Riku Kano is outside the current major-body rankings; their most recent tracked listing was August 2024 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 | June 2022 | August 2024 | 2 years 3 months |
| Light Flyweight | November 2020 | April 2023 | 2 years 6 months |
| Minimumweight | February 2016 | April 2017 | 1 year 3 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.
