49th All-Japan Open Championship in Kyokushin (IKO), 2017
Winners
- Yuta Takahashi — Japan
- Shohei Kamada — Japan
- Shoki Arata — Japan
- Mikio Ueda — Japan
- Ashot Zarinyan — Russia
- Goderzi Kapanadze — Russia
- Kenta Nanbara — Japan
- Alexander Yeremenko — Russia