Boxers / Keiji Yamaguchi / Boxerbook rating
Keiji Yamaguchi: Boxerbook rating Keiji Yamaguchi has a Boxerbook rating of 1682 ± 213 from 39 counted bouts, as of Oct 13, 2026. Not in a division list: inactive since Apr 2002 (no bout for 12 months).
Rating 1682 ± 213
Place not listed
Counted bouts 39
Unknown opponents 28 of 39
Schedule, career 1297
Schedule, 36 months no bouts
Form, last 5 0.8 of 3.5
Data confidence 18%
Status inactive since Apr 2002
Rating over time high 1988 · low 1566 May 1992 Mar 2003 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: 28 of 39 bouts.
L
Apr 8, 2002 · TKO 3 · weight ×1.00 · opponent 1366
L
For WBC International super-flyweight title May 5, 2001 · TKO 1/12 · weight ×1.16 · opponent 1888
L
Oct 10, 2000 · KO 4 · weight ×1.00 · opponent 1405
W
Hyeon-sun Kim (no page: counted as 1100)
Aug 28, 2000 · DEC 10/10 · weight ×1.05
D
Hyeon-sun Kim (no page: counted as 1100)
Mar 18, 2000 · DEC 10/10 · weight ×1.05
L
For WBC super flyweight title Sep 5, 1999 · UD 12/12 · weight ×1.65 · opponent 2073
W
Na Doun (no page: counted as 1100)
Jun 7, 1999 · KO 3 · weight ×1.00
W
Takayuki Akasawa (no page: counted as 1100)
Apr 10, 1999 · UD 10/10 · weight ×1.05
W
Dec 19, 1998 · DEC 10/10 · weight ×1.05 · opponent 1659
L
Japanese super flyweight title Oct 25, 1998 · UD 10/10 · weight ×1.10 · opponent 1830
W
Rudy Edanio (no page: counted as 1100)
Aug 24, 1998 · DEC 10/10 · weight ×1.05
W
Vicente Adreias (no page: counted as 1100)
May 13, 1998 · TKO 1 · weight ×1.00
W
Wataru Kaido (no page: counted as 1100)
Feb 9, 1998 · TKO 7 · weight ×1.00
L
WBA world flyweight title Nov 22, 1997 · TKO 6 · weight ×1.50 · opponent 2028
W
Jojo Torres (no page: counted as 1100)
Jun 30, 1997 · KO 5 · weight ×1.00
W
Marlon Carillo (no page: counted as 1100)
Feb 25, 1997 · UD 10/10 · weight ×1.05
L
For WBA light flyweight title Dec 3, 1996 · TKO 2/12 · weight ×1.65 · opponent 1743
W
For WBA light flyweight title Aug 13, 1996 · UD 12/12 · weight ×1.65 · opponent 1900
W
Won WBA light flyweight title May 21, 1996 · SD 12/12 · weight ×1.65 · opponent 1985
W
Christopher Sagido (no page: counted as 1100)
Dec 23, 1995 · DEC 10/10 · weight ×1.05
Show all 39 counted bouts L
For WBA light-flyweight title Sep 5, 1995 · SD 12/12 · weight ×1.65 · opponent 1922
W
Hoeven Holda (no page: counted as 1100)
Jul 5, 1995 · UD 6/6 · weight ×0.90
W
Satoru Abe (no page: counted as 1100)
Japanese title, 3rd defence Jun 14, 1995 · MD 10/10 · weight ×1.10
W
Daiki Sakakibara (no page: counted as 1100)
Japanese title, 2nd defence May 9, 1995 · DEC 10/10 · weight ×1.10
W
Sho Tenma (no page: counted as 1100)
Japanese title, 1st defence Nov 15, 1994 · TKO 6 · weight ×1.05
W
Katsunori Zakabi (no page: counted as 1100)
Vacant Japanese light flyweight title Sep 19, 1994 · UD 10/10 · weight ×1.10
W
Sammy Tyson (no page: counted as 1100)
Jun 27, 1994 · TKO 3 · weight ×1.00
W
Nilo Anosa (no page: counted as 1100)
Apr 13, 1994 · DEC 10/10 · weight ×1.05
W
Texas Mac Gómez (no page: counted as 1100)
Nov 8, 1993 · DEC 10/10 · weight ×1.05
W
Jae-un Kim (no page: counted as 1100)
Aug 9, 1993 · KO 7 · weight ×1.00
W
Lee Escobito (no page: counted as 1100)
Jun 21, 1993 · UD 6/6 · weight ×0.90
W
Seon-ho Kim (no page: counted as 1100)
May 12, 1993 · DEC 10/10 · weight ×1.05
W
Joe Constantin (no page: counted as 1100)
Jan 29, 1993 · UD 10/10 · weight ×1.05
W
Dash Toho (no page: counted as 1100)
Nov 18, 1992 · KO 2 · weight ×1.00
W
George Ubaldo (no page: counted as 1100)
Oct 8, 1992 · DEC 8/8 · weight ×1.00
W
Kenji Takaoka (no page: counted as 1100)
Aug 27, 1992 · KO 5 · weight ×1.00
W
Koji Ishikawa (no page: counted as 1100)
Jul 1, 1992 · KO 1 · weight ×1.00
W
Takayuki Onoda (no page: counted as 1100)
Jun 15, 1992 · DEC 4/4 · weight ×0.80
W
Fumikazu Onishi (no page: counted as 1100)
May 11, 1992 · KO 1 · 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 · Keiji Yamaguchi: record and titles