Hiroto Kyoguchi, the Japan boxer, is not listed in the latest monthly rankings, but has previous ranking records, with the latest entry from June 2025 in the Flyweight division.
Summary from monthly sanctioning-body lists in our database (not a fight record).
| Division | First entered rankings | Most recently in rankings | Time ranked |
|---|---|---|---|
| Flyweight | January 2023 | June 2025 | 2 years 2 months |
| Light Flyweight | July 2018 | May 2023 | 4 years 11 months |
| Minimumweight | February 2017 | September 2018 | 1 year 8 months |
Time ranked counts distinct months this fighter appears on a rankings list for that division. If they drop out and return later, months off the ranking lists are not included.