Boxers / Kōji Umetsu / Boxerbook rating

Kōji Umetsu: Boxerbook rating

Kōji Umetsu has a Boxerbook rating of 1449 ± 213 from 7 counted bouts, as of Oct 13, 2026. Not in a division list: inactive since Dec 2011 (no bout for 12 months).

Rating1449 ± 213
Placenot listed
Counted bouts7
Unknown opponents0 of 7
Schedule, career1731
Schedule, 36 monthsno bouts
Form, last 50.3 of 3.5
Data confidence0%
Statusinactive since Dec 2011

Rating over time

high 1653 · low 1434Sep 2005Oct 2012

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: 0 of 7 bouts.

L
Seiichi Okada
Japanese title, 3rd defence
Dec 31, 2011 · MD 10/10 · weight ×1.10 · opponent 1878
−16
→ 1449
L
Satoshi Hosono
Vacant Japanese featherweight title
Nov 8, 2010 · UD 10/10 · weight ×1.10 · opponent 1868
−18
→ 1465
L
Naoki Matsuda
Japanese title, 3rd defence
Nov 7, 2009 · UD 10/10 · weight ×1.10 · opponent 1541
−89
→ 1483
D
Naoki Matsuda
Japanese title, 1st defence
Feb 21, 2009 · SD 10/10 · weight ×1.10 · opponent 1526
−17
→ 1572
L
Takahiro Ao
For Japanese featherweight title
Mar 3, 2007 · UD 10/10 · weight ×1.10 · opponent 1857
−64
→ 1589
W
Kazuhisa Watanabe
Won Japanese title
Oct 14, 2006 · MD 10/10 · weight ×1.10 · opponent 1578
+219
→ 1653
L
Hiroyuki Enoki
Japanese title, 3rd defence, later vacated
Sep 22, 2005 · UD 10/10 · weight ×1.10 · opponent 1869
−66
→ 1434

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 · Kōji Umetsu: record and titles