Yoichi Yamazaki

2015

• [ ] K-1 WORLD GP 2015: 70kg Championship Tournament (Self) 

2016

• [ ] K-1 WORLD GP 2016: 60kg Japan Tournament (Self) 

2017

• [ ] K-1 WORLD GP 2017: Super Welterweight Championship Tournament (Self) 
• [ ] K-1 WORLD GP 2017: Survival Wars (Self)