Kenya Kohara upset reigning Olympic champion Takanori Nagase to claim the men's 81-kilogram gold medal in one of several all-Japanese finals Saturday at the International Judo Federation's Grand Slam Tokyo.Kohara's surprise victory headlined a dominant opening day for the host nation at the Tokyo Metropolitan Gymnasium.The 28-year-old overcame another compatriot, Sotaro Fujiwara, to advance to the final against multiple Grand Slam champion Nagase, who won gold at last year's Tokyo Games.World championship runner-up Haruka Funakubo topped the women's 57-kg podium by beating Tokyo Olympic bro…READ FULL ARTICLE
