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Kosei Tanaka

{{short description|Japanese boxer}}

{{use dmy dates|date=July 2020}}

{{Infobox boxer

|name=Kosei Tanaka
{{small|田中恒成}}

|image=

|image_size=

|caption=

|realname=

|birth_date={{Birth date and age|1995|06|15|df=y}}

|birth_place=Tajimi, Japan

|nationality=

|nickname={{plainlist|{{Nihongo||中京の怪物|Chukyo no Kaibutsu|extra2="Monster of Chukyo"}}

  • Dream Boy}}

|weight={{plainlist|

|height=5 ft 4+1/2 in

|reach=64+1/2 in

|style=Orthodox

|total=22

|wins=20

|KO=11

|losses=2

|draws=

|no contests=

|medaltemplates=

{{MedalSport|Men's Boxing}}

{{MedalCountry|{{JPN}}}}

{{Medal|Competition|Asian Youth Championships}}

{{Medal|Silver|2013 Subic Bay|Junior-flyweight}}

}}

{{nihongo|Kosei Tanaka|田中 恒成|Tanaka Kōsei|born 15 June 1995}} is a Japanese professional boxer. He is a four-weight world champion, having held the World Boxing Organization (WBO) mini-flyweight title from 2015 to 2016; the WBO junior-flyweight title from 2016 to 2017; the WBO flyweight title from 2018 to 2020; and the WBO super-flyweight title from February 2024 to October 2024. Upon winning his first world title in only his fifth bout, he became the fastest Japanese fighter ever to become a world champion. Along with Vasyl Lomachenko, he is also the fastest ever fighter to win titles in three weight-classes, having accomplished the feat in only 12 bouts. He also surpassed Oscar De La Hoya to become the fastest four division champion, setting the bar at 21 fights.{{Cite web |title=田中恒成が史上最速の世界４階級制覇「これが欲しかった！」 井岡一翔、井上尚弥に次ぐ日本人史上３人目の快挙…ＷＢＯ世界Ｓ・フライ級王座決定戦 |url=https://hochi.news/articles/20240224-OHT1T51207.html |website=hochi.news |date=2024-02-24 |access-date=2024-02-24 |language=ja}}

Amateur career

As a child, Tanaka suffered from Legg–Calvé–Perthe disease. Despite this, he took up boxing and won four national high school tournaments competing as an amateur in the junior-flyweight division. At the continental and international level he was a quarter-finalist at the 2012 Youth World Championships and a silver medalist at the 2013 ASBC Asian Confederation Youth Boxing Championships. At Chukyo Highschool he trained under former OPBF super flyweight champion Hideyasu Ishihara. He finished his amateur career with a record of 46-5 (13 KO/RSC). He was not stopped during his amateur career.{{Cite web|url=https://boxinglib.com/boxingmeikan/archive/135/0|title=田中 恒成(Kosei Tanaka)|date=3 November 2015}}

Professional career

=Mini-flyweight=

Tanaka turned pro at the age of 18 in 2013. In November 2014, Tanaka defeated previously unbeaten Ryuji Hara via tenth-round technical knockout (TKO) to win the OPBF mini-flyweight title. In his next fight, Tanaka decisioned Julian Yedras (117–111, 117–111, 115–113) to win the WBO mini-flyweight title.{{Cite web|url=http://www.asianboxing.info/kosei-tanaka.html|title=Kosei Tanaka}} Tanaka holds the Japanese record for winning a world title in the fewest fights (five), surpassing the previous record held by Naoya Inoue of six fights.{{cite news|url=http://thaboxingvoice.com/19-year-old-unbeaten-japanese-kosei-tanaka-wins-wbo-title|title=19-year-old unbeaten Japanese, Kosei Tanaka Wins WBO Title|first=Victor|last=Salazar|date=1 June 2015|work=Tha Boxing Voice|accessdate=10 October 2015}} Tanaka's only title defense at mini-flyweight came against Vic Saludar, whom he knocked out in round six after a left hook to the body. Saludar knocked down Tanaka in round six, and was ahead on all scorecards prior to the stoppage.{{Cite web|url=http://www.boxingscene.com/kosei-tanaka-climbs-off-canvas-stop-vic-saludar-six--99909|title = Kosei Tanaka Climbs off Canvas to Stop Vic Saludar in Six| date=31 December 2015 }}

=Junior-flyweight=

In December 2016, Tanaka challenged former mini-flyweight title holder Moisés Fuentes for the WBO junior-flyweight title. Tanaka dominated Fuentes, dropping him in round five before referee Raul Caiz Jr stopped the fight, giving Tanaka a TKO victory. With the win, Tanaka became a two-weight world champion in just eight fights.{{Cite web|url=http://www.boxingscene.com/tanaka-blasts-fuentes-becomes-two-division-champ-8-fights-results--112239|title = Tanaka Blasts Fuentes, Becomes Two Division Champ in 8 Fights| date=31 December 2016 }} Tanaka's first defense came against prospect Ángel Acosta. The former won a wide unanimous decision (UD) (117–110, 117–110, 116–111) and dropped Acosta once. Acosta had won all 16 of his previous fights by knockout.{{Cite web|url=http://www.boxingscene.com/kosei-tanaka-drops-decisions-angel-acosta-retain-results--116767|title = Kosei Tanaka Drops, Decisions Angel Acosta to Retain Title| date=20 May 2017 }}

Tanaka's second defense took place in September 2017 against little-known fighter Palangpol CP Freshmart. Tanaka was a huge favorite going into the fight, but Palangpol would prove to be Tanaka's toughest challenger so far, dropping the defending champion once in the first round and trading back-and-forth combinations for the rest of the bout. After a thrilling fight, Tanaka would finally gain the upper hand in round nine, as he knocked down Palangpol and continued to land big combinations as the challenger struggled to connect. Eventually, the referee stepped in and stopped the fight at 1:52 in round nine.{{Cite web|url=https://www.badlefthook.com/2017/9/13/16303222/ryosuke-iwasa-stops-yukinori-oguni-kosei-tanaka-retains-despite-knockdown|title=Iwasa stops Oguni, Tanaka retains despite knockdown|date=13 September 2017}}{{Cite web|url=https://www.ringtv.com/516784-tanaka-climbs-off-deck-stop-chayanram-iwasa-wins-junior-feather-belt/|title=Tanaka climbs off deck to stop Chayanram, Iwasa wins junior feather belt|date=13 September 2017}}{{Cite web|url=http://www.asianboxing.info/world-title-results/kosei-tanaka-dropped-cut-and-damaged-but-guts-out-thrilling-win|title=Kosei Tanaka dropped, cut and damaged, but guts out thrilling win!}}

Tanaka had previously sought a unification bout against WBA titleholder Ryoichi Taguchi in December,{{Cite web|url=http://www.asianboxing.info/world-title-results/taguchi-dominates-barrera-moves-towards-unification-with-kosei-tanaka|title=Taguchi dominates Barrera, moves towards unification with Kosei Tanaka!}} but injuries during the fight against Palangpol would prevent him from fighting on that date.{{Cite web|url=http://www.asianboxing.info/asian-news/kosei-tanaka-suffers-suspected-orbital-fracture-no-brain-injury-suspected|title = Kosei Tanaka suffers suspected Orbital fracture, no brain injury suspected}}

=Flyweight=

In December 2017, Tanaka vacated his junior-flyweight title to move to the flyweight division.{{Cite web|url=https://www.japantimes.co.jp/sports/2017/12/01/more-sports/boxing-2/wbo-light-flyweight-champ-kosei-tanaka-relinquishes-title-eyes-flyweight-crown-source/|title = WBO light flyweight champ Kosei Tanaka relinquishes title, eyes flyweight crown: Source|date = December 2017}} In September 2018, Tanaka defeated Sho Kimura to capture the WBO flyweight title, equalling Vasyl Lomachenko's record of becoming a three-weight world champion in just 12 fights.{{fact|date=March 2023}}

In March 2019, Tanaka fought former WBA, IBF, lineal and The Ring junior flyweight champion and domestic rival Ryoichi Taguchi for the first defense of his WBO flyweight title in a one sided bout described as "action packed" by spectators. After the fight, Tanaka expressed regret that he did not deliver a knockout.{{Cite web|url=https://www.badlefthook.com/2019/3/16/18268356/tanaka-vs-taguchi-results-kosei-tanaka-retains-flyweight-title-in-action-packed-fight|title=Kosei Tanaka retains flyweight title with action-packed win over Ryoichi Taguchi|date=16 March 2019}}

In August 2019, Tanaka fought Jonathan González after losing on all three judge's scorecards leading up to the seventh round, Tanaka delivered a brutal knock out to make a second successful defense of his WBO flyweight title.{{Cite web|url=https://boxrec.com/en/proboxer/666339|title = BoxRec: Kosei Tanaka}}

On New Year's Eve in 2019, Tanaka fought Wulan Tuolehazi, Tanaka delivered a brutal third-round knockout after a one sided fight to defend his WBO flyweight title for the third time. Shortly after the bout, he vacated his WBO flyweight title, announcing that he intended to fight Kazuto Ioka for his WBO super flyweight title.{{Cite web|url=https://boxrec.com/en/proboxer/666339|title = BoxRec: Kosei Tanaka}}

=Super-flyweight=

Tanaka faced WBO super flyweight champion Kazuto Ioka on New Year's Eve 2020 in an attempt to win a major title in four divisions in the fewest fights. He would have become the second Japanese champion to win a major title in four divisions if he was victorious, the first being his opponent, Ioka.{{Cite web|title=BoxRec: Kosei Tanaka|url=https://boxrec.com/en/proboxer/666339|access-date=2021-08-04|website=boxrec.com}} After a competitive first four rounds in which Tanaka was the aggressor and Ioka found success with counter punches, Ioka dropped his opponent in the fifth round with a counter left hook. With about a minute left in the sixth round, he again knocked Tanaka down. In the eighth round, Ioka caught his opponent with another hard counter left hook, and referee Michiaki Someya caught Tanaka before he could fall and waved off the fight, with Ioka inflicting Tanaka with his first professional loss and retaining his WBO title via eighth-round technical knockout.{{Cite web|last=Christ|first=Scott|date=2020-12-31|title=Ioka vs Tanaka results: Kazuto Ioka stops Kosei Tanaka in eighth round, retains WBO title|url=https://www.badlefthook.com/2020/12/31/22207717/ioka-vs-tanaka-results-kazuto-stops-kosei-eighth-round-retains-wbo-title-boxing-news-2020|access-date=2021-08-04|website=Bad Left Hook|language=en}}

Tanaka was booked to face the one-time WBA super-flyweight title challenger Sho Ishida on 11 December 2021, at the International Conference Hall in Nagoya, Japan.{{cite web |last1=Stumberg |first1=Patrick L. |title=Kosei Tanaka to return December 11th against Sho Ishida |url=https://www.badlefthook.com/2021/9/27/22696889/kosei-tanaka-return-december-11-sho-ishida-boxing-news-2021 |website=badlefthook.com |date=27 September 2021 |access-date=24 November 2021}} He won the fight by split decision, with two judges awarding him a 96-94 and 96-95 scorecard respectively, while the third judge scored the fight 96-94 for Ishida.{{cite web |title=田中恒成 １年ぶりの再起戦で判定勝ち「リングに戻ってきて楽しかった」 |url=https://www.nikkansports.com/battle/news/202112110000634.html |website=nikkansports.com |access-date=12 December 2021}}

Tanaka faced the reigning OPBF and WBO Asia Pacific super flyweight champion Masayoshi Hashizume, for the latter title, at the Korakuen Hall in Tokyo, Japan on 29 June 2022.{{cite web |last1=Christ |first1=Scott |title=Kosei Tanaka to face Masayoshi Hashizume in June 29 fight at Korakuen Hall |url=https://www.badlefthook.com/2022/4/11/23020001/kosei-tanaka-next-fight-masayoshi-hashizume-june-29-korakuen-hall-boxing-news-2022 |website=badlefthook.com |access-date=13 April 2022 |date=11 April 2022}} The fight headlined the "89th Phoenix Battle" and was broadcast by Hikari TV.{{cite web |title=告知 大橋ジム監修ホープ発掘企画「ボクサーズロード」 6.29決勝 120万円かけひかりTVで放送 |url=https://boxingnews.jp/news/91562/ |website=boxingnews.jp |access-date=22 June 2022}} Tanaka won the fight by a fifth-round technical knockout.{{cite web |title=田中恒成が5回TKO勝ちでWBOアジア・パシフィック王座獲得 4階級制覇再挑戦へ前進 |url=https://www.sponichi.co.jp/battle/news/2022/06/29/kiji/20220629s00021000527000c.html |website=sponichi.co.jp |access-date=29 June 2022}} Tanaka vacated the WBO Asia Pacific title on 23 August 2022.{{cite web |title=元世界3階級王者の田中恒成「目指すのは世界だから」WBO・AP王座を返上【ボクシング】 |url=https://www.chunichi.co.jp/article/531640 |website=chunichi.co.jp |access-date=23 August 2022}}

Tanaka then faced Yanga Sigqibo on 11 December 2022, at the Takeda Teva Ocean Arena in Nagoya, Japan.{{cite web |last1=Zifo |first1=Mesuli |title=Sigqibo signs on for big bout in Japan |url=https://www.dispatchlive.co.za/sport/boxing-mecca/2022-10-14-sigqibo-signs-on-for-big-bout-in-japan/ |website=dispatchlive.co.za |access-date=16 October 2022 |date=14 October 2022}} He won the bout by unanimous decision.{{cite web |last1=Zifo |first1=Mesuli |title=Rave reviews for Sigqibo despite Japan loss |url=https://www.dispatchlive.co.za/sport/2022-12-12-rave-reviews-for-sigqibo-despite-japan-loss/ |website=dispatchlive.co.za |access-date=24 August 2024 |date=12 December 2022}}

=WBO Super Flyweight Champion=

Tanaka was originally scheduled to make the first defense of his WBO super flyweight title against Jonathan Rodriguez at Ryōgoku Kokugikan in Tokyo, Japan on July 20, 2024.{{cite news |last1=Iskenderov |first1=Parviz |title=Junto Nakatani faces Vincent Astrolabio in Tokyo in July |url=https://www.fightmag.com/junto-nakatani-faces-vincent-astrolabio-in-tokyo-in-july/ |work=FIGHTMAG |date=31 May 2024}} However, this fight was called off the day before it was due after Rodriguez missed weight by nearly seven pounds.{{cite news |last1=Donovan |first1=Jake |title=Kosei Tanaka WBO Title Defense Canceled After Jonathan Rodriguez Blows Weight |url=https://www.ringtv.com/709280-kosei-tanaka-wbo-title-defense-canceled-after-jonathan-rodriguez-blows-weight |work=RingTV |date=19 July 2024}}

Tanaka made his first defense against South African Phumelele Cafu on October 14, 2024. The fight was held at Ariake Arena in Tokyo.{{cite news |author=Staff |title=Phumelela Cafu hoping his dream comes true against Kosei Tanaka |url=https://www.boxingscene.com/phumelela-cafu-hoping-his-dream-comes-true-against-kosei-tanaka--185529 |work=BoxingScene |date=22 August 2024}} He lost the bout by split decision.{{cite news |author=Staff |title=田中恒成、5回にダウン奪われ、僅差判定で王座陥落　ボクシングWBOスーパーフライ級 |url=https://www.sankei.com/article/20241014-Q66CAB7T75N7PH2MLID7OPI5XM/ |work=sankei.com |date=October 14, 2024}}

Personal life

Tanaka balanced professional boxing with school and in 2019 graduated with a degree in economics from Chukyo University.{{cite tweet|number=1107904058122067968|user=KOsei530|title=中京大学経済学部を卒業しました‼︎お世話になった皆さんに感謝します。同時に理事長特別賞も頂きました。中京大学での学びに自信を持ち高い志を持ってこの先を歩んでいきます。写真提供:モバイル植田さん✌️#中京大学#卒業 |date=19 March 2019}} He is the cousin of Japanese figure skater Yuhana Yokoi and younger brother of amateur fighter Ryomei Tanaka. He said that he admires Naoya Inoue in an interview with The Japan Times.Archived at [https://ghostarchive.org/varchive/youtube/20211210/JGZcM-CINaY Ghostarchive]{{cbignore}} and the [https://web.archive.org/web/20190918235726/https://www.youtube.com/watch?v=JGZcM-CINaY&gl=US&hl=en Wayback Machine]{{cbignore}}: {{cite AV media| url = https://www.youtube.com/watch?v=JGZcM-CINaY| title = Interview with Kosei Tanaka, WBO flyweight champion | website=YouTube}}{{cbignore}}

Professional boxing record

{{BoxingRecordSummary

|draws=

|nc=

|ko-wins=11

|ko-losses=1

|dec-wins=9

|dec-losses=1

}}

class=wikitable style=text-align:center
{{abbr|No.|Number}}

!Result

!Record

!Opponent

!Type

!Round, time

!Date

!Location

!Notes

22

|{{no2}}Loss

|20–2

|align=left|Phumelele Cafu

|SD

|12

|14 Oct 2024

|align=left|{{small|Ariake Arena, Tokyo, Japan}}

|align=left|{{small|Lost WBO super flyweight title}}

21

|{{yes2}}Win

|20–1

|align=left|Christian Bacasegua

|UD

|12

|24 Feb 2024

|align=left|{{small|Ryōgoku Kokugikan, Tokyo, Japan}}

|align=left|{{small|Won vacant WBO super flyweight title}}

20

|{{yes2}}Win

|19–1

|align=left|Pablo Carrillo

|TKO

|10 (10), {{small|2:43}}

|21 May 2023

|align=left|{{small|Paloma Mizuho Arena, Nagoya, Japan}}

|align=left|

19

|{{yes2}}Win

|18–1

|align=left|Yanga Sigqibo

|UD

|10

|11 Dec 2022

|align=left|{{small|Takeda Teva Ocean Arena, Nagoya, Japan}}

|align=left|

18

|{{yes2}}Win

|17–1

|align=left|Masayoshi Hashizume

|TKO

|5 (12), {{small|2:52}}

|29 Jun 2022

|align=left|{{small|Korakuen Hall, Tokyo, Japan}}

|align=left|{{small|Won WBO Asia Pacific super-flyweight title}}

17

|{{yes2}}Win

|16–1

|align=left|Sho Ishida

|{{abbr|SD|Split decision}}

|10

|11 Dec 2021

|align=left|{{small|International Conference Hall, Nagoya, Japan}}

|align=left|

16

|{{no2}}Loss

|15–1

|align=left|Kazuto Ioka

|TKO

|8 (12), {{small|1:35}}

|31 Dec 2020

|align=left|{{small|Ota City General Gymnasium, Tokyo, Japan}}

|align=left|{{small|For WBO super-flyweight title}}

15

|{{yes2}}Win

|15–0

|align=left|Wulan Tuolehazi

|KO

|3 (12), {{small|2:29}}

|31 Dec 2019

|align=left|{{small|Ota City General Gymnasium, Tokyo, Japan}}

|align=left|{{small|Retained WBO flyweight title}}

14

|{{yes2}}Win

|14–0

|align=left|Jonathan González

|TKO

|7 (12), {{small|2:49}}

|24 Aug 2019

|align=left|{{small|Takeda Teva Ocean Arena, Nagoya, Japan}}

|align=left|{{small|Retained WBO flyweight title}}

13

|{{yes2}}Win

|13–0

|align=left|Ryoichi Taguchi

|{{abbr|UD|Unanimous decision}}

|12

|16 Mar 2019

|align=left|{{small|Memorial Center, Gifu, Japan}}

|align=left|{{small|Retained WBO flyweight title}}

12

|{{yes2}}Win

|12–0

|align=left|Sho Kimura

|{{abbr|MD|Majority decision}}

|12

|24 Sep 2018

|align=left|{{small|Takeda Teva Ocean Arena, Nagoya, Japan}}

|align=left|{{small|Won WBO flyweight title}}

12

|{{yes2}}Win

|11–0

|align=left|Ronnie Baldonado

|TKO

|9 (10), {{small|2:26}}

|31 Mar 2018

|align=left|{{small|International Conference Hall, Nagoya, Japan}}

|align=left|

10

|{{yes2}}Win

|10–0

|align=left|Palangpol CP Freshmart

|TKO

|9 (12), {{small|1:29}}

|13 Sep 2017

|align=left|{{small|Edion Arena, Osaka, Japan}}

|align=left|{{small|Retained WBO junior-flyweight title}}

9

|{{yes2}}Win

|9–0

|align=left|Ángel Acosta

|UD

|12

|20 May 2017

|align=left|{{small|Takeda Teva Ocean Arena, Nagoya, Japan}}

|align=left|{{small|Retained WBO junior-flyweight title}}

8

|{{yes2}}Win

|8–0

|align=left|Moisés Fuentes

|TKO

|5 (12), {{small|1:52}}

|31 Dec 2016

|align=left|{{small|Memorial Center, Gifu, Japan}}

|align=left|{{small|Won vacant WBO junior-flyweight title}}

7

|{{yes2}}Win

|7–0

|align=left|Rene Patilano

|KO

|6 (10), {{small|2:23}}

|28 May 2016

|align=left|{{small|International Conference Hall, Nagoya, Japan}}

|align=left|

6

|{{yes2}}Win

|6–0

|align=left|Vic Saludar

|KO

|6 (12), {{small|2:15}}

|31 Dec 2015

|align=left|{{small|Aichi Prefectural Gymnasium, Nagoya, Japan}}

|align=left|{{small|Retained WBO mini-flyweight title}}

5

|{{yes2}}Win

|5–0

|align=left|Julian Yedras

|UD

|12

|30 May 2015

|align=left|{{small|Park Arena Komaki, Komaki, Japan}}

|align=left|{{small|Won vacant WBO mini-flyweight title}}

4

|{{yes2}}Win

|4–0

|align=left|Ryuji Hara

|{{abbr|TKO|Technical knockout}}

|10 (12), {{small|0:50}}

|30 Oct 2014

|align=left|{{small|Korakuen Hall, Tokyo, Japan}}

|align=left|{{small|Won OPBF mini-flyweight title}}

3

|{{yes2}}Win

|3–0

|align=left|Crison Omayao

|{{abbr|KO|Knockout}}

|1 (10), {{small|1:55}}

|20 Jul 2014

|align=left|{{small|International Conference Hall, Nagoya, Japan}}

|align=left|

2

|{{yes2}}Win

|2–0

|align=left|Ronelle Ferreras

|UD

|8

|16 Mar 2014

|align=left|{{small|International Conference Hall, Nagoya, Japan}}

|align=left|

1

|{{yes2}}Win

|1–0

|align=left|Oscar Raknafa

|{{abbr|UD|Unanimous decision}}

|6

|10 Nov 2013

|align=left|{{small|International Conference Hall, Nagoya, Japan}}

|align=left|

Titles in boxing

=Major world titles=

=Regional/International titles=

=Honorary titles=

See also

References

{{Reflist}}

External links

  • {{Boxrec|id=666339}}
  • [https://box.live/boxers/kosei-tanaka/ Kosei Tanaka - Profile, News Archive & Current Rankings] at [https://Box.Live Box.Live]

{{s-start-collapsible|header={{s-sports}}}}

{{s-text|style=background:#C1D8FF; font-weight: bold;|text=Regional boxing titles}}

{{s-bef|before=Ryuji Hara}}

{{s-ttl|title=OPBF mini-flyweight champion

|years=30 October 2014 – 30 May 2015
Won WBO world title}}

{{s-vac|next=Xiong Chaozhong}}

{{s-bef|before=Masayoshi Hashizume}}

{{s-ttl|title=WBO Asia Pacific
super-flyweight champion

|years=29 June 2022 – 2022
Vacated}}

{{s-vac|next=Tsubasa Murachi}}

{{s-text|style=background:#C1D8FF; font-weight: bold;|text=World boxing titles}}

|-

{{s-vac|last=Katsunari Takayama}}

{{s-ttl|title=WBO mini-flyweight champion

|years=30 May 2015 – 7 April 2016
Vacated}}

{{s-vac|next=Katsunari Takayama}}

|-

{{s-vac|last=Donnie Nietes}}

{{s-ttl|title=WBO light-flyweight champion

|years=31 December 2016 – 30 November 2017
Vacated}}

{{s-vac|next=Ángel Acosta}}

{{s-bef|before=Sho Kimura}}

{{s-ttl|title=WBO flyweight champion

|years=24 September 2018 – 31 January 2020
Vacated}}

{{s-vac|next=Junto Nakatani}}

|-

{{s-vac|last=Junto Nakatani}}

{{s-ttl|title=WBO super-flyweight champion

|years=24 February – 14 October 2024}}

{{s-aft|after=Phumelele Cafu}}

{{s-ach|rec}}

{{s-bef|before=Naoya Inoue
6 fights}}

{{s-ttl|title=Fastest Japanese fighter to win a world title
5 fights

|years=30 May 2015 – present}}

{{s-inc|rows=2}}

{{s-bef|before=Vasyl Lomachenko
tied on 12 fights}}

{{s-ttl|title=Fewest professional fights
to win a major world title
in three weight classes

|years=24 September 2018 – present}}

{{s-end}}

{{DEFAULTSORT:Tanaka, Kosei}}

Category:1995 births

Category:Living people

Category:Japanese male boxers

Category:Martial artists from Gifu Prefecture

Category:World Boxing Organization champions

Category:World mini-flyweight boxing champions

Category:World light-flyweight boxing champions

Category:World flyweight boxing champions

Category:World super-flyweight boxing champions