---
title: "Kosuke Tomioka"
---

# Kosuke Tomioka

Nationality: Japan

## Current rankings

| Organization | Division | Rank | Month |
| --- | --- | --- | --- |
| WBA | Flyweight | #5 | August 2026 |
| WBC | Flyweight | #21 | September 2026 |
| IBF | Flyweight | #5 | July 2026 |
| WBO | Flyweight | #4 | August 2026 |

## Ranking history

| Month | Organization | Division | Rank |
| --- | --- | --- | --- |
| September 2026 | WBC | Flyweight | #21 |
| August 2026 | WBA | Flyweight | #5 |
| August 2026 | WBC | Flyweight | #22 |
| August 2026 | WBO | Flyweight | #4 |
| July 2026 | WBA | Flyweight | #4 |
| July 2026 | WBC | Flyweight | #23 |
| July 2026 | IBF | Flyweight | #5 |
| July 2026 | WBO | Flyweight | #4 |
| June 2026 | WBA | Flyweight | #4 |
| June 2026 | WBC | Flyweight | #22 |
| June 2026 | IBF | Flyweight | #5 |
| June 2026 | WBO | Flyweight | #4 |
| May 2026 | WBA | Flyweight | #4 |
| May 2026 | WBC | Flyweight | #21 |
| May 2026 | IBF | Flyweight | #5 |
| May 2026 | WBO | Flyweight | #4 |
| April 2026 | WBA | Flyweight | #4 |
| April 2026 | WBC | Flyweight | #21 |
| April 2026 | IBF | Flyweight | #6 |
| April 2026 | WBO | Flyweight | #3 |
| March 2026 | WBC | Flyweight | #19 |
| March 2026 | IBF | Flyweight | #8 |
| March 2026 | WBO | Flyweight | #4 |
| February 2026 | WBC | Flyweight | #28 |
| February 2026 | IBF | Flyweight | #8 |
| February 2026 | WBO | Flyweight | #4 |
| January 2026 | IBF | Flyweight | #8 |
| January 2026 | WBO | Flyweight | #9 |
| December 2025 | WBC | Flyweight | #22 |
| December 2025 | IBF | Flyweight | #9 |
| December 2025 | WBO | Flyweight | #12 |
| November 2025 | IBF | Flyweight | #10 |
| November 2025 | WBO | Flyweight | #13 |
| October 2025 | WBC | Flyweight | #26 |
| October 2025 | IBF | Flyweight | #10 |
| October 2025 | WBO | Flyweight | #14 |
| September 2025 | WBC | Flyweight | #26 |
| September 2025 | IBF | Flyweight | #11 |
| September 2025 | WBO | Flyweight | #14 |



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