Kazuto Ioka (32-4-1, 17) was born in Sakai, Japan on March 24, 1989. At the age of 20 years on April 12, 2009, he made his professional boxing debut against Jadsada Polyiam, winning the fight via 3rd-round TKO.
On his 7th career fight at 21 years old, Ioka became a strawweight world champion on February 11, 2011 after defeating Kittipong Jaigrajang via 5th-round TKO to win the WBC title.
He then went on to become world champion at 3 more weight classes, winning the following titles:
Ioka's last fight was a 4th-round KO win against Maikel Ordosgoitti at age 36 on December 31, 2025. He is on a 1-fight winning streak.
Some of Kazuto Ioka's best fights have been against Juan Carlos Reveco, Donnie Nietes, Francisco Rodríguez Jr., Felix Alvarado, Akira Yaegashi, Joshua Franco and McWilliams Arroyo. For details about these fights refer to "Best fights of Kazuto Ioka".
Ioka has 4 losses on his boxing record. For details about these losses refer to "Kazuto Ioka Losses".
| # | Date | Opponent | Weight | Round | Method | Result |
|---|---|---|---|---|---|---|
37 | Dec 31, 2025 36 years, 9 months 32-4-1 (17) | Maikel Ordosgoitti | SFL | 4 | KO | Win |
36  | May 11, 2025 36 years, 1 months 31-4-1 (16) | 33 years, 9 months 17-0 (9) | SFL | 12 | UD | Loss |
35 | Jul 7, 2024 35 years, 3 months 31-3-1 (16) | 32 years, 11 months 16-0 (9) | SFL | 12 | UD | Loss Lost WBA For IBF |
34 | Dec 31, 2023 34 years, 9 months 31-2-1 (16) | Josber Perez | SFL | 7 | KO | Win Defended WBA |
33  | Jun 24, 2023 34 years, 3 months 30-2-1 (15) | 27 years, 7 months 18-1-3 (8) | SFL | 12 | UD | Win Won WBA Vacant |
32 | Dec 31, 2022 33 years, 9 months 29-2-1 (15) | 27 years, 2 months 18-1-2 (8) | SFL | 12 | MD | Draw Defended WBO For WBA |
31  | Jul 13, 2022 33 years, 3 months 29-2 (15) | 40 years, 2 months 43-1-6 (23) | SFL | 12 | UD | Win Defended WBO |
30 | Dec 31, 2021 32 years, 9 months 28-2 (15) | Ryoji Fukunaga | SFL | 12 | UD | Win Defended WBO |
29  | Sep 1, 2021 32 years, 5 months 27-2 (15) | 28 years, 1 month 34-4-1 (24) | SFL | 12 | UD | Win Defended WBO |
28  | Dec 31, 2020 31 years, 9 months 26-2 (15) | 25 years, 6 months 15-0 (9) | SFL | 8 | TKO | Win Defended WBO |
27 | Dec 31, 2019 30 years, 9 months 25-2 (14) | Jeyvier Cintrón | SFL | 12 | UD | Win Defended WBO |
26  | Jun 19, 2019 30 years, 2 months 24-2 (14) | 28 years, 4 months 25-2-1 (21) | SFL | 10 | TKO | Win Won WBO Vacant |
25 | Dec 31, 2018 29 years, 9 months 23-2 (13) | 36 years, 7 months 41-1-5 (23) | SFL | 12 | SD | Loss For WBO Vacant |
24  | Sep 8, 2018 29 years, 5 months 23-1 (13) | 32 years, 9 months 17-3 (14) | SFL | 10 | UD | Win |
23 | Apr 23, 2017 28 years 22-1 (13) | Narast Aienleng | FL | 12 | UD | Win Defended WBA |
22 | Dec 31, 2016 27 years, 9 months 21-1 (13) | Yutthana Kaensa | FL | 7 | TKO | Win Defended WBA |
21 | Jul 20, 2016 27 years, 3 months 20-1 (12) | Keyvin Lara | FL | 11 | KO | Win Defended WBA (Regular) |
20  | Dec 31, 2015 26 years, 9 months 19-1 (11) | 32 years, 4 months 36-2 (19) | FL | 11 | TKO | Win Defended WBA (Regular) |
19 | Sep 27, 2015 26 years, 6 months 18-1 (10) | Roberto Domingo Sosa | FL | 12 | UD | Win Defended WBA (Regular) |
18 | Apr 22, 2015 26 years 17-1 (10) | 31 years, 7 months 35-1 (19) | FL | 12 | MD | Win Won WBA (Regular) |
17 | Dec 31, 2014 25 years, 9 months 16-1 (10) | Jean Piero Pérez | FL | 5 | KO | Win |
16 | Sep 16, 2014 25 years, 5 months 15-1 (9) | Pablo Carrillo | FL | 10 | UD | Win |
15  | May 7, 2014 25 years, 1 months 14-1 (9) | 34 years, 4 months 12-0 (5) | FL | 12 | SD | Loss For IBF |
14  | Dec 31, 2013 24 years, 9 months 14-0 (9) | 24 years, 10 months 18-0 (15) | LFL | 12 | UD | Win Defended WBA (Regular) |
13 | Sep 11, 2013 24 years, 5 months 13-0 (9) | Ekkawit Songnui | LFL | 7 | KO | Win Defended WBA (Regular) |
12 | May 8, 2013 24 years, 1 months 12-0 (8) | Phissanu Chimsunthom | LFL | 9 | KO | Win Defended WBA (Regular) |
11 | Dec 31, 2012 23 years, 9 months 11-0 (7) | José Alfredo Rodríguez | LFL | 6 | TKO | Win Won WBA (Regular) Vacant |
10  | Jun 20, 2012 23 years, 2 months 10-0 (6) | 29 years, 3 months 15-2 (8) | ST | 12 | UD | Win Won WBA Defended WBC |
9 | Dec 31, 2011 22 years, 9 months 9-0 (6) | Veerawut Yuthimitr | ST | 1 | TKO | Win Defended WBC |
8 | Aug 10, 2011 22 years, 4 months 8-0 (5) | Juan Hernandez Navarrete | ST | 12 | UD | Win Defended WBC |
7 | Feb 11, 2011 21 years, 10 months 7-0 (5) | Kittipong Jaigrajang | ST | 5 | TKO | Win Won WBC |
6 | Oct 10, 2010 21 years, 6 months 6-0 (4) | Masayoshi Segawa | LFL | 10 | TKO | Win |
5 | Jul 25, 2010 21 years, 4 months 5-0 (3) | Albert Alcoy | 9 | TKO | Win | |
4 | Apr 18, 2010 21 years 4-0 (2) | Heri Amol | 10 | UD | Win | |
3 | Dec 29, 2009 20 years, 9 months 3-0 (2) | Takashi Kunishige | 10 | UD | Win | |
2 | Jul 26, 2009 20 years, 4 months 2-0 (2) | Hiroshi Matsumoto | 2 | TKO | Win | |
1 | Apr 12, 2009 20 years 1-0 (1) | Jadsada Polyiam | 3 | TKO | Win |
