Yasutaka Kuroki has ranking history, with the latest entry from January 2011 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 |
|---|---|---|---|
| Minimumweight | April 2007 | January 2011 | 3 years 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.
