Boxers / Yūichi Kasai / Boxerbook rating
Yūichi Kasai: Boxerbook rating Yūichi Kasai has a Boxerbook rating of 1654 ± 242 from 29 counted bouts, as of Oct 13, 2026. Not in a division list: inactive since Jul 1997 (no bout for 12 months).
Rating 1654 ± 242
Place not listed
Counted bouts 29
Unknown opponents 25 of 29
Schedule, career 1209
Schedule, 36 months no bouts
Form, last 5 1.6 of 3.5
Data confidence 10%
Status inactive since Jul 1997
Rating over time high 1878 · low 1654 Aug 1989 Jun 1998 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: 25 of 29 bouts.
L
For WBA super-bantamweight title Jul 26, 1997 · KO 12/12 · weight ×1.65 · opponent 2087
L
For WBA super-bantamweight title Dec 21, 1996 · UD 12/12 · weight ×1.65 · opponent 2058
W
Julio César Cardona (no page: counted as 1100)
Sep 7, 1996 · UD 10/10 · weight ×1.05
W
Noe Santiyana (no page: counted as 1100)
Mar 23, 1996 · KO 5 · weight ×1.00
W
Jun Llano (no page: counted as 1100)
Jun 3, 1995 · KO 10 · weight ×1.05
W
Hee-yun Kwon (no page: counted as 1100)
OPBF super bantamweight title Feb 4, 1995 · DEC 12/12 · weight ×1.16
L
Ramon Gusman (no page: counted as 1100)
Sep 23, 1994 · TKO 6 · weight ×1.00
W
Francisco Chávez (no page: counted as 1100)
Jul 2, 1994 · TD 7 · weight ×1.00
W
Ramon Morina (no page: counted as 1100)
Jun 4, 1994 · KO 2 · weight ×1.00
L
For WBA super bantamweight title Mar 2, 1994 · TKO 1/12 · weight ×1.65 · opponent 1903
W
Jerome Coffey (no page: counted as 1100)
Oct 7, 1993 · UD 10/10 · weight ×1.05
W
Masaki Yamaoka (no page: counted as 1100)
Japanese title, 2nd defence Jul 3, 1993 · UD 10/10 · weight ×1.10
D
Abraham Torres (no page: counted as 1100)
Apr 3, 1993 · DEC 10/10 · weight ×1.05
W
Shinichi Abe (no page: counted as 1100)
Japanese title, 1st defence Dec 6, 1992 · TKO 7 · weight ×1.05
W
Shuji Koizumi (no page: counted as 1100)
Vacant Japanese super bantamweight title Sep 5, 1992 · KO 2 · weight ×1.05
W
José Manjarres (no page: counted as 1100)
May 9, 1992 · MD 6/6 · weight ×0.90
W
Eloy Cortes (no page: counted as 1100)
Apr 11, 1992 · TKO 3 · weight ×1.00
W
Francisco Ruebano (no page: counted as 1100)
Feb 24, 1992 · TKO 3 · weight ×1.00
W
Katsuto Tokuhisa (no page: counted as 1100)
Nov 11, 1991 · KO 2 · weight ×1.00
W
Shinichi Abe (no page: counted as 1100)
Sep 25, 1991 · KO 2 · weight ×1.00
Show all 29 counted bouts W
Hiroshio Fukumoto (no page: counted as 1100)
Jul 29, 1991 · TKO 4 · weight ×1.00
W
Im Jonghyeon (no page: counted as 1100)
May 18, 1991 · KO 2 · weight ×1.00
W
Rick Bahelot (no page: counted as 1100)
Feb 17, 1991 · UD 10/10 · weight ×1.05
W
Satoru Tasaki (no page: counted as 1100)
Nov 3, 1990 · KO 2 · weight ×1.00
W
Speedy Kikuchi (no page: counted as 1100)
Jul 6, 1990 · UD 8/8 · weight ×1.00
W
Toyoshi Matsuoka (no page: counted as 1100)
Apr 14, 1990 · TKO 5 · weight ×1.00
W
Toshihiko Yano (no page: counted as 1100)
Feb 17, 1990 · UD 6/6 · weight ×0.90
W
Masu Nagaishi (no page: counted as 1100)
Nov 30, 1989 · KO 2 · weight ×1.00
W
Aug 12, 1989 · TKO 1 · weight ×1.00 · opponent 1500
Publishers and Boxerbook Consensus: no publisher lists for the division (a list without them counts as 16).
How the Boxerbook rating works · Yūichi Kasai: record and titles