Ratanachai Sor Vorapin has ranking history, with the latest entry from September 2008 in the Bantamweight division.
Summary from monthly sanctioning-body lists in our database (not a fight record).
| Division | First entered rankings | Most recently in rankings | Time ranked |
|---|---|---|---|
| Featherweight | May 2004 | May 2004 | 1 month |
| Super Bantamweight | September 2001 | October 2002 | 1 year 1 month |
| Bantamweight | March 2000 | September 2008 | 6 years 6 months |
| Super Flyweight | May 1997 | June 2000 | 1 year 10 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.