Boxers / Teruo Kosaka / Boxerbook rating

Teruo Kosaka: Boxerbook rating

Teruo Kosaka has a Boxerbook rating of 1519 ± 308 from 12 counted bouts, as of Oct 13, 2026. Not in a division list: inactive since Jun 1965 (no bout for 12 months).

Rating1519 ± 308
Placenot listed
Counted bouts12
Unknown opponents5 of 12
Schedule, career1439
Schedule, 36 monthsno bouts
Form, last 51.6 of 3.5
Data confidence50%
Statusinactive since Jun 1965

Rating over time

high 1658 · low 1474Dec 1960May 1966

μ at the end of each month with a bout, and of every month while active. Red dot: latest.

Bouts behind the rating

Every counted bout, newest first: the change in μ it caused (green up, red down), its weight and the rating after it. Unknown opponents: 5 of 12 bouts.

L
Gabriel Elorde
For WBA, WBC, and The Ring super featherweight titles
Jun 5, 1965 · KO 15/15 · weight ×1.65 · opponent 1741
−36
→ 1519
L
Gabriel Elorde
For WBA, WBC, and The Ring super featherweight titles
Jul 27, 1964 · TKO 12/15 · weight ×1.65 · opponent 1697
−56
→ 1554
W
Pedro Adigue
Nov 24, 1963 · PTS 10/10 · weight ×1.05 · opponent 1473
+39
→ 1611
W
Tsunetomi Miyamoto (no page: counted as 1100)
Japanese title, 4th defence, later vacated
Aug 5, 1963 · KO 6 · weight ×1.05
+13
→ 1572
W
Osamu Watanabe (no page: counted as 1100)
Japanese title, 3rd defence
Apr 22, 1963 · DEC 10/10 · weight ×1.10
+14
→ 1559
L
Carlos Ortíz
For NYSAC, WBA, and The Ring lightweight titles
Dec 3, 1962 · KO 5/15 · weight ×1.65 · opponent 1906
−29
→ 1545
L
Gabriel Elorde
Lost OBF title
Aug 4, 1962 · UD 12/12 · weight ×1.16 · opponent 1647
−84
→ 1574
W
Gabriel Elorde
OBF lightweight title
Apr 30, 1962 · SD 12/12 · weight ×1.16 · opponent 1674
+149
→ 1658
W
Kenzo Shimamura (no page: counted as 1100)
Japanese title, 2nd defence
Mar 12, 1962 · DEC 10/10 · weight ×1.10
+35
→ 1509
L
Gabriel Elorde
OBF lightweight title
Sep 2, 1961 · SD 12/12 · weight ×1.16 · opponent 1634
−144
→ 1474
W
Keiichi Ishikawa (no page: counted as 1100)
Japanese title, 1st defence
Mar 27, 1961 · DEC 10/10 · weight ×1.10
+48
→ 1619
W
Keiichi Ishikawa (no page: counted as 1100)
Japanese lightweight title
Dec 14, 1960 · DEC 10/10 · weight ×1.10
+71
→ 1571

Publishers and Boxerbook

Consensus: no publisher lists for the division (a list without them counts as 16).

WBC
not in top 15
WBA
not in top 15
IBF
not in top 15
WBO
not in top 15
Ring
not in top 15
TBRB
not in top 15
Boxerbook
not listed

How the Boxerbook rating works · Teruo Kosaka: record and titles