11th World Open Championship in Kyokushin karate (SHIN (WKO)). Tokyo, Japan, 31 October – 1 November 2015.
Winners
- Yuji Shimamoto — Japan
- Kembu Iriki — Japan
- Lukas Kubilius — Lithuania
- Shota Maeda — Japan
- Kazufumi Shimamoto — Japan
- Nazar Nasirov — Russia
- Edgard Sečinski — Lithuania
- Macej Mazur — Poland
Awards
- Fighting spirit: Shota Maeda — Japan
- Best technique: Nazar Nasirov — Russia
- Tameshiwari: Lukas Kubilius — Lithuania
- Tameshiwari: Brian Jakobsen — Denmark