Boxers / Shin'ya Iwabuchi / Boxerbook rating
Shin'ya Iwabuchi: Boxerbook rating Shin'ya Iwabuchi has a Boxerbook rating of 1631 ± 168 from 32 counted bouts, as of Oct 13, 2026. Not in a division list: inactive since Feb 2016 (no bout for 12 months).
Rating 1631 ± 168
Place not listed
Counted bouts 32
Unknown opponents 26 of 32
Schedule, career 1203
Schedule, 36 months no bouts
Form, last 5 2.1 of 3.5
Data confidence 13%
Status inactive since Feb 2016
Rating over time high 1710 · low 1054 Feb 2004 Jan 2017 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: 26 of 32 bouts.
L
Al Rivera (no page: counted as 1100)
Vacant OPBF super lightweight title Feb 11, 2016 · TKO 7/12 · weight ×1.05
W
Romeo Jacosalem (no page: counted as 1100)
Sep 5, 2015 · TKO 3/8 · weight ×1.00
W
Tatsuo Yoshida (no page: counted as 1100)
May 2, 2015 · TKO 6/8 · weight ×1.00
W
Luis Araguayan (no page: counted as 1100)
Feb 10, 2015 · KO 7/8 · weight ×1.00
L
OPBF super lightweight title Aug 11, 2014 · TKO 12/12 · weight ×1.16 · opponent 1799
W
Feb 28, 2014 · TKO 7/8 · weight ×1.00 · opponent 1696
W
Koichi Ogawa (no page: counted as 1100)
Oct 28, 2013 · TKO 4/8 · weight ×1.00
L
Min-uk Kim (no page: counted as 1100)
OPBF super lightweight title Apr 21, 2013 · UD 12/12 · weight ×1.16
W
Japanese title, 3rd defence Feb 11, 2013 · TKO 8/10 · weight ×1.05 · opponent 1572
W
Japanese title, 2nd defence Nov 3, 2012 · KO 7/10 · weight ×1.05 · opponent 1511
W
Tsuyoshi Ozawa (no page: counted as 1100)
Japanese title, 1st defence Jun 29, 2012 · UD 10/10 · weight ×1.10
W
Won Japanese super lightweight title Feb 13, 2012 · KO 7/10 · weight ×1.05 · opponent 1769
W
Oct 15, 2011 · TKO 1/8 · weight ×1.00 · opponent 1543
W
Kota Koike (no page: counted as 1100)
Jul 6, 2011 · TKO 4/6 · weight ×1.00
W
Masamoto Kotake (no page: counted as 1100)
Feb 2, 2011 · UD 8/8 · weight ×1.00
W
Josmar Kefi (no page: counted as 1100)
Jul 1, 2010 · TKO 1/8 · weight ×1.00
W
Hiromi Morishita (no page: counted as 1100)
Oct 5, 2009 · TKO 4/8 · weight ×1.00
W
Sardtra Sandeejim (no page: counted as 1100)
Apr 6, 2009 · KO 3/8 · weight ×1.00
W
Shingo Tanaka (no page: counted as 1100)
Dec 1, 2008 · TKO 1/8 · weight ×1.00
L
Daiki Koide (no page: counted as 1100)
Jul 9, 2008 · UD 8/8 · weight ×1.00
Show all 32 counted bouts W
Choke Charoen Sor Sulapon (no page: counted as 1100)
Mar 4, 2008 · TKO 2/8 · weight ×1.00
W
Koji Toyoshima (no page: counted as 1100)
Dec 3, 2007 · TKO 6/8 · weight ×1.00
W
Somnuk Sor Worapin (no page: counted as 1100)
Jul 4, 2007 · KO 3/8 · weight ×1.00
W
Shunsuke Ikeda (no page: counted as 1100)
Apr 5, 2007 · KO 5/8 · weight ×1.00
W
Masataka Ikuta (no page: counted as 1100)
Dec 6, 2006 · UD 6/6 · weight ×0.90
W
Tsutomu Endo (no page: counted as 1100)
Sep 5, 2006 · TKO 4/6 · weight ×1.00
W
Naoki Takahashi (no page: counted as 1100)
May 29, 2006 · UD 4/4 · weight ×0.80
W
Daisuke Nakajima (no page: counted as 1100)
Mar 1, 2006 · TKO 1 · weight ×1.00
W
Yoshiaki Saito (no page: counted as 1100)
Sep 25, 2005 · TKO 3 · weight ×1.00
W
Sho Ishiyama (no page: counted as 1100)
Apr 5, 2005 · TKO 4 · weight ×1.00
L
Toshishi Maeshiro (no page: counted as 1100)
Sep 13, 2004 · UD 4/4 · weight ×0.80
L
Sho Ishiyama (no page: counted as 1100)
Feb 2, 2004 · TD 4 · weight ×1.00
Publishers and Boxerbook Consensus: no publisher lists for the division (a list without them counts as 16).
How the Boxerbook rating works · Shin'ya Iwabuchi: record and titles