were the bronze medallists.
Japan's gold medal rush continued in the men’s under-100kg final, with Kazunari Kamigaki defeating Georgia’s Ilia Sulamanidze.
The bronze medals went to Turkey's Mert Sismanlar and Hungary's Zsombor Veg.
There was also success for Japan in the women's over-78kg and men's over-100kg categories, through Ruri Takahashi and Sosuke Matsumura, respectively.
Takahashi overcame South Korea's Kim Hayun in the battle for top honours, while Matsumura saw off Germany's Erik Abramov.
Rounding off the women's over-78kg podium were France's Tahina Durand and The Netherlands' Marit Kamps.
Hungary's Richard Sipocz and South Korea's Kim Minjong were the men's over-100kg bronze medallists.
Japan end individual competition at the 2019 IJF World Junior Championships with a total of six gold medals.
Georgia came closest to matching that tally with three, while Brazil, Hungary, Mongolia, Russia and Tajikistan had one winner each.
Competition in Marrakech concludes tomorrow.
Medals will be awarded in the mixed team event.
Watch all the action on Judo TV.