Boxers / Kōsuke Saka / Boxerbook rating
Kōsuke Saka: Boxerbook rating Kōsuke Saka has a Boxerbook rating of 1593 ± 131 from 31 counted bouts, as of Oct 13, 2026. Not in a division list: inactive since Jun 2024 (no bout for 12 months).
Rating 1593 ± 131
Place not listed
Counted bouts 31
Unknown opponents 18 of 31
Schedule, career 1319
Schedule, 36 months 1348
Form, last 5 1.4 of 3.5
Data confidence 32%
Status inactive since Jun 2024
Rating over time high 1713 · low 1455 Mar 2012 May 2025 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: 18 of 31 bouts.
L
OPBF super featherweight title Jun 1, 2024 · TKO 3/12 · weight ×1.05 · opponent 1596
W
Ken Koibuchi (no page: counted as 1100)
Vacant OPBF super featherweight title Feb 16, 2024 · TKO 5/12 · weight ×1.05
L
Japanese super featherweight title Apr 1, 2023 · TKO 4/10 · weight ×1.05 · opponent 1650
W
Japanese title, 2nd defence Sep 17, 2022 · TKO 6/10 · weight ×1.05 · opponent 1337
L
Vacant OPBF super featherweight title Dec 14, 2021 · TKO 3/12 · weight ×1.05 · opponent 1578
W
Japanese super featherweight title Jan 22, 2021 · TKO 6/10 · weight ×1.05 · opponent 1597
W
Dec 7, 2019 · TKO 6/10 · weight ×1.05 · opponent 1866
W
Isaac Junior (no page: counted as 1100)
Sep 23, 2019 · TKO 3/8 · weight ×1.00
L
For vacant WBO Asia Pacific super featherweight title Apr 20, 2019 · KO 2/12 · weight ×1.16 · opponent 1577
W
Gustey El Niño (no page: counted as 1100)
Jul 27, 2018 · KO 2/8 · weight ×1.00
W
Apr 30, 2018 · TKO 2/8 · weight ×1.00 · opponent 1604
L
Japanese featherweight title Dec 1, 2017 · KO 5/10 · weight ×1.05 · opponent 1443
W
Japanese featherweight title Apr 23, 2017 · TKO 3/10 · weight ×1.05 · opponent 1880
W
Denyaso Sitkrumak (no page: counted as 1100)
Dec 28, 2016 · KO 1/8 · weight ×1.00
W
Sep 13, 2016 · TKO 1/8 · weight ×1.00 · opponent 1604
W
Burning Ishii (no page: counted as 1100)
Jun 5, 2016 · TKO 7/8 · weight ×1.00
W
Akajackapan Mor Krungthep Thonburi (no page: counted as 1100)
Dec 27, 2015 · KO 4/8 · weight ×1.00
W
Kazuki Hashimoto (no page: counted as 1100)
Oct 9, 2015 · TKO 1/8 · weight ×1.00
W
Tatsuto Kyoguchi (no page: counted as 1100)
Apr 4, 2015 · TKO 3/8 · weight ×1.00
W
Tetsuya Nishinaga (no page: counted as 1100)
Nov 9, 2014 · TKO 8/8 · weight ×1.00
Show all 31 counted bouts L
May 3, 2014 · TKO 9/10 · weight ×1.00 · opponent 1570
L
Jun Hamana (no page: counted as 1100)
Feb 1, 2014 · UD 8/8 · weight ×1.00
W
Katsuya Sato (no page: counted as 1100)
Aug 7, 2013 · UD 5/5 · weight ×0.90
W
Kiyoshi Sugita (no page: counted as 1100)
May 26, 2013 · UD 6/6 · weight ×0.90
L
Dec 16, 2012 · UD 5/5 · weight ×0.90 · opponent 1780
W
Satoshi Hotta (no page: counted as 1100)
Oct 28, 2012 · TKO 2/5 · weight ×1.00
W
Masahiro Ijyu (no page: counted as 1100)
Sep 9, 2012 · TKO 3/4 · weight ×1.00
W
Shun Hayashi (no page: counted as 1100)
Aug 5, 2012 · KO 2/4 · weight ×1.00
W
Hikari Yoshimura (no page: counted as 1100)
Jun 30, 2012 · KO 1/4 · weight ×1.00
W
Satoya Yokogawa (no page: counted as 1100)
May 27, 2012 · UD 4/4 · weight ×0.80
W
Tokiya Nishioka (no page: counted as 1100)
Mar 4, 2012 · KO 1/4 · 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 · Kōsuke Saka: record and titles