Koki Eto, the Japan boxer, is not listed in the latest monthly rankings, but has previous ranking records, with the latest entry from January 2021 in the Super 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 |
|---|---|---|---|
| Super Flyweight | March 2017 | January 2021 | 3 years 11 months |
| Flyweight | November 2012 | November 2015 | 2 years 11 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.
