What is Kōji Kobayashi's record?

Kōji Kobayashi's professional record is 24-4-3 with 15 knockouts.

Which world titles has Kōji Kobayashi held?

Kōji Kobayashi has held 1 world title reign: WBC flyweight (1984).

Flyweight · Japan

Kōji Kobayashi

24-4-3 15 KO · 1978–1985

Photo: 角海老宝石ボクシングジム, CC BY-SA 4.0 via Wikimedia Commons

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

Kōji Kobayashi was a flyweight boxer from Japan, born Aug 27, 1957. Record 24-4-3 with 15 knockouts over 1978–1985. World titles: WBC flyweight (1984). Kōji Kobayashi last fought Yoshiyuki Uchida on Aug 27, 1985 and lost by TKO in round 7 of 10.

Also: Кодзи Кобаяси · كوجي كوباياشي · 小林光二

+4 more

고바야시 고지 · Koji Kobayashi · Kouji Kobayashi · Кобаяси, Кодзи

BornAug 27, 1957

Country🇯🇵 Japan

StanceSouthpaw

DebutDec 12, 1978

Career1978–1985

Rounds boxed167

KO share63%

Born inKatsushika, Tokyo, Japan

TitlesWBC flyweight · 1984

Boxerbook rating1562 ± 262 · inactive since Aug 1985Why here ›

Confirmed bouts3 of 31

Career record

Record

24-4-3, 15 KOs · 1978–1985

Last result

Yoshiyuki Uchida

TKO 7/10 · Korakuen Hall, Tokyo, 🇯🇵

1985-08-27 ›
✓ one source

The record

31 bouts, 1978–1985, newest first. Records under each bout are both boxers going in.

Bouts by source: English Wikipedia · 31, Wikipedia (ja) · 31

Yoshiyuki Uchida

TKO 7/10 · Korakuen Hall, Tokyo, 🇯🇵

Kobayashi 24-3-3 · Uchida —

1985-08-27 ›
✓ one source

Kazuo Katsuma

TKO 12/12 · Korakuen Hall, Tokyo, 🇯🇵

Kobayashi 24-2-3 · Katsuma —

1985-03-05 ›
✓ one source

Joe Shiranui

UD 10/10 · City Gymnasium, Tsuruga, 🇯🇵

Kobayashi 23-2-3 · Shiranui —

1984-12-01 ›
✓ one source

Kap Dong Park

UD 10/10 · Korakuen Hall, Tokyo, 🇯🇵

Kobayashi 22-2-3 · Park —

1984-10-16 ›
✓ one source

Allan Makitoki

MD 10/10 · Korakuen Hall, Tokyo, 🇯🇵

Kobayashi 21-2-3 · Makitoki —

1984-06-19 ›
✓ one source

Gabriel Bernal 🇲🇽

For WBC and The Ring flyweight titles

KO 2/12 · Korakuen Hall, Tokyo, 🇯🇵

Kobayashi 21-1-3 · Bernal 37-8-2

1984-04-09 ›
✓✓ two sources

Frank Cedeno 🇵🇭

Won WBC and The Ring flyweight titles

TKO 2/12 · Korakuen Hall, Tokyo, 🇯🇵

Kobayashi 20-1-3 · Cedeno 31-6-3

1984-01-18 ›
✓✓ two sources

Rord Mitsuru

TKO 7/10 · Kinki University Auditorium, Osaka, 🇯🇵

Kobayashi 19-1-3 · Mitsuru —

1983-07-07 ›
✓ one source

Chan Soo Jung

TKO 5/10 · Korakuen Hall, Tokyo, 🇯🇵

Kobayashi 18-1-3 · Jung —

1983-04-19 ›
✓ one source

Rodrigo Saonoy

UD 10/10 · Korakuen Hall, Tokyo, 🇯🇵

Kobayashi 17-1-3 · Saonoy —

1982-11-05 ›
✓ one source

Jackal Maruyama 🇯🇵

UD 10/10 · Korakuen Hall, Tokyo, 🇯🇵

Kobayashi 17-1-2 · Maruyama —

1982-09-03 ›
✓ one source

Jong Chul Park

RTD 5/10 · Korakuen Hall, Tokyo, 🇯🇵

Kobayashi 16-1-2 · Park —

1982-06-04 ›
✓ one source

Flash Jagdon

UD 10/10 · Korakuen Hall, Tokyo, 🇯🇵

Kobayashi 15-1-2 · Jagdon —

1982-03-06 ›
✓ one source

Phaktai Lipovitan 🇹🇭

KO 4/10 · Korakuen Hall, Tokyo, 🇯🇵

Kobayashi 14-1-2 · Lipovitan —

1981-11-21 ›
✓ one source

Jiro Takada

TKO 7/10 · Korakuen Hall, Tokyo, 🇯🇵

Kobayashi 13-1-2 · Takada —

1981-08-04 ›
✓ one source

Facomron Vibonchai

KO 2/10 · Korakuen Hall, Tokyo, 🇯🇵

Kobayashi 12-1-2 · Vibonchai —

1981-05-10 ›
✓ one source

Nobuo Horigome

KO 4/10 · Korakuen Hall, Tokyo, 🇯🇵

Kobayashi 11-1-2 · Horigome —

1981-04-07 ›
✓ one source

Fujimi Wada

KO 2/8 · Korakuen Hall, Tokyo, 🇯🇵

Kobayashi 10-1-2 · Wada —

1981-02-03 ›
✓ one source

Hirohisa Iino

KO 6/10 · Korakuen Hall, Tokyo, 🇯🇵

Kobayashi 9-1-2 · Iino —

1980-12-16 ›
✓ one source

Nobuo Horigome

PTS 8/8 · Korakuen Hall, Tokyo, 🇯🇵

Kobayashi 8-1-2 · Horigome —

1980-11-08 ›
✓ one source

Show all 31 bouts

Kazuyoshi Funaki

KO 1/8 · Korakuen Hall, Tokyo, 🇯🇵

Kobayashi 7-1-2 · Funaki —

1980-08-29 ›
✓ one source

Yoshiaki Kanda

PTS 6/6 · Korakuen Hall, Tokyo, 🇯🇵

Kobayashi 6-1-2 · Kanda —

1980-04-14 ›
✓ one source

Jiro Watanabe 🇯🇵

KO 1/6 · Prefectural Gymnasium, Osaka Japan, 🇯🇵

Kobayashi 6-0-2 · Watanabe 7-0-0

1980-02-21 ›
✓✓ two sources

Hiroyuki Kobayashi

KO 2/6 · Korakuen Hall, Tokyo, 🇯🇵

Kobayashi 5-0-2 · Kobayashi —

1979-12-23 ›
✓ one source

Mutsuo Watanabe

PTS 4/4 · Korakuen Hall, Tokyo, 🇯🇵

Kobayashi 4-0-2 · Watanabe —

1979-09-21 ›
✓ one source

Koichi Togashi

KO 3/4 · Korakuen Hall, Tokyo, 🇯🇵

Kobayashi 3-0-2 · Togashi —

1979-07-20 ›
✓ one source

Shinji Takagi

KO 2/4 · Korakuen Hall, Tokyo, 🇯🇵

Kobayashi 2-0-2 · Takagi —

1979-05-07 ›
✓ one source

Junichi Ota

PTS 4/4 · Korakuen Hall, Tokyo, 🇯🇵

Kobayashi 1-0-2 · Ota —

1979-03-23 ›
✓ one source

Kiyomi Sato

PTS 4/4 · Korakuen Hall, Tokyo, 🇯🇵

Kobayashi 1-0-1 · Sato —

1979-02-23 ›
✓ one source

Mutsuo Watanabe

PTS 4/4 · Korakuen Hall, Tokyo, 🇯🇵

Kobayashi 1-0-0 · Watanabe —

1979-01-04 ›
✓ one source

Ryutaro Abe

KO 3/4 · Korakuen Hall, Tokyo, 🇯🇵

Kobayashi 0-0-0 · Abe —

1978-12-12 ›
✓ one source

Ratings now

Not in any current ranking.

World titles

WBCFlyweight

1984-01-18 – 1984-04-09

Facts

What is Kōji Kobayashi's record?: Kōji Kobayashi's professional record is 24-4-3 with 15 knockouts.
Who did Kōji Kobayashi fight last?: Kōji Kobayashi last fought Yoshiyuki Uchida on Aug 27, 1985 and lost by TKO in round 7 of 10.
Which world titles has Kōji Kobayashi held?: Kōji Kobayashi has held 1 world title reign: WBC flyweight (1984).

Sources

Boxerbook ID 16577 · permanent link boxerbook.com/id/16577. Wikidata (CC0), English Wikipedia (CC BY-SA), photo from Wikimedia Commons. Last fetched: 2026-10-12. Spot a mistake? Every bout page has a link to report it.

Wikipedia ↗Wikidata ↗