Kazuto Ioka 🇯🇵
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 카즈토Born1989-03-24
Height165 cm
Sexmale
Career
32-5-1(KO 17)38 bouts, 2009–2026
L2026-05-02 ›(32-4-1) vs Takuma Inoue 🇯🇵 (21-2-0)
UD 12/12Tokyo Dome, Tokyo, 🇯🇵For WBC bantamweight title✓✓ two sources
L2025-05-11 ›(31-3-1) vs Fernando Martínez 🇦🇷 (17-7-0)
UD 12/12Ota City General Gymnasium, Ōta, 🇯🇵For WBA super-flyweight title✓✓ two sources
L2024-07-07 ›(31-2-1) vs Fernando Martínez 🇦🇷 (16-7-0)
UD 12/12Ryōgoku Kokugikan, Tokyo, 🇯🇵Lost WBA super-flyweight title; For IBF super-flyweight title✓✓ two sources
W2023-12-31 ›(30-2-1) vs Josber Perez
KO 7/12Ota City General Gymnasium, Ōta, 🇯🇵Retained WBA super-flyweight title✓ one source
W2023-06-24 ›(29-2-1) vs Joshua Franco (18-1-3)
UD 12/12Ota City General Gymnasium, Ōta, 🇯🇵Won vacant WBA super-flyweight title✓✓ two sources
D2022-12-31 ›(29-2-0) vs Joshua Franco (18-1-2)
MD 12/12Ota City General Gymnasium, Ōta, 🇯🇵Retained WBO super-flyweight title; For WBA super-flyweight title✓✓ two sources
W2022-07-13 ›(28-2-0) vs Donnie Nietes 🇵🇭 (43-1-6)
UD 12/12Ota City General Gymnasium, Ōta, 🇯🇵Retained WBO super-flyweight title✓✓ two sources
W2021-12-31 ›(27-2-0) vs Ryoji Fukunaga 🇯🇵 (15-4-0)
UD 12/12Ota City General Gymnasium, Ōta, 🇯🇵Retained WBO super-flyweight title✓✓ two sources
W2021-09-01 ›(26-2-0) vs Francisco Rodriguez, Jr. 🇲🇽 (34-4-1)
UD 12/12Ota City General Gymnasium, Ōta, 🇯🇵Retained WBO super-flyweight title✓✓ two sources
W2020-12-31 ›(25-2-0) vs Kosei Tanaka 🇯🇵 (15-0-0)
TKO 8/12Ota City General Gymnasium, Ōta, 🇯🇵Retained WBO super-flyweight title✓✓ two sources
W2019-12-31 ›(24-2-0) vs Jeyvier Cintrón 🇺🇸 (11-0-0)
UD 12/12Ota City General Gymnasium, Ōta, Tokyo, 🇯🇵Retained WBO super-flyweight title✓✓ two sources
W2019-06-19 ›(23-2-0) vs Aston Palicte 🇵🇭 (23-2-1)
TKO 10/12Makuhari Messe, Chiba, 🇯🇵Won vacant WBO super-flyweight title✓✓ two sources
L2018-12-31 ›(23-1-0) vs Donnie Nietes 🇵🇭 (41-1-5)
SD 12/12Wynn Palace, MacauFor vacant WBO super-flyweight title✓✓ two sources
W2018-09-08 ›(22-1-0) vs McWilliams Arroyo 🇺🇸 (17-3-0)
UD 10/10The Forum, Inglewood, California, 🇺🇸Won WBC Silver super-flyweight title✓✓ two sources
W2017-04-23 ›(21-1-0) vs Noknoi CP Freshmart
UD 12/12Edion Arena, Osaka, 🇯🇵Retained WBA flyweight title✓ one source
W2016-12-31 ›(20-1-0) vs Stamp Kiatniwat 🇹🇭 (16-0-0)
TKO 7/12Shimazu Arena, Kyoto, 🇯🇵Retained WBA flyweight title✓✓ two sources
W2016-07-20 ›(19-1-0) vs Keyvin Lara
KO 11/12Edion Arena, Osaka, 🇯🇵Retained WBA (Regular) flyweight title✓ one source
W2015-12-31 ›(18-1-0) vs Juan Carlos Reveco 🇦🇷 (36-2-0)
TKO 11/12Edion Arena, Osaka, 🇯🇵Retained WBA (Regular) flyweight title✓✓ two sources
W2015-09-27 ›(17-1-0) vs Roberto Sosa
UD 12/12Edion Arena, Osaka, 🇯🇵Retained WBA (Regular) flyweight title✓ one source
W2015-04-22 ›(16-1-0) vs Juan Carlos Reveco 🇦🇷 (35-1-0)
MD 12/12Bodymaker Colosseum, Osaka, 🇯🇵Won WBA (Regular) flyweight title✓✓ two sources
W2014-12-31 ›(15-1-0) vs Jean Piero Pérez 🇻🇪 (20-7-1)
KO 5/10Bodymaker Colosseum, Osaka, 🇯🇵✓✓ two sources
L2014-05-07 ›(14-0-0) vs Amnat Ruenroeng 🇹🇭 (12-0-0)
SD 12/12Bodymaker Colosseum, Osaka, 🇯🇵For IBF flyweight title✓✓ two sources
W2013-12-31 ›(13-0-0) vs Felix Alvarado 🇳🇮 (18-1-0)
UD 12/12Bodymaker Colosseum, Osaka, 🇯🇵Retained WBA (Regular) light-flyweight title✓✓ two sources
W2013-09-11 ›(12-0-0) vs Kwanthai Sithmorseng 🇹🇭 (41-1-1)
KO 7/12Bodymaker Colosseum, Osaka, 🇯🇵Retained WBA (Regular) light-flyweight title✓✓ two sources
W2013-05-08 ›(11-0-0) vs Wisanu Kokietgym 🇹🇭
KO 9/12Bodymaker Colosseum, Osaka, 🇯🇵Retained WBA (Regular) light-flyweight title✓ one source
W2012-12-31 ›(10-0-0) vs José Alfredo Rodríguez 🇲🇽 (28-1-0)
TKO 6/12Bodymaker Colosseum, Osaka, 🇯🇵Won vacant WBA (Regular) light-flyweight title✓✓ two sources
W2012-06-20 ›(9-0-0) vs Akira Yaegashi 🇯🇵 (15-2-0)
UD 12/12Bodymaker Colosseum, Osaka, 🇯🇵Retained WBC mini-flyweight title; Won WBA mini-flyweight title✓✓ two sources
W2011-12-31 ›(8-0-0) vs Yodgoen Tor Chalermchai 🇹🇭
TKO 1/12Prefectural Gymnasium, Osaka, 🇯🇵Retained WBC mini-flyweight title✓ one source
W2011-08-10 ›(7-0-0) vs Juan Hernández 🇲🇽 (18-1-0)
UD 12/12Korakuen Hall, Tokyo, 🇯🇵Retained WBC mini-flyweight title✓✓ two sources
W2011-02-11 ›(6-0-0) vs Oleydong Sithsamerchai 🇹🇭 (35-0-1)
TKO 5/12World Memorial Hall, Kobe, 🇯🇵Won WBC mini-flyweight title✓✓ two sources
W2010-10-10 ›(5-0-0) vs Masayoshi Segawa
TKO 10/10Prefectural Gymnasium, Osaka, 🇯🇵Won vacant Japanese light-flyweight title✓ one source
| Date | Res | Opponent | Records | Method | Venue | Title | Sources |
|---|---|---|---|---|---|---|---|
| 2026-05-02 | L | Takuma Inoue 🇯🇵 | 32-4-1 · 21-2-0 | UD 12/12 | Tokyo Dome, Tokyo, 🇯🇵 | For WBC bantamweight title | ✓✓ two sources |
| 2025-12-31 | W | Maikel Ordosgoitti | 31-4-1 | KO 4/10 | Ota City General Gymnasium, Ōta, 🇯🇵 | ✓ one source | |
| 2025-05-11 | L | Fernando Martínez 🇦🇷 | 31-3-1 · 17-7-0 | UD 12/12 | Ota City General Gymnasium, Ōta, 🇯🇵 | For WBA super-flyweight title | ✓✓ two sources |
| 2024-07-07 | L | Fernando Martínez 🇦🇷 | 31-2-1 · 16-7-0 | UD 12/12 | Ryōgoku Kokugikan, Tokyo, 🇯🇵 | Lost WBA super-flyweight title; For IBF super-flyweight title | ✓✓ two sources |
| 2023-12-31 | W | Josber Perez | 30-2-1 | KO 7/12 | Ota City General Gymnasium, Ōta, 🇯🇵 | Retained WBA super-flyweight title | ✓ one source |
| 2023-06-24 | W | Joshua Franco | 29-2-1 · 18-1-3 | UD 12/12 | Ota City General Gymnasium, Ōta, 🇯🇵 | Won vacant WBA super-flyweight title | ✓✓ two sources |
| 2022-12-31 | D | Joshua Franco | 29-2-0 · 18-1-2 | MD 12/12 | Ota City General Gymnasium, Ōta, 🇯🇵 | Retained WBO super-flyweight title; For WBA super-flyweight title | ✓✓ two sources |
| 2022-07-13 | W | Donnie Nietes 🇵🇭 | 28-2-0 · 43-1-6 | UD 12/12 | Ota City General Gymnasium, Ōta, 🇯🇵 | Retained WBO super-flyweight title | ✓✓ two sources |
| 2021-12-31 | W | Ryoji Fukunaga 🇯🇵 | 27-2-0 · 15-4-0 | UD 12/12 | Ota City General Gymnasium, Ōta, 🇯🇵 | Retained WBO super-flyweight title | ✓✓ two sources |
| 2021-09-01 | W | Francisco Rodriguez, Jr. 🇲🇽 | 26-2-0 · 34-4-1 | UD 12/12 | Ota City General Gymnasium, Ōta, 🇯🇵 | Retained WBO super-flyweight title | ✓✓ two sources |
| 2020-12-31 | W | Kosei Tanaka 🇯🇵 | 25-2-0 · 15-0-0 | TKO 8/12 | Ota City General Gymnasium, Ōta, 🇯🇵 | Retained WBO super-flyweight title | ✓✓ two sources |
| 2019-12-31 | W | Jeyvier Cintrón 🇺🇸 | 24-2-0 · 11-0-0 | UD 12/12 | Ota City General Gymnasium, Ōta, Tokyo, 🇯🇵 | Retained WBO super-flyweight title | ✓✓ two sources |
| 2019-06-19 | W | Aston Palicte 🇵🇭 | 23-2-0 · 23-2-1 | TKO 10/12 | Makuhari Messe, Chiba, 🇯🇵 | Won vacant WBO super-flyweight title | ✓✓ two sources |
| 2018-12-31 | L | Donnie Nietes 🇵🇭 | 23-1-0 · 41-1-5 | SD 12/12 | Wynn Palace, Macau | For vacant WBO super-flyweight title | ✓✓ two sources |
| 2018-09-08 | W | McWilliams Arroyo 🇺🇸 | 22-1-0 · 17-3-0 | UD 10/10 | The Forum, Inglewood, California, 🇺🇸 | Won WBC Silver super-flyweight title | ✓✓ two sources |
| 2017-04-23 | W | Noknoi CP Freshmart | 21-1-0 | UD 12/12 | Edion Arena, Osaka, 🇯🇵 | Retained WBA flyweight title | ✓ one source |
| 2016-12-31 | W | Stamp Kiatniwat 🇹🇭 | 20-1-0 · 16-0-0 | TKO 7/12 | Shimazu Arena, Kyoto, 🇯🇵 | Retained WBA flyweight title | ✓✓ two sources |
| 2016-07-20 | W | Keyvin Lara | 19-1-0 | KO 11/12 | Edion Arena, Osaka, 🇯🇵 | Retained WBA (Regular) flyweight title | ✓ one source |
| 2015-12-31 | W | Juan Carlos Reveco 🇦🇷 | 18-1-0 · 36-2-0 | TKO 11/12 | Edion Arena, Osaka, 🇯🇵 | Retained WBA (Regular) flyweight title | ✓✓ two sources |
| 2015-09-27 | W | Roberto Sosa | 17-1-0 | UD 12/12 | Edion Arena, Osaka, 🇯🇵 | Retained WBA (Regular) flyweight title | ✓ one source |
| 2015-04-22 | W | Juan Carlos Reveco 🇦🇷 | 16-1-0 · 35-1-0 | MD 12/12 | Bodymaker Colosseum, Osaka, 🇯🇵 | Won WBA (Regular) flyweight title | ✓✓ two sources |
| 2014-12-31 | W | Jean Piero Pérez 🇻🇪 | 15-1-0 · 20-7-1 | KO 5/10 | Bodymaker Colosseum, Osaka, 🇯🇵 | ✓✓ two sources | |
| 2014-09-16 | W | Pablo Carrillo | 14-1-0 | UD 10/10 | Korakuen Hall, Tokyo, 🇯🇵 | ✓ one source | |
| 2014-05-07 | L | Amnat Ruenroeng 🇹🇭 | 14-0-0 · 12-0-0 | SD 12/12 | Bodymaker Colosseum, Osaka, 🇯🇵 | For IBF flyweight title | ✓✓ two sources |
| 2013-12-31 | W | Felix Alvarado 🇳🇮 | 13-0-0 · 18-1-0 | UD 12/12 | Bodymaker Colosseum, Osaka, 🇯🇵 | Retained WBA (Regular) light-flyweight title | ✓✓ two sources |
| 2013-09-11 | W | Kwanthai Sithmorseng 🇹🇭 | 12-0-0 · 41-1-1 | KO 7/12 | Bodymaker Colosseum, Osaka, 🇯🇵 | Retained WBA (Regular) light-flyweight title | ✓✓ two sources |
| 2013-05-08 | W | Wisanu Kokietgym 🇹🇭 | 11-0-0 | KO 9/12 | Bodymaker Colosseum, Osaka, 🇯🇵 | Retained WBA (Regular) light-flyweight title | ✓ one source |
| 2012-12-31 | W | José Alfredo Rodríguez 🇲🇽 | 10-0-0 · 28-1-0 | TKO 6/12 | Bodymaker Colosseum, Osaka, 🇯🇵 | Won vacant WBA (Regular) light-flyweight title | ✓✓ two sources |
| 2012-06-20 | W | Akira Yaegashi 🇯🇵 | 9-0-0 · 15-2-0 | UD 12/12 | Bodymaker Colosseum, Osaka, 🇯🇵 | Retained WBC mini-flyweight title; Won WBA mini-flyweight title | ✓✓ two sources |
| 2011-12-31 | W | Yodgoen Tor Chalermchai 🇹🇭 | 8-0-0 | TKO 1/12 | Prefectural Gymnasium, Osaka, 🇯🇵 | Retained WBC mini-flyweight title | ✓ one source |
| 2011-08-10 | W | Juan Hernández 🇲🇽 | 7-0-0 · 18-1-0 | UD 12/12 | Korakuen Hall, Tokyo, 🇯🇵 | Retained WBC mini-flyweight title | ✓✓ two sources |
| 2011-02-11 | W | Oleydong Sithsamerchai 🇹🇭 | 6-0-0 · 35-0-1 | TKO 5/12 | World Memorial Hall, Kobe, 🇯🇵 | Won WBC mini-flyweight title | ✓✓ two sources |
| 2010-10-10 | W | Masayoshi Segawa | 5-0-0 | TKO 10/10 | Prefectural Gymnasium, Osaka, 🇯🇵 | Won vacant Japanese light-flyweight title | ✓ one source |
| 2010-07-25 | W | Albert Alcoy | 4-0-0 | TKO 9/10 | Prefectural Gymnasium, Osaka, 🇯🇵 | ✓ one source | |
| 2010-04-18 | W | Heri Amol 🇮🇩 | 3-0-0 | UD 10/10 | Prefectural Gymnasium, Osaka, 🇯🇵 | ✓ one source | |
| 2009-12-29 | W | Takashi Kunishige 🇯🇵 | 2-0-0 | UD 10/10 | Prefectural Gymnasium, Osaka, 🇯🇵 | ✓ one source | |
| 2009-07-26 | W | Hiroshi Matsumoto 🇯🇵 | 1-0-0 | TKO 2/8 | Prefectural Gymnasium, Osaka, 🇯🇵 | ✓ one source | |
| 2009-04-12 | W | Jadsada Polyiam 🇹🇭 | 0-0-0 | TKO 3/6 | Prefectural Gymnasium, Osaka, 🇯🇵 | ✓ one source |
Ratings now
| Publisher | Division | Rank | As of |
|---|---|---|---|
| IBF | Bantamweight | #7 | 2026-10-06 |
| WBA | Bantamweight | #10 | 2026-09-30 |
| WBC | Bantamweight | #8 | 2026-10-01 |
World titles
| Belt | Division | From | To |
|---|---|---|---|
| WBA | Super flyweight | 2023-06-24 | 2024-07-07 |
| WBO | Super flyweight | 2019-06-19 | 2023-02-15 |
| WBA | Flyweight | 2016-09-14 | 2017-11-09 |
| WBA | Light flyweight | 2014-01-14 | 2014-02-28 |
| WBA | Minimumweight | 2012-06-24 | 2012-10-02 |
| WBC | Minimumweight | 2011-02-11 | 2012-07-01 |
Elsewhere
Sources: Wikidata (CC0), English Wikipedia (CC BY-SA), publisher rankings. Last fetched: 2026-10-11. Photo: Wikimedia Commons.