Japanese judokas won all four events on the second day of competition at the International Judo Federation (IJF) Osaka Grand Slam.
World champion Uta Abe suffered her first defeat on the International Judo Federation World Tour in three years on the opening day of the Osaka Grand Slam.
Osaka is set to host the final international judo competition on Japanese soil before the Tokyo 2020 Olympic Games, when it welcomes athletes for the last Grand Slam event of the season.
Teenager Daria Bilodid is among a packed field of world champions competing at the penultimate International Judo Federation Grand Slam event of the season in Abu Dhabi.
Olympic champion Teddy Riner won a 152nd consecutive match to win gold on the final day of the International Judo Federation Grand Slam event in Brasilia.
Double Olympic champion Yuri Alvear of Colombia clinched International Judo Federation (IJF) Grand Slam gold with victory against German Giovanna Scoccimarro in Brasilia.
Brazil's world number 202 Allan Kuwabara caused a major upset on the opening day of the International Judo Federation (IJF) Grand Slam by defeating world number one Eric Takabatake to claim the under-60 kilograms title in Brasilia.
Double Olympic champions Teddy Riner from France and Lukáš Krpálek of Czech Republic are set to do battle in the fifth Grand Slam tournament of the season as the International Judo Federation (IJF) returns to Brazil for the first time in six years.