Riku Masuda is #1 in the WBA Bantamweight rankings, and is also listed at WBC #3 and IBF #5. He dropped 1 place from #4 with the IBF in April 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 | February 2024 | June 2026 | 2 years 5 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.
