Anthony Olascuaga is currently the WBO Flyweight titleholder after moving up from Light Flyweight.
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 | November 2023 | May 2024 | 6 months |
| Flyweight | March 2022 | July 2026 | 4 years 1 month |
| Light Flyweight | December 2022 | February 2024 | 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.