Kazuto Ioka's highest current position is #8 with the IBF at Bantamweight, with additional Bantamweight rankings at #9 with the WBC and #10 with the WBA. He dropped 1 place from #7 with the IBF in June 2026.
Summary from monthly sanctioning-body lists in our database (not a fight record).
| Division | First entered rankings | Most recently in rankings | Time ranked |
|---|---|---|---|
| Bantamweight | September 2025 | July 2026 | 11 months |
| Super Flyweight | July 2018 | December 2025 | 7 years 5 months |
| Flyweight | February 2014 | December 2017 | 3 years 11 months |
| Light Flyweight | December 2009 | August 2014 | 3 years 1 month |
| Minimumweight | February 2011 | December 2012 | 1 year 9 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.