Karate in Japan
The sport has declined in popularity and is more popular abroad. Karate at the 2020 Summer Olympics is going to be a debut event at the Summer Olympics.
Seidokaikan
In March 1992, the Karate Olympics I show was held at the Tokyo Gymnasium with Nobuaki Kakuda fighting American Willie Williams. In May, the Karate Olympics II show was held at Tokyo's Yoyogi Hall with Swiss Kyokushin champion Andy Hug fighting Toshiyuki Yanagisawa. Andy Hug joined Siedokaikan.