Super bantamweight · Japan
Junto Nakatani 32-1-0 24 KO · 2015–2026
Junto Nakatani is a super bantamweight boxer from Japan, born Jan 2, 1998. Record 32-1-0 with 24 knockouts over 2015–2026. World titles: IBF bantamweight (2025), WBC bantamweight (2024–2025), WBO super flyweight (2023), WBO flyweight (2020–2022). Junto Nakatani last fought Naoya Inoue on May 2, 2026 and lost by UD over 12 rounds.
Also: Джунто Накатани · Накатані Юнто · 中谷潤人
Born Jan 2, 1998
Country 🇯🇵 Japan
Stance Southpaw
Height 174 cm
Reach 174 cm
Nickname Big Bang
Debut Apr 26, 2015
Career 2015–2026
Rounds boxed 176
KO share 75%
Born in Inabe, Mie, Japan
Titles WBO flyweight · 2020–2022; WBO super flyweight · 2023; IBF, WBC bantamweight · 2024–2025
Boxerbook rating #2 in Super bantamweight · 2275 ± 112Why here › Confirmed bouts 32 of 33 · 30 official
Record and next fight Record
32-1-0, 24 KOs · 2015–2026
Next fight
No next fight confirmed
Last result L
For WBA, WBC, IBF, WBO, and The Ring super bantamweight titles UD 12/12 · Tokyo Dome, Tokyo, 🇯🇵
The record 33 bouts, 2015–2026, newest first. Records under each bout are both boxers going in.
Bouts by source: English Wikipedia · 33, Wikipedia (ja) · 33, Japan Boxing Commission — 試合報告書 · 29, Wikipedia (ru) · 25, IBF/USBA Results · 2, WBA Fights Master Scores · 1, Nevada State Athletic Commission — Results · 1
L
For WBA, WBC, IBF, WBO, and The Ring super bantamweight titles UD 12/12 · Tokyo Dome, Tokyo, 🇯🇵
Nakatani 32-0-0 · Inoue 32-0-0
W
Sebastian Hernandez
UD 12/12 · Mohammed Abdo Arena, Riyadh, 🇸🇦
Nakatani 31-0-0 · Hernandez —
W
Won IBF bantamweight title TKO 6/12 · Ariake Coliseum, Tokyo, 🇯🇵
Nakatani 30-0-0 · Nishida 10-0-0
W
David Cuellar Contreras
Retained WBC bantamweight title KO 3/12 · Ariake Arena, Tokyo, 🇯🇵
Nakatani 29-0-0 · Contreras —
W
For WBC bantamweight title TKO 6/12 · Ariake Arena, Tokyo, 🇯🇵
Nakatani 28-0-0 · Chitpattana 76-1-0
W
Retained WBC bantamweight title KO 1/12 · Ryogoku Kokugikan, Tokyo, 🇯🇵
Nakatani 27-0-0 · Astrolabio 19-4-0
W
Won WBC bantamweight title TKO 6/12 · Ryogoku Kokugikan, Tokyo, 🇯🇵
Nakatani 26-0-0 · Santiago 28-3-5
W
Argi Cortes
Retained WBO junior-bantamweight title UD 12/12 · Ariake Arena, Tokyo, 🇯🇵
Nakatani 25-0-0 · Cortes —
W
For vacant WBO super-flyweight title KO 12/12 · MGM Grand Garden Arena, Las Vegas, 🇺🇸
Nakatani 24-0-0 · Moloney 25-2-0
W
UD 10/10 · Saitama Super Arena, Saitama, 🇯🇵
Nakatani 23-0-0 · Rodriguez, Jr. 36-5-1
W
Retained WBO flyweight title TKO 8/12 · Saitama Super Arena, Saitama, 🇯🇵
Nakatani 22-0-0 · Yamauchi 8-1-0
W
TKO 4/12 · Casino del Sol, Tucson, Arizona, 🇺🇸
Nakatani 21-0-0 · Acosta 23-2-0
W
For vacant WBO flyweight title KO 8/12 · Korakuen Hall, Tokyo, 🇯🇵
Nakatani 20-0-0 · Magramo 24-1-0
W
TKO 6/10 · Korakuen Hall, Bunkyo, 🇯🇵
Nakatani 19-0-0 · Melindo 38-4-0
W
Philip Luis Cuerdo
KO 1/10 · Korakuen Hall, Tokyo, 🇯🇵
Nakatani 18-0-0 · Cuerdo —
W
Won vacant Japanese flyweight title TKO 9/10 · Korakuen Hall, Tokyo, 🇯🇵
Nakatani 17-0-0 · Mochizuki 16-3-0
W
Shun Kosaka
UD 8/8 · Korakuen Hall, Tokyo, 🇯🇵
Nakatani 16-0-0 · Kosaka —
W
Dexter Alimento
KO 3/10 · Korakuen Hall, Tokyo, 🇯🇵
Nakatani 15-0-0 · Alimento —
W
Mario Andrade
TD 8/10 · Yokohama Arena, Yokohama, 🇯🇵
Nakatani 14-0-0 · Andrade —
W
Jeronil Borres
KO 1/8 · Korakuen Hall, Tokyo, 🇯🇵
Nakatani 13-0-0 · Borres —
Show all 33 bouts W
For inaugural Japanese Youth flyweight title TKO 6/8 · Korakuen Hall, Tokyo, 🇯🇵
Nakatani 12-0-0 · Akui 11-0-1
W
Yuma Kudo
Inaugural Japanese youth flyweight title tournament semi-final MD 6/6 · Korakuen Hall, Tokyo, 🇯🇵
Nakatani 11-0-0 · Kudo —
W
Joel Taduran
TKO 4/6 · Messe Wing Mie, Tsu, 🇯🇵
Nakatani 10-0-0 · Taduran —
W
Atiwit Munyapho
TKO 2/6 · Shinjuku Face, Tokyo, 🇯🇵
Nakatani 9-0-0 · Munyapho —
W
UD 4/4 · Korakuen Hall, Tokyo, 🇯🇵
Nakatani 8-0-0 · Yabuki 3-0-0
W
Daisuke Yamada
TKO 1/5 · Korakuen Hall, Tokyo, 🇯🇵
Nakatani 7-0-0 · Yamada —
W
Satoshi Tanaka
TKO 2/4 · Korakuen Hall, Tokyo, 🇯🇵
Nakatani 6-0-0 · Tanaka —
W
Shu Muramatsu
TKO 2/4 · Korakuen Hall, Tokyo, 🇯🇵
Nakatani 5-0-0 · Muramatsu —
W
Anirut Chomyong
TKO 1/4 · Korakuen Hall, Tokyo, 🇯🇵
Nakatani 4-0-0 · Chomyong —
W
Tetsuya Tomioka
TKO 3/4 · Korakuen Hall, Tokyo, 🇯🇵
Nakatani 3-0-0 · Tomioka —
W
Magnum Nishida
UD 4/4 · Shinjuku Face, Tokyo, 🇯🇵
Nakatani 2-0-0 · Nishida —
W
Akira Kokubo
TKO 4/4 · Korakuen Hall, Tokyo, 🇯🇵
Nakatani 1-0-0 · Kokubo —
W
Junichi Itoga
TKO 1/4 · Gifu Chamber of Commerce and Industry, Gifu, 🇯🇵
Nakatani 0-0-0 · Itoga —
Amateur career Amateur record 14–2 (Wikipedia )
Ratings now
World titles
Facts
What is Junto Nakatani's record? Junto Nakatani's professional record is 32-1-0 with 24 knockouts.
When is Junto Nakatani's next fight? No next fight is confirmed as of 17 Oct 2026.
Who did Junto Nakatani fight last? Junto Nakatani last fought Naoya Inoue on May 2, 2026 and lost by UD over 12 rounds.
Which world titles has Junto Nakatani held? Junto Nakatani has held 4 world title reigns: IBF bantamweight (2025), WBC bantamweight (2024–2025), WBO super flyweight (2023), WBO flyweight (2020–2022). Sources Boxerbook ID 19471 · permanent link boxerbook.com/id/19471 . 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.