3rd All-Japan Open Championship in Kyokushin (IKO), 1971
Winners
- Katasuki Sato — Japan
- Yasuhiko Oyama — Japan
- Daigo Osihi — Japan
- Miyiuki Miuri — Japan
- Kenichi Kanagi — Japan
- Yukio Yoshioka — Japan
3rd All-Japan Open Championship in Kyokushin (IKO), 1971
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