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JOHN
RIEL CASIMERO
Overview
John Riel Casimero (Philippines) is a professional boxer competing in the Featherweight division, with a record of 36-5-1 (25 by KO). (Record and vitals verified from boxing sources; combat ratings are editorial estimates.)
Attributes (editorial ratings)
Tale of the Tape
Championships
- WBO Bantamweight Champion2019–2022
- WBO Interim Bantamweight Champion2019
- IBF Flyweight Champion2016
- IBF Light Flyweight Champion2012–2014
- IBF Interim Light Flyweight Champion2012
- WBO Interim Light Flyweight Champion2009–2010
Recent Form
Fight History
Riel Casimero defeated Luis Nery via TKO in round 4 (10) (0:42) on June 6, 2026, taking his record to 36–5–1.
Riel Casimero defeated Tom Mizokoshi via TKO in round 5 (8) (1:10) on Dec. 27, 2025, taking his record to 35–5–1.
Riel Casimero lost to Kyonosuke Kameda via UD in round 10 on Oct. 25, 2025, taking his record to 34–5–1.
Riel Casimero defeated Saul Sanchez via TKO in round 1 (10) (2:41) on Oct. 13, 2024, taking his record to 34–4–1.
Riel Casimero fought Yukinori Oguni to a draw in round 4 (10) (0:27) on Oct. 12, 2023, taking his record to 33–4–1.
Riel Casimero defeated Fillipus Nghitumbwa via UD in round 12 on May 13, 2023, taking his record to 33–4.
Riel Casimero defeated Ryo Akaho via KO in round 2 (10) (2:25) on Dec. 3, 2022, taking his record to 32–4.
Riel Casimero defeated Guillermo Rigondeaux via SD in round 12 on Aug. 14, 2021, taking his record to 31–4.
Riel Casimero defeated Duke Micah via TKO in round 3 (12) (0:54) on Sept. 26, 2020, taking his record to 30–4.
Riel Casimero defeated Zolani Tete via TKO in round 3 (12) (2:14) on Nov. 30, 2019, taking his record to 29–4.
Riel Casimero defeated Cesar Ramirez via KO in round 10 (12) (2:23) on Aug. 24, 2019, taking his record to 28–4.
Riel Casimero defeated Ricardo Espinoza Franco via KO in round 12 (12) (0:44) on April 20, 2019, taking his record to 27–4.
Riel Casimero defeated Kenya Yamashita via TKO in round 6 (10) (0:47) on Feb. 16, 2019, taking his record to 26–4.
Riel Casimero defeated Jose Pech via TKO in round 2 (6) (1:41) on July 21, 2018, taking his record to 25–4.
Riel Casimero lost to Jonas Sultan via UD in round 12 on Sept. 16, 2017, taking his record to 24–4.
Riel Casimero defeated Jecker Buhawe via UD in round 6 on June 25, 2017, taking his record to 24–3.
Riel Casimero defeated Charlie Edwards via TKO in round 10 (12) (1:57) on Sept. 10, 2016, taking his record to 23–3.
Riel Casimero defeated Amnat Ruenroeng via KO in round 4 (12) (2:10) on May 25, 2016, taking his record to 22–3.
Riel Casimero lost to Amnat Ruenroeng via UD in round 12 on June 27, 2015, taking his record to 21–3.
Riel Casimero defeated Armando Santos via TKO in round 2 (12) on Dec. 13, 2014, taking his record to 21–2.
Riel Casimero defeated Mauricio Fuentes via KO in round 1 (12) (2:59) on May 3, 2014, taking his record to 20–2.
Riel Casimero defeated Felipe Salguero via TKO in round 11 (12) (1:34) on Oct. 26, 2013, taking his record to 19–2.
Riel Casimero defeated Luis Alberto Rios via UD in round 12 on March 16, 2013, taking his record to 18–2.
Riel Casimero defeated Pedro Guevara via SD in round 12 on Aug. 4, 2012, taking his record to 17–2.
Riel Casimero defeated Luis Alberto Lazarte via TKO in round 10 (12) (1:09) on Feb. 10, 2012, taking his record to 16–2.
Riel Casimero defeated Roemart Sentillas via TKO in round 2 (10) on Oct. 15, 2011, taking his record to 15–2.
Riel Casimero lost to Moruti Mthalane via TKO in round 5 (12) (1:50) on March 26, 2011, taking his record to 14–2.
Riel Casimero lost to Ramón García Hirales via SD in round 12 on July 24, 2010, taking his record to 14–1.
Riel Casimero defeated César Canchila via TKO in round 11 (12) (1:40) on Dec. 19, 2009, taking his record to 14–0.
Riel Casimero defeated Ardin Diale via KO in round 8 (12) (1:42) on May 28, 2009, taking his record to 13–0.
Riel Casimero defeated Allan Ranada via UD in round 8 on May 8, 2009, taking his record to 12–0.
Riel Casimero defeated Liempetch Sor Veerapol via TKO in round 5 (12) (1:02) on Oct. 3, 2008, taking his record to 11–0.
Riel Casimero defeated Rodel Quilaton via UD in round 10 on Aug. 23, 2008, taking his record to 10–0.
Riel Casimero defeated Roemart Sentillas via TKO in round 3 (10) on July 17, 2008, taking his record to 9–0.
Riel Casimero defeated Roel Honor via TKO in round 1 (10) on June 12, 2008, taking his record to 8–0.
Riel Casimero defeated Daryl Amoncio via MD in round 8 on April 21, 2008, taking his record to 7–0.
Riel Casimero defeated Jerome Bontog via KO in round 3 (6) on March 29, 2008, taking his record to 6–0.
Riel Casimero defeated Rogen Flores via TD in round 6 (8) on Jan. 12, 2008, taking his record to 5–0.
Riel Casimero defeated Dodong Zalde via KO in round 2 (6) (1:04) on Dec. 16, 2007, taking his record to 4–0.
Riel Casimero defeated Roel Honor via UD in round 6 on Aug. 26, 2007, taking his record to 3–0.
Riel Casimero defeated Andrew Pal via TKO in round 2 (4) on Aug. 16, 2007, taking his record to 2–0.
Riel Casimero defeated Lobert Bayo via UD in round 4 on June 3, 2007, taking his record to 1–0.
Career record from Wikipedia and verified boxing sources; fight footage plays via the official YouTube embed from its original channel.
Analytics
- KO/TKO25 · 69%
- Decision11 · 31%
- DQ/Other0 · 0%
Rates a fighter on the standard of opposition he has actually beaten: a win over someone we also rate counts far more than a win over an unrated opponent, recent bouts count more than old ones, and recent losses or a long layoff pull the score down. Proprietary FighterStatus metric — not an official ranking.
Our own rating of the division — not an official UFC, boxing or MMA ranking.
Featherweight
Featherweight
Featherweight