Boxers / Kōki Taison / Boxerbook rating
Kōki Taison: Boxerbook rating Kōki Taison has a Boxerbook rating of 1440 ± 136 from 29 counted bouts, as of Oct 13, 2026. Not in a division list: current division unknown.
Rating 1440 ± 136
Place not listed
Counted bouts 29
Unknown opponents 22 of 29
Schedule, career 1214
Schedule, 36 months 1100
Form, last 5 1.9 of 3.5
Data confidence 10%
Status active · last bout Jul 15, 2026
Rating over time high 1689 · low 1389 Apr 2012 Oct 2026 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: 22 of 29 bouts.
L
Dong-u Kim (no page: counted as 1100)
Jul 15, 2026 · KO 3/8 · weight ×1.00
W
Qilie Bai (no page: counted as 1100)
Japanese title, 1st defence Sep 29, 2025 · UD 10/10 · weight ×1.10
W
Qilie Bai (no page: counted as 1100)
Mar 24, 2025 · KO 6/8 · weight ×1.00
L
Deok-ro Yun (no page: counted as 1100)
Lost WBO Asia Pacific title Nov 22, 2024 · TKO 7 · weight ×1.50
W
Deok-ro Yun (no page: counted as 1100)
WBO Asia Pacific super middleweight title Jun 25, 2024 · TKO 1/12 · weight ×1.50
W
Vacant Japanese super middleweight title Jun 10, 2023 · UD 10/10 · weight ×1.10 · opponent 1564
W
Nawat Masamin (no page: counted as 1100)
Nov 30, 2022 · KO 3/8 · weight ×1.00
L
Kazuki Kyohara (no page: counted as 1100)
May 20, 2022 · SD 8/6 · weight ×1.00
L
Vacant OPBF middleweight title Oct 11, 2019 · TKO 8/12 · weight ×1.05 · opponent 1433
D
Vacant OPBF middleweight title Jul 9, 2019 · MD 12/12 · weight ×1.16 · opponent 1344
W
Konjak Porpaoyin (no page: counted as 1100)
Apr 6, 2019 · TKO 2/8 · weight ×1.00
L
Yasuyuki Akiyama (no page: counted as 1100)
OPBF and WBO Asia Pacific middleweight title unification Dec 3, 2017 · TKO 5/12 · weight ×1.05
W
Lockhart Brandon Shane (no page: counted as 1100)
Jul 30, 2017 · UD 12/12 · weight ×1.16
W
Sung-jae An (no page: counted as 1100)
Apr 16, 2017 · KO 4/12 · weight ×1.05
W
Won OPBF middleweight title Nov 23, 2016 · UD 12/12 · weight ×1.16 · opponent 1890
D
Jun-yong Lee (no page: counted as 1100)
Jul 31, 2016 · SD 8/8 · weight ×1.00
W
Pet Suriyo Sinwanchai (no page: counted as 1100)
Vacant WBC world youth middleweight title Apr 17, 2016 · KO 1/10 · weight ×1.50
L
Nov 9, 2015 · TKO 7/12 · weight ×1.05 · opponent 1698
W
Kunsak Eekhao Boonchai (no page: counted as 1100)
Aug 2, 2015 · KO 2/8 · weight ×1.00
W
Apr 5, 2015 · TKO 7/8 · weight ×1.00 · opponent 1575
Show all 29 counted bouts W
Petchsuria Sinwanchar (no page: counted as 1100)
Nov 24, 2014 · KO 4/8 · weight ×1.00
W
Hiroshi Ohashi (no page: counted as 1100)
Apr 20, 2014 · TKO 6/6 · weight ×1.00
W
Wataru Kiyono (no page: counted as 1100)
Dec 22, 2013 · KO 1/5 · weight ×1.00
W
Toshihiro Kai (no page: counted as 1100)
Nov 9, 2013 · TKO 1/4 · weight ×1.00
W
Osamu Katayama (no page: counted as 1100)
Aug 25, 2013 · KO 2/4 · weight ×1.00
L
Keisuke Kanazawa (no page: counted as 1100)
Jan 12, 2013 · TKO 3/4 · weight ×1.00
W
Daigo Kawauchi (no page: counted as 1100)
Nov 3, 2012 · TKO 1/4 · weight ×1.00
W
Yuichi Sakuda (no page: counted as 1100)
Sep 1, 2012 · TKO 2/4 · weight ×1.00
D
Apr 15, 2012 · SD 4/4 · weight ×0.80 · opponent 1500
Publishers and Boxerbook Consensus: no publisher lists for the division (a list without them counts as 16).
How the Boxerbook rating works · Kōki Taison: record and titles