Oleydong Sithsamerchai, the Thailand boxer, is not listed in the latest monthly rankings, but has previous ranking records, with the latest entry from February 2017 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 | October 2012 | February 2017 | 4 years 3 months |
| Light Flyweight | May 2012 | February 2013 | 10 months |
| Minimumweight | August 2005 | April 2012 | 6 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.