Katsunari Takayama, the Japan boxer, is not listed in the latest monthly rankings, but has previous ranking records, with the latest entry from March 2025 in the Minimumweight division.
Summary from monthly sanctioning-body lists in our database (not a fight record).
| Division | First entered rankings | Most recently in rankings | Time ranked |
|---|---|---|---|
| Light Flyweight | December 2020 | January 2025 | 2 years 1 month |
| Minimumweight | September 2002 | March 2025 | 13 years 7 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.