What is Seiji Tanaka's record?

Seiji Tanaka's professional record is 16-7-3 with 4 knockouts.

Super flyweight · Japan

Seiji Tanaka

16-7-3 4 KO · 1997–2005

Updated Oct 12, 2026 · Sources: Wikidata, Wikipedia (ja), English Wikipedia

Seiji Tanaka was a super flyweight boxer from Japan, born Jan 1, 1977. Record 16-7-3 with 4 knockouts over 1997–2005. Seiji Tanaka last fought Nobuo Nashiro on Apr 3, 2005 and lost by TKO in round 10 of 10.

Also: Сэидзи Танака · 田中聖二 · Танака, Сэидзи

BornJan 1, 1977

DiedApr 15, 2005

Country🇯🇵 Japan

DebutJul 31, 1997

Career1997–2005

Rounds boxed169

KO share25%

Born inTottori, Japan

TitlesJapanese super flyweight title 2004

Boxerbook rating1468 ± 212 · inactive since Apr 2005Why here ›

Confirmed bouts3 of 26

Career record

Record

16-7-3, 4 KOs · 1997–2005

Last result

Nobuo Nashiro 🇯🇵

For Japanese super flyweight title

TKO 10/10 · IMP Hall, Osaka, 🇯🇵

2005-04-03 ›
✓✓ two sources

The record

26 bouts, 1997–2005, newest first. Records under each bout are both boxers going in.

Bouts by source: Wikipedia (ja) · 26, English Wikipedia · 2

Nobuo Nashiro 🇯🇵

For Japanese super flyweight title

TKO 10/10 · IMP Hall, Osaka, 🇯🇵

Tanaka 16-6-3 · Nashiro 5-0-0

2005-04-03 ›
✓✓ two sources

Masayuki Arinaga 🇯🇵

Japanese super flyweight title

UD 10/10

Tanaka 15-6-3 · Arinaga —

2004-11-27 ›
✓ one source

Panumdej Or Yutanakorn

TKO 2

Tanaka 14-6-3 · Yutanakorn —

2004-09-20 ›
✓ one source

Joven Holda

UD 10/10

Tanaka 13-6-3 · Holda —

2004-05-02 ›
✓ one source

Kanchit Khatgaetcher

KO 2

Tanaka 12-6-3 · Khatgaetcher —

2003-09-28 ›
✓ one source

Yasuo Kijima

UD 8/8

Tanaka 12-5-3 · Kijima —

2003-04-14 ›
✓ one source

Yuki Murai

UD 10/10

Tanaka 11-5-3 · Murai —

2002-11-26 ›
✓ one source

Gerry Peñalosa 🇵🇭

For WBC International super-flyweight title

RTD 7/12 · Neal S. Blaisdell Arena, Honolulu, Hawaii, 🇺🇸

Tanaka 11-4-3 · Peñalosa 46-4-2

2002-08-20 ›
✓✓ two sources

Propram Kronpachon

KO 5

Tanaka 10-4-3 · Kronpachon —

2002-03-23 ›
✓ one source

Noriyuki Komatsu 🇯🇵

TD 7

Tanaka 10-3-3 · Komatsu —

2001-11-02 ›
✓ one source

Tomoya Miyauchi

TD 8

Tanaka 9-3-3 · Miyauchi —

2001-07-31 ›
✓ one source

Kōji Fujiwara 🇯🇵

DEC 8/8

Tanaka 9-3-2 · Fujiwara 21-2-0

2001-04-24 ›
✓✓ two sources

Ricky Protasio

DEC 10/10

Tanaka 8-3-2 · Protasio —

2000-12-12 ›
✓ one source

Noboru Fukuyama

DEC 10/10

Tanaka 8-3-1 · Fukuyama —

2000-08-27 ›
✓ one source

Tamotsu Akasaka

TD 7

Tanaka 7-3-1 · Akasaka —

2000-04-12 ›
✓ one source

Jun Yamauchi

DEC 8/8

Tanaka 6-3-1 · Yamauchi —

1999-11-29 ›
✓ one source

Katsuhiko Yoshiumi

DEC 8/8

Tanaka 6-2-1 · Yoshiumi —

1999-08-29 ›
✓ one source

Kazuhiro Shima

TKO 2

Tanaka 6-1-1 · Shima —

1999-05-02 ›
✓ one source

Takayuki Kōrogi 🇯🇵

DEC 6/6

Tanaka 6-0-1 · Kōrogi —

1998-11-09 ›
✓ one source

Tatsuya Imazu

DEC 6/6

Tanaka 5-0-1 · Imazu —

1998-07-28 ›
✓ one source

Show all 26 bouts

Kaname Se

DEC 6/6

Tanaka 5-0-0 · Se —

1998-05-19 ›
✓ one source

Naoki Tani

DEC 4/4

Tanaka 4-0-0 · Tani —

1998-04-02 ›
✓ one source

Yuki Okamoto

DEC 4/4

Tanaka 3-0-0 · Okamoto —

1998-02-03 ›
✓ one source

Shinnosuke Inui

DEC 4/4

Tanaka 2-0-0 · Inui —

1997-11-18 ›
✓ one source

Seiji Yamada

TKO 3

Tanaka 1-0-0 · Yamada —

1997-10-14 ›
✓ one source

Hiroshi Adachi

DEC 4/4

Tanaka 0-0-0 · Adachi —

1997-07-31 ›
✓ one source

Ratings now

Not in any current ranking.

World titles

No world title reigns recorded.

Facts

What is Seiji Tanaka's record?: Seiji Tanaka's professional record is 16-7-3 with 4 knockouts.
Who did Seiji Tanaka fight last?: Seiji Tanaka last fought Nobuo Nashiro on Apr 3, 2005 and lost by TKO in round 10 of 10.

Sources

Boxerbook ID 1557 · permanent link boxerbook.com/id/1557. Wikidata (CC0), English Wikipedia (CC BY-SA). Last fetched: 2026-10-12. Spot a mistake? Every bout page has a link to report it.

Wikidata ↗