Boxers / Guts Ishimatsu / Boxerbook rating
Guts Ishimatsu: Boxerbook rating Guts Ishimatsu has a Boxerbook rating of 1594 ± 274 from 51 counted bouts, as of Oct 13, 2026. Not in a division list: inactive since Jun 1978 (no bout for 12 months).
Rating 1594 ± 274
Place not listed
Counted bouts 51
Unknown opponents 39 of 51
Schedule, career 1261
Schedule, 36 months no bouts
Form, last 5 0.9 of 3.5
Data confidence 18%
Status inactive since Jun 1978
Rating over time high 1684 · low 1194 Dec 1966 Mar 1979 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: 39 of 51 bouts.
L
Yobi Arai (no page: counted as 1100)
Jun 20, 1978 · DEC 10/10 · weight ×1.05
L
For WBC super-lightweight title Apr 2, 1977 · KO 6/15 · weight ×1.65 · opponent 1876
L
For WBC lightweight title May 8, 1976 · UD 15/15 · weight ×1.65 · opponent 1891
W
Álvaro Rojas (no page: counted as 1100)
WBC world lightweight title, 5th defence Dec 4, 1975 · KO 14 · weight ×1.50
W
Arturo Pineda (no page: counted as 1100)
WBC world lightweight title, 4th defence Jun 5, 1975 · DEC 15/15 · weight ×1.65
W
For WBC lightweight title Feb 27, 1975 · UD 15/15 · weight ×1.65 · opponent 2083
W
For WBC lightweight title Nov 28, 1974 · KO 12/15 · weight ×1.65 · opponent 1719
D
Arturo Pineda (no page: counted as 1100)
WBC world lightweight title, 1st defence Sep 12, 1974 · DEC 15/15 · weight ×1.65
W
Won WBC lightweight title Apr 11, 1974 · KO 8/15 · weight ×1.65 · opponent 1816
W
Jini Cruz (no page: counted as 1100)
Feb 28, 1974 · KO 4 · weight ×1.00
L
For WBA and The Ring lightweight titles Sep 8, 1973 · TKO 10/15 · weight ×1.65 · opponent 2034
W
Hiroshi Tono-oka (no page: counted as 1100)
Jul 30, 1973 · KO 3 · weight ×1.00
W
Fred Paster (no page: counted as 1100)
OBF lightweight title, 2nd defence Apr 23, 1973 · DEC 12/12 · weight ×1.16
W
Kenji Iwata (no page: counted as 1100)
Dec 18, 1972 · KO 1 · weight ×1.00
W
Rudy González (no page: counted as 1100)
OBF lightweight title, 1st defence May 19, 1972 · DEC 12/12 · weight ×1.16
W
Hiroyuki Murakami (no page: counted as 1100)
Apr 6, 1972 · DEC 10/10 · weight ×1.05
W
Won OBF lightweight title Jan 16, 1972 · DEC 12/12 · weight ×1.16 · opponent 1630
L
Chang-gil Lee (no page: counted as 1100)
Dec 4, 1971 · DEC 10/10 · weight ×1.05
L
Aug 13, 1971 · KO 8 · weight ×1.00 · opponent 1500
W
Marcelio Kuchiron (no page: counted as 1100)
Jun 4, 1971 · TKO 4 · weight ×1.00
Show all 51 counted bouts W
Hitoshi Komase (no page: counted as 1100)
Apr 7, 1971 · DEC 10/10 · weight ×1.05
D
Japanese lightweight title Mar 3, 1971 · DEC 10/10 · weight ×1.10 · opponent 1500
L
Oct 29, 1970 · MD 10/10 · weight ×1.05 · opponent 1617
L
Oct 10, 1970 · UD 10/10 · weight ×1.05 · opponent 1855
W
Jong-bok Lee (no page: counted as 1100)
Aug 26, 1970 · DEC 10/10 · weight ×1.05
L
For WBA, WBC, and The Ring lightweight titles Jun 6, 1970 · TKO 13/15 · weight ×1.65 · opponent 1900
W
Jaguar Kakizawa (no page: counted as 1100)
Jan 25, 1970 · DEC 10/10 · weight ×1.05
W
Isao Ichihara (no page: counted as 1100)
Dec 10, 1969 · KO 6 · weight ×1.00
W
Kenshichiro Date (no page: counted as 1100)
Oct 9, 1969 · DEC 10/10 · weight ×1.05
W
Haruo Kikumoto (no page: counted as 1100)
Sep 10, 1969 · DEC 8/8 · weight ×1.00
L
Isao Shiiya (no page: counted as 1100)
Jul 23, 1969 · DEC 8/8 · weight ×1.00
D
Hitoshi Komase (no page: counted as 1100)
May 5, 1969 · DEC 8/8 · weight ×1.00
D
Haruo Kikumoto (no page: counted as 1100)
Mar 3, 1969 · DEC 8/8 · weight ×1.00
W
Tsuyoshi Yamamoto (no page: counted as 1100)
Feb 3, 1969 · KO 2 · weight ×1.00
W
Makoto Yumi (no page: counted as 1100)
Nov 17, 1968 · KO 1 · weight ×1.00
W
Tsunehisa Ninomiya (no page: counted as 1100)
Oct 13, 1968 · KO 1 · weight ×1.00
D
Hitoshi Komase (no page: counted as 1100)
Jul 15, 1968 · DEC 4/4 · weight ×0.80
L
Koichi Otomaru (no page: counted as 1100)
Jun 15, 1968 · DEC 4/4 · weight ×0.80
W
Noboru Nakamoto (no page: counted as 1100)
Apr 2, 1968 · KO 2 · weight ×1.00
W
Toshiro Shinguchi (no page: counted as 1100)
Jan 31, 1968 · DEC 4/4 · weight ×0.80
W
Haruo Kikumoto (no page: counted as 1100)
Jan 17, 1968 · KO 3 · weight ×1.00
W
Tetsuichi Okamoto (no page: counted as 1100)
Dec 5, 1967 · DEC 4/4 · weight ×0.80
W
Tadao Nakamura (no page: counted as 1100)
Nov 8, 1967 · KO 1 · weight ×1.00
L
Kazuo Yashiro (no page: counted as 1100)
Oct 6, 1967 · DEC 4/4 · weight ×0.80
L
Keiji Murabayashi (no page: counted as 1100)
Aug 9, 1967 · KO 1 · weight ×1.00
D
Hajime Kagawa (no page: counted as 1100)
Jun 12, 1967 · DEC 4/4 · weight ×0.80
L
Hajime Kagawa (no page: counted as 1100)
May 17, 1967 · DEC 4/4 · weight ×0.80
W
Tetsuo Kimura (no page: counted as 1100)
Mar 5, 1967 · KO 3 · weight ×1.00
W
Akio Fujita (no page: counted as 1100)
Feb 12, 1967 · DEC 4/4 · weight ×0.80
W
Yoichi Ichikawa (no page: counted as 1100)
Jan 15, 1967 · KO 1 · weight ×1.00
W
Masao Fujiwara (no page: counted as 1100)
Dec 11, 1966 · 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 · Guts Ishimatsu: record and titles