Overview

• The decision ends a career highlighted by interim and full WBC mini-minimum titles won in 2023.
• Ginjiro Shigeoka remains hospitalized in Kumamoto after undergoing a craniotomy following a May bout.
• Shigeoka cited his brother’s prolonged unconsciousness and need for family care as his reason for retiring.
• He leaves the sport with a 9-2 professional record that includes five knockouts.
• He pledged to devote his energy to his brother’s care and explore a new chapter together.