Tomoya Tsuboi's highest current position is #1 with the WBC and WBO at Super Flyweight, with additional Super Flyweight rankings at #2 with the WBA and #8 with the IBF. He moved up 2 places from #10 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 | June 2025 | November 2025 | 6 months |
| Super Flyweight | August 2025 | June 2026 | 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.
