Super featherweight · Japan

Teruo Kosaka

7-5-0 1 KO · 1960–1965

Teruo Kosaka was a super featherweight boxer from Japan, born Nov 18, 1940. Record 7-5-0 with 1 knockout over 1960–1965. Teruo Kosaka last fought Gabriel Elorde on Jun 5, 1965 and lost by KO in round 15 of 15.

Also: Тэруо Косака · 小坂照男 · Косака, Тэруо
BornNov 18, 1940
DiedApr 3, 2019
Country🇯🇵 Japan
DebutDec 14, 1960
Career1960–1965
Rounds boxed124
KO share14%
Born inChiba Prefecture, Japan
TitlesJapanese title, 4th defence, later vacated 1963
Boxerbook rating1519 ± 308 · inactive since Jun 1965Why here ›
Confirmed bouts6 of 12

Career record

Record
7-5-0, 1 KO · 1960–1965

Last result

L
Gabriel Elorde 🇵🇭
For WBA, WBC, and The Ring super featherweight titles
KO 15/15 · Araneta Coliseum, Quezon City, 🇵🇭
1965-06-05 ›
✓✓ two sources

The record

12 bouts, 1960–1965, newest first. Records under each bout are both boxers going in.

Bouts by source: Wikipedia (ja) · 11, English Wikipedia · 7

L
Gabriel Elorde 🇵🇭
For WBA, WBC, and The Ring super featherweight titles
KO 15/15 · Araneta Coliseum, Quezon City, 🇵🇭
Kosaka 7-4-0 · Elorde 76-19-2
1965-06-05 ›
✓✓ two sources
L
Gabriel Elorde 🇵🇭
For WBA, WBC, and The Ring super featherweight titles
TKO 12/15 · Kokugikan, Tokyo, 🇯🇵
Kosaka 7-3-0 · Elorde 73-19-2
1964-07-27 ›
✓✓ two sources
W
Pedro Adigue 🇵🇭
PTS 10/10 · Japan
Kosaka 6-3-0 · Adigue 11-2-2
1963-11-24 ›
✓ one source
W
Tsunetomi Miyamoto
Japanese title, 4th defence, later vacated
KO 6
Kosaka 5-3-0 · Miyamoto —
1963-08-05 ›
✓ one source
W
Osamu Watanabe
Japanese title, 3rd defence
DEC 10/10
Kosaka 4-3-0 · Watanabe —
1963-04-22 ›
✓ one source
L
Carlos Ortíz 🇵🇷
For NYSAC, WBA, and The Ring lightweight titles
KO 5/15 · Kokugikan, Tokyo, 🇯🇵
Kosaka 4-2-0 · Ortíz 38-4-0
1962-12-03 ›
✓✓ two sources
L
Gabriel Elorde 🇵🇭
Lost OBF title
UD 12/12 · Cebu Coliseum, Cebu City, 🇵🇭
Kosaka 4-1-0 · Elorde 65-18-2
1962-08-04 ›
✓✓ two sources
W
Gabriel Elorde 🇵🇭
OBF lightweight title
SD 12/12 · Korakuen Gym, Tokyo, 🇯🇵
Kosaka 3-1-0 · Elorde 64-17-2
1962-04-30 ›
✓✓ two sources
W
Kenzo Shimamura
Japanese title, 2nd defence
DEC 10/10
Kosaka 2-1-0 · Shimamura —
1962-03-12 ›
✓ one source
L
Gabriel Elorde 🇵🇭
OBF lightweight title
SD 12/12 · Rizal Memorial Sports Complex, Manila, 🇵🇭
Kosaka 2-0-0 · Elorde 61-17-2
1961-09-02 ›
✓✓ two sources
W
Keiichi Ishikawa
Japanese title, 1st defence
DEC 10/10
Kosaka 1-0-0 · Ishikawa —
1961-03-27 ›
✓ one source
W
Keiichi Ishikawa
Japanese lightweight title
DEC 10/10
Kosaka 0-0-0 · Ishikawa —
1960-12-14 ›
✓ one source

Ratings now

Not in any current ranking.

World titles

No world title reigns recorded.

Facts

What is Teruo Kosaka's record?
Teruo Kosaka's professional record is 7-5-0 with 1 knockout.
Who did Teruo Kosaka fight last?
Teruo Kosaka last fought Gabriel Elorde on Jun 5, 1965 and lost by KO in round 15 of 15.

Sources

Boxerbook ID 1347 · permanent link boxerbook.com/id/1347. 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 ↗