He previously played in NPB for the Hokkaido Nippon Ham Fighters and Yomiuri Giants.

Ishikawa began career in the Nippon Professional Baseball (NPB) league with the Hokkaido Nippon-Ham Fighters in 2013.

His debut marked the start of a promising career in Japan's top baseball league.

During his tenure with the Fighters from 2013 to 2016, Ishikawa showed potential with his right-handed batting and throwing skills.

[3][4][5] On 3 July 2023, Ishikawa was traded to the Chiba Lotte Marines in exchange for Kenta Onuma.