10th World Open Championship in Kyokushin karate (SHIN (WKO)). Tokyo, Japan, 22–23 October 2011.
Winners
- Norichika Tsukamoto — Japan
- Tsutomu Muruyama — Japan
- Roman Nesterenko — Russia
- Lukas Kubilius — Lithuania
- Brian Jakobsen — Denmark
- Andrey Materov — Russia
- Yuji Shimamoto — Japan
- Yevgeniy Andrushko — Russia
Awards
- Fighting spirit: Yuki Maeda — Japan
- Best technique: Norichika Tsukamoto — Japan
- Tameshiwari: Brian Jakobsen — Denmark