Teiken Boxing Gym
Ishida was born in Tamana District, Kumamoto and moved to Neyagawa, Osaka soon after. He began boxing at the Osaka Teiken Boxing Gym at the sixth grade of elementary school (at age eleven). When Ishida was a high school freshman, he fought as an in-fighter in the flyweight division at 176 centimeters (5 feet 10 inches) tall. He won the national high school invitational tournament in the lightweight division in 1993.