Flyweight
Korakuen Hall
Fight details — Kosuke Tomioka vs Atsuki SanoLoading profile…
Japan · Flyweight
Kosuke Tomioka
- 5′4″
- WBC No. 22
- WBA No. 5
- WBO No. 4
- IBF No. 4
- IBO No. 12
- Fights on 29 October 2026
- Wins
- 11
- Losses
- 4
- Draws
- 1
- KOs
- 8
73% of wins inside the distance
Fights
Next fight
Before that
- WinTomonori Nagao10 Feb 2026 · WBO Asia Pacific FlyweightUD · 10
- WinMark Vicelles7 Sept 2025TKO · 7 (8)
- WinYoshiki Minato11 Mar 2025TD · 7 (8)
- WinShugo Namura8 Oct 2024KO · 7 (8)
Show the next 5 fights
- LossSho Nogami18 Mar 2024 · Japan Boxing Commission Japanese Youth FlyweightSD · 8
- WinYinhuan Su11 Jul 2023KO · 6 (8)
- LossEsneth Domingo26 Dec 2022KO · 4 (8)
- WinKC Prachanda26 Aug 2022KO · 5 (6)
- WinKotoji Irita10 May 2022TKO · 6
6 older fights · BoxRec profile ↗
Rankings
Best: No. 4
- WBC
22
ranked 21st–22nd since Sep 2026
- WBA
5
tracked since Aug 2026
- WBO
4
tracked since Aug 2026
- IBF
4
ranked 4th–11th since Sep 2025
- IBO
12
tracked since Oct 2026
Movement
Places gained or lost with each sanctioning body. Green is up, red is down, “New” marks an entry into the rankings, and a dot a period with no published archive.
| Body | The boxer's place in the sanctioning body's official ranking. “C”: world champion, above No. 1. An interim champion is marked as such (“Interim”, “Int.”): not the reigning champion. No. 1 is the leading contender for the title. | 1M | 3M | 6M | 1Y |
|---|---|---|---|---|---|
| WBC | 22 | · | · | · | · |
| WBA | 5 | — | · | · | · |
| WBO | 4 | — | · | · | · |
| IBF | 4 | 1 | 1 | 4 | 7 |
| IBO | 12 | · | · | · | · |
Trajectory, body by body
WBC
No. 22 since Oct 2026 · best No. 21 (Sep 2026)tracked since Sep 2026
WBA
No. 5tracked since Aug 2026
WBO
No. 4tracked since Aug 2026
IBF
No. 4 since Sep 2026tracked since Sep 2025
IBO
No. 12tracked since Oct 2026
See the changes in detail
| Sep 2026 | No. 21 |
| Oct 2026 | No. 22 |
| Aug 2026 | No. 5 |
| Aug 2026 | No. 4 |
| Sep 2025 | No. 11 |
| Oct 2025 | No. 10 |
| Dec 2025 | No. 9 |
| Jan 2026 | No. 8 |
| Apr 2026 | No. 6 |
| May 2026 | No. 5 |
| Sep 2026 | No. 4 |
| Oct 2026 | No. 12 |