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Philippines · Super bantamweight
John Riel Casimero
- 36 years old
- 5′4″
- WBO No. 4
- IBF No. 11
- IBO No. 2
- Wins
- 36
- Losses
- 5
- Draws
- 1
- KOs
- 25
69% of wins inside the distance
Fights
Before that
- WinTom Mizokoshi27 Dec 2025KO · 5 (8)
- LossKyonosuke Kameda25 Oct 2025UD · 10
- WinSaul Sanchez13 Oct 2024TKO · 1 (10)
- DrawYukinori Oguni12 Oct 2023TD · 4 (10)
Show the next 5 fights
- WinFillipus Nghitumbwa13 May 2023 · WBO Global Super BantamweightUD · 12
- WinRyo Akaho3 Dec 2022KO · 2 (10)
- WinGuillerno Rigondeaux14 Aug 2021 · WBO world title · BantamweightSD · 12
- WinDuke Micah26 Sept 2020 · WBO world title · BantamweightTKO · 3 (12)
- WinZolani Tete30 Nov 2019 · WBO world title · BantamweightTKO · 3 (12)
32 older fights · BoxRec profile ↗
Rankings
Best: No. 2
- WBO
4
tracked since Aug 2026
- IBF
11
ranked 9th–11th since Jun 2026
- IBO
2
tracked since Sep 2026
Not ranked by the WBA.
Also ranked at Featherweight · WBC No. 10
World titles
3 championship reigns · 2 sanctioning bodies · 3 weight classes
Bantamweight
- WBO2019 – 2022
Flyweight
- IBF2016
Light flyweight
- IBF2012 – 2014
From 2012 to 2022.
Every date, reign by reign
Current titles: the sanctioning bodies' official rankings. History and dates: Wikipedia's lists of world champions (CC BY-SA 4.0), re-read every week.
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 |
|---|---|---|---|---|---|
| WBO | 4 | — | · | · | · |
| IBF | 11 | 2 | 1 | New | New |
| IBO | 2 | · | · | · | · |
Trajectory, body by body
WBC
No. 10tracked since Sep 2026
WBO
No. 4tracked since Aug 2026
IBF
No. 11 since Sep 2026 · best No. 5 (Oct 2023)tracked since Feb 2023
IBO
No. 2tracked since Sep 2026
See the changes in detail
| Sep 2026 | No. 10 |
| Aug 2026 | No. 4 |
| Feb 2023 | No. 14 |
| Mar 2023 | No. 15 |
| May 2023 | No. 10 |
| Jun 2023 | dropped out of the ranking |
| Aug 2023 | No. 6 |
| Oct 2023 | No. 5 |
| Dec 2023 | dropped out of the ranking |
| Jan 2024 | No. 6 |
| Mar 2024 | No. 7 |
| Apr 2024 | No. 9 |
| Jul 2024 | dropped out of the ranking |
| Aug 2024 | No. 11 |
| Sep 2024 | No. 13 |
| Oct 2024 | No. 10 |
| Nov 2024 | No. 11 |
| Dec 2024 | No. 12 |
| Jan 2025 | No. 11 |
| Mar 2025 | No. 10 |
| Jul 2025 | No. 11 |
| Sep 2025 | dropped out of the ranking |
| Jun 2026 | No. 10 |
| Jul 2026 | No. 9 |
| Aug 2026 | No. 10 |
| Sep 2026 | No. 11 |
| Sep 2026 | No. 2 |