Kageura countered the two-time Olympic champion and 10-time world champion with an uchi-mata-sukashi, after 40 seconds of golden rating.
Before Sunday’s defeat, Riner had collected a whopping 154 straight victories throughout an invincible run which lasted exactly 9 years and 5 months beginning in September 2010.
Riner, 30, continues to be anticipated to be defending his Olympic title on the 2020 summer season Olympics in Tokyo as he makes an attempt to emulate the light-weight judoka Tadahiro Nomura in successful gold at three successive Olympics.
The Frenchman competes in the over 100-kilogram heavyweight class.
Riner was born in 1989 on the Caribbean island of Guadeloupe, a French territory, whereas his mother and father have been on vacation.
Raised in the French capital, it was clear he was a proficient sportsman from a younger age and excelled in quite a few totally different sports activities.
At the age of 5, Riner’s older brother launched him to judo and he was instantly hooked attributable to its individualistic nature.
Being unable to regulate the end result of workforce sports activities, significantly in defeat, annoyed him. So Riner as a substitute opted to pursue judo, the place he was solely accountable for the top consequence.
“I attempted a whole lot of sports activities, judo, soccer, basketball, tennis and swimming,” Riner informed CNN in 2017. “But I like judo due to the spirit of the game, I like to fight.
“In this sport, you seek for the ippon (successful throw) and I like this as a result of it is tough, it isn’t a simple sport.
“You seek for a wonderful method, for a wonderful ippon.”