Bantamweight · Japan
Kazuto Ioka 32-5-1 17 KO · 2009–2026
Updated Oct 14, 2026 · Sources: Wikidata, English Wikipedia, Wikipedia (ja), +5
Kazuto Ioka is a bantamweight boxer from Japan, born Mar 24, 1989. Record 32-5-1 with 17 knockouts over 2009–2026. World titles: WBA super flyweight (2023–2024), WBO super flyweight (2019–2023), WBA flyweight (2016–2017), WBA light flyweight (2014) and 2 more. Kazuto Ioka last fought Takuma Inoue on May 2, 2026 and lost by UD over 12 rounds.
Also: Йока Казуто · Казуто Иока · كازوتو إوكا +8 more คะซุโตะ อิโอะกะ · 井岡一翔 · 이오카 가즈토 · Kazuto loka · Иока, Казуто · คาซูโตะ อิโอกะ · คาสึโตะ อิโอกะ · 이오카 카즈토
Born Mar 24, 1989
Country 🇯🇵 Japan
Stance Orthodox
Height 165 cm
Reach 164 cm
Debut Apr 12, 2009
Career 2009–2026
Rounds boxed 359
KO share 53%
Born in Sakai, Osaka, Japan
Titles WBA, WBC minimumweight · 2011–2012; WBA light flyweight · 2014; WBA flyweight · 2016–2017; WBA, WBO super flyweight · 2019–2024
Boxerbook rating #4 in Bantamweight · 2144 ± 104Why here › Confirmed bouts 38 of 38 · 37 official
Record and next fight Record
32-5-1, 17 KOs · 2009–2026
Next fight
No next fight confirmed
Last result L
For WBC bantamweight title UD 12/12 · Tokyo Dome, Tokyo, 🇯🇵
The record 38 bouts, 2009–2026, newest first. Records under each bout are both boxers going in.
Bouts by source: English Wikipedia · 38, Wikipedia (ja) · 38, Japan Boxing Commission — 試合報告書 · 36, WBA Fights Master Scores · 17, IBF/USBA Results · 2, California State Athletic Commission — Results (archive) · 1, Wikipedia (ru) · 1
L
For WBC bantamweight title UD 12/12 · Tokyo Dome, Tokyo, 🇯🇵
Ioka 32-4-1 · Inoue 21-2-0
W
Maikel Ordosgoitti
WBA ELIMINATOR BANTAMWEIGHT KO 4/10 · Ota Ward General Gymnasium, Tokyo, 🇯🇵
Ioka 31-4-1 · Ordosgoitti —
L
For WBA super-flyweight title UD 12/12 · Ota Ward General Gymnasium, Ota City, 🇯🇵
Ioka 31-3-1 · Martínez 19-0-0
L
Lost WBA super-flyweight title UD 12/12 · Ryogoku Kokugikan, Tokyo, 🇯🇵
Ioka 31-2-1 · Martínez 18-0-0
W
Josber Perez
Retained WBA super-flyweight title KO 7/12 · Ota Ward General Gymnasium, Tokyo, 🇯🇵
Ioka 30-2-1 · Perez —
W
Won vacant WBA super-flyweight title UD 12/12 · Ota Ward General Gymnasium, Tokyo, 🇯🇵
Ioka 29-2-1 · Franco 18-1-3
D
For WBO super-flyweight title MD 12/12 · Ota Ward General Gymnasium, Tokyo, 🇯🇵
Ioka 29-2-0 · Franco 18-1-2
W
Retained WBO super-flyweight title UD 12/12 · Ota Ward General Gymnasium, Ōta, 🇯🇵
Ioka 28-2-0 · Nietes 44-1-6
W
Retained WBO super-flyweight title UD 12/12 · Ota Ward General Gymnasium, Ōta, 🇯🇵
Ioka 27-2-0 · Fukunaga 15-4-0
W
Retained WBO super-flyweight title UD 12/12 · Ota Ward General Gymnasium, Ōta, 🇯🇵
Ioka 26-2-0 · Rodriguez, Jr. 34-4-1
W
Retained WBO super-flyweight title TKO 8/12 · Ota Ward General Gymnasium, Ōta, 🇯🇵
Ioka 25-2-0 · Tanaka 15-0-0
W
Retained WBO super-flyweight title UD 12/12 · Ota Ward General Gymnasium, Ōta, Tokyo, 🇯🇵
Ioka 24-2-0 · Cintrón 11-0-0
W
Won vacant WBO super-flyweight title TKO 10/12 · Makuhari Event Hall, Chiba, 🇯🇵
Ioka 23-2-0 · Palicte 23-2-1
L
For vacant WBO super-flyweight title SD 12/12 · Wynn Palace, Macau
Ioka 23-1-0 · Nietes 42-1-5
W
Won WBC Silver super-flyweight title UD 10/10 · The Forum, Inglewood, 🇺🇸
Ioka 22-1-0 · Arroyo 17-3-0
W
Noknoi CP Freshmart
Retained WBA flyweight title UD 12/12 · Edion Arena, Osaka, 🇯🇵
Ioka 21-1-0 · Freshmart —
W
Retained WBA flyweight title TKO 7/12 · Shimazu Arena Kyoto, Kyoto, 🇯🇵
Ioka 20-1-0 · Kiatniwat 16-0-0
W
Keyvin Lara
Retained WBA flyweight title KO 11/12 · EDION Arena Osaka, Osaka, Osaka, 🇯🇵
Ioka 19-1-0 · Lara —
W
Retained WBA flyweight title TKO 11/12 · EDION Arena Osaka, Osaka, Osaka, 🇯🇵
Ioka 18-1-0 · Reveco 37-2-0
W
Roberto Sosa
Retained WBA flyweight title UD 12/12 · Edion Arena, Osaka, 🇯🇵
Ioka 17-1-0 · Sosa —
Show all 38 bouts W
MD 12/12 · Edion Arena Osaka No. 1, 🇯🇵
Ioka 16-1-0 · Reveco 36-1-0
W
KO 5/10 · Bodymaker Colosseum, 🇯🇵
Ioka 15-1-0 · Pérez 20-7-1
W
Pablo Carrillo
UD 10/10 · Korakuen Hall, Tokyo, 🇯🇵
Ioka 14-1-0 · Carrillo —
L
SD 12/12 · Bodymaker Colosseum, Osaka, 🇯🇵
Ioka 14-0-0 · Ruenroeng 12-0-0
W
Retained WBA light-flyweight title UD 12/12 · Bodymaker Colosseum, Osaka, 🇯🇵
Ioka 13-0-0 · Alvarado 18-0-0
W
Retained WBA light-flyweight title KO 7/12 · Bodymaker Colosseum, Osaka, 🇯🇵
Ioka 12-0-0 · Sithmorseng 41-1-1
W
Retained WBA light-flyweight title KO 9/12 · Bodymaker Colosseum Osaka, Osaka, 🇯🇵
Ioka 11-0-0 · Kokietgym —
W
Won vacant WBA light-flyweight title TKO 6/12 · Bodymaker Colosseum, Osaka, Osaka, 🇯🇵
Ioka 10-0-0 · Rodríguez 28-1-0
W
Retained WBC mini-flyweight title UD 12/12 · Bodymaker Colosseum, Osaka, Osaka, 🇯🇵
Ioka 9-0-0 · Yaegashi 15-2-0
W
Retained WBC mini-flyweight title TKO 1/12 · Edion Arena Osaka No. 1, Osaka, 🇯🇵
Ioka 8-0-0 · Chalermchai —
W
Retained WBC mini-flyweight title UD 12/12 · Korakuen Hall, Tokyo, 🇯🇵
Ioka 7-0-0 · Hernández 18-1-0
W
Won WBC mini-flyweight title TKO 5/12 · Kobe World Memorial Hall, Kobe, 🇯🇵
Ioka 6-0-0 · Sithsamerchai 35-0-1
W
Vacant Japanese light flyweight title TKO 10/10 · Edion Arena Osaka No. 2, Osaka, 🇯🇵
Ioka 5-0-0 · Segawa —
W
Albert Alcoy
TKO 9/10 · Edion Arena Osaka No. 1, Osaka, 🇯🇵
Ioka 4-0-0 · Alcoy —
W
UD 10/10 · Edion Arena Osaka No. 1, Osaka, 🇯🇵
Ioka 3-0-0 · Amol —
W
UD 10/10 · Edion Arena Osaka No. 1, Osaka, 🇯🇵
Ioka 2-0-0 · Kunishige —
W
TKO 2/8 · Edion Arena Osaka No. 1, Osaka, 🇯🇵
Ioka 1-0-0 · Matsumoto —
W
TKO 3/6 · Edion Arena Osaka No. 1, Osaka, 🇯🇵
Ioka 0-0-0 · Polyiam —
Amateur career Amateur record 95–10 (Wikipedia )
Ratings now
World titles
Facts
What is Kazuto Ioka's record? Kazuto Ioka's professional record is 32-5-1 with 17 knockouts.
When is Kazuto Ioka's next fight? No next fight is confirmed as of 18 Oct 2026.
Who did Kazuto Ioka fight last? Kazuto Ioka last fought Takuma Inoue on May 2, 2026 and lost by UD over 12 rounds.
Which world titles has Kazuto Ioka held? Kazuto Ioka has held 6 world title reigns: WBA super flyweight (2023–2024), WBO super flyweight (2019–2023), WBA flyweight (2016–2017), WBA light flyweight (2014) and 2 more. Sources Boxerbook ID 10436 · permanent link boxerbook.com/id/10436 . Wikidata (CC0), English Wikipedia (CC BY-SA), publisher rankings, photo from the Instagram profile. Last fetched: 2026-10-12. Spot a mistake? Every bout page has a link to report it.