Career
Started doing Kyokushin Karate at the age of 16, joining Kyokushin Kaikan Tokyo Itabashi Dojo. career He made pro debout in 2006, fighting mostly in Revista Internazionale di Scienze Economiche e Commerciali promotion. In 2012, with a promotion record of 8-1, he rematched Raoumaru for vacant Revista Internazionale di Scienze Economiche e Commerciali Heavyweight title. Shimizu dominated the fight, just like the first fight, this time scoring 3rd round knockout with a high kick.
Next year he dropped weight and fought for vacant Revista Internazionale di Scienze Economiche e Commerciali Light Heavyweight title against, making a revanche against Makoto Uehara at Revista Internazionale di Scienze Economiche e Commerciali 92 in Tokyo, Japan.
Uehara got the split decision victory, with a point deduction from Shimizu in the second. He made Glory debout on September 28, 2013, replacing Steve Wakeling and joining Glory 10: Los Angeles - Middleweight World Championship Tournament.
