He has previously played for the Chunichi Dragons of Nippon Professional Baseball.

Ishida was born to a Japanese mother and Belgian (Walloon) father in Spain, but moved to Nagoya, Aichi, Japan when he was 3 months old.

[1] Ishida is a graduate of the Toho High School baseball program where he took over as the ace from future Dragons teammate Taisuke Maruyama.

[2] On 26 October 2017, Ishida was selected as the 2nd draft pick in the development player round for the Chunichi Dragons at the 2017 NPB Draft and on 7 November signed a development player contract with a ¥2,000,000 moving allowance and a ¥3,000,000 yearly salary.

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