10th World Open Championship in Kyokushin karate (IKO). Tokyo, Japan, 4–6 November 2011.
Winners
- Tariel Nikoleishvili — Russia
- Ewerton Teixeira — Brazil
- Goderzi Kapanadze — Russia
- Makoto Akaishi — Japan
- Zahari Damyanov — Bulgaria
- Nikolai Davydov — Russia
- Alexander Yeremenko — Ukraine
- Ilya Karpenko — Russia
Awards
- Fighting spirit: Goderzi Kapanadze — Russia
- Best technique: Yuta Sawamura — Japan
- Tameshiwari: Zahari Damyanov — Bulgaria