Mizuki Hiruta
is a Japanese professional boxer, who has held the WBO super flyweight title since 2022. Amateur boxing career Hiruta took up boxing while attending the Okayama Technical High School and continued to train while at the JSDF Physical Training School. Hiruta was able to reach the finals of the 2016 All Japan Women's Championships, competing in the flyweight event, but was defeated by the 2014 World Championships bronze medalist Madoka Wada in the final bout of the tournament. Hiruta participated in the next year's All Japan Women's Championship as well and although she was able to reach the finals for the second consecutive year, she once again suffered a loss at the hands on Madoka Wada. Hiruta won the gold medal in the flyweight event of the 2018 All Japan Women's Championships and in the featherweight event of the 2019 All Japan Women's Championships. She furthermore competed at the 2018 World Championships, but lost in the opening round of the tournament. Hiruta ended her amateur career with a record of 29–16, with 13 victories coming by way of stoppage. Professional boxing career Early career Hiruta was discharged from the JSDF in March 2021 and acquired her B-class professional boxing license