Hikari defeated Russian neutral athlete and European bronze medallist Sabina Giliazova in the women's under-48kg final through an ippon.

Top seed Catarina Costa of Portugal and Tamar Malca of Israel won bronze medals.

Costa, who won silver at the Tashkent Grand Slam earlier, was knocked out by Hikari 1-0 in the quarter-final.

Israel, Canada and Mongolia also managed to bag gold on the first day of the event.

In the women's under-52kg class, two-time World Championships bronze medallist Gefen Primo of Israel defeated Tokyo 2020 silver medallist Amandine Buchard of France in the final.

It was a 1-0 waza-ari triumph for the Primo, who won bronze in the Paris Grand Slam this year.

Diyora Keldiyorova of Uzbekistan and Hungarian Réka Pupp settled for bronze.

Christa Deguchi came out on top in an all-Canadian battle with Jessica Klimkait, an Olympic bronze medallist in Tokyo.

Deguchi, who has also represented Japan, registered a 1-0 ippon win in the women's under-57kg category.

Russian neutral Kseniia Galitskaia and Suth Korean Huh Mi-mi were the bronze medallists.

Galitskaia despatched Britain's Nekoda Smythe Davis 1-0 via waza-ari in the bronze medal match while Huh secured a 1-0 ippon win against Telma Monteiro of Portugal.

Japan got its second gold when Ryuju Nagayama defeated Romain Valadier Picard of France.

Asian and world medallist Nagayama got a 2-0 win via waza-ari in the men's under-69kg.

Another neutral athlete in Ramazan Abdulaev and Lee Ha-rim of South Korea were the bronze medallists.

Hosts Mongolia stood on top of the podium when Baskhuu Yondonperenlei got a 1-0 ippon win against Obid Dzhebov of Tajikistan.

Yondonperenlei's compatriot Erkhembayar Battogtokh and Azerbaijani Yashar Najafov were the bronze medallists.