Boxers / Ken Shiro / Boxerbook rating
Ken Shiro: Boxerbook rating Ken Shiro is #2 in the Boxerbook super flyweight list with a rating of 2168 ± 107 from 28 counted bouts, as of Oct 13, 2026.
Rating 2168 ± 107
Counted bouts 28
Unknown opponents 7 of 28
Schedule, career 1601
Schedule, 36 months 1886
Form, last 5 2.6 of 3.5
Data confidence 68%
Status active · last bout Jul 20, 2026
Rating over time high 2238 · low 1558 Aug 2014 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: 7 of 28 bouts.
W
Won vacant WBO junior-bantamweight title Jul 20, 2026 · UD 12/12 · weight ×1.65 · opponent 1750
L
For WBA and WBC flyweight titles Jul 30, 2025 · SD 12/12 · weight ×1.65 · opponent 1839
W
Retained WBC flyweight title Mar 13, 2025 · TKO 12/12 · weight ×1.65 · opponent 2069
W
Won vacant WBC flyweight title Oct 13, 2024 · TKO 11/12 · weight ×1.65 · opponent 1781
W
Retained WBA, WBC, and The Ring light-flyweight titles Jan 23, 2024 · MD 12/12 · weight ×1.65 · opponent 1993
W
For WBA, WBC, and The Ring light-flyweight titles Sep 18, 2023 · TKO 9/12 · weight ×1.65 · opponent 1976
W
For WBA, WBC, and The Ring light flyweight titles Apr 8, 2023 · TKO 9/12 · weight ×1.65 · opponent 1748
W
Retained WBC light-flyweight title Nov 1, 2022 · TKO 7/12 · weight ×1.65 · opponent 2155
W
Won WBC light-flyweight title Mar 19, 2022 · KO 3/12 · weight ×1.65 · opponent 1788
L
Lost WBC light-flyweight title Sep 22, 2021 · TKO 10/12 · weight ×1.65 · opponent 1628
W
Retained WBC light-flyweight title Apr 24, 2021 · UD 12/12 · weight ×1.65 · opponent 1546
W
Retained WBC light-flyweight title Dec 23, 2019 · TKO 4/12 · weight ×1.65 · opponent 1744
W
Retained WBC light-flyweight title Jul 12, 2019 · TKO 4/12 · weight ×1.65 · opponent 1742
W
Retained WBC light-flyweight title Dec 30, 2018 · UD 12/12 · weight ×1.65 · opponent 1683
W
Retained WBC light-flyweight title Oct 7, 2018 · TKO 7/12 · weight ×1.65 · opponent 2024
W
For WBC light flyweight title May 25, 2018 · KO 2/12 · weight ×1.65 · opponent 1784
W
Gilberto Pedroza (no page: counted as 1100)
Retained WBC light-flyweight title Dec 30, 2017 · TKO 4/12 · weight ×1.65
W
Retained WBC light-flyweight title Oct 22, 2017 · MD 12/12 · weight ×1.65 · opponent 1911
W
Won WBC light flyweight title May 20, 2017 · MD 12/12 · weight ×1.65 · opponent 1826
W
Lester Abutan (no page: counted as 1100)
Retained OPBF light-flyweight title Dec 8, 2016 · TKO 3/12 · weight ×1.16
Show all 28 counted bouts W
Toshimasa Ouchi (no page: counted as 1100)
Retained Japanese light-flyweight title Aug 7, 2016 · UD 12/12 · weight ×1.16
W
Retained Japanese light-flyweight title Apr 14, 2016 · TKO 1/10 · weight ×1.10 · opponent 1455
W
Won Japanese light-flyweight title Dec 27, 2015 · UD 10/10 · weight ×1.10 · opponent 1563
W
Rolly Sumalpong (no page: counted as 1100)
Won vacant WBC Youth light-flyweight title Oct 12, 2015 · UD 10/10 · weight ×1.10
W
Takashi Omae (no page: counted as 1100)
Aug 10, 2015 · TKO 4/8 · weight ×1.00
W
Katsunori Nagamine (no page: counted as 1100)
Mar 26, 2015 · TKO 7/8 · weight ×1.00
W
Phunwanai Wor Surapol (no page: counted as 1100)
Oct 19, 2014 · TKO 2/8 · weight ×1.00
W
Aug 3, 2014 · UD 6/6 · weight ×0.90 · opponent 1136
Publishers and Boxerbook Consensus: average place 9.7 in Super flyweight (a list without them counts as 16).
WBO as of 2026-09-01
champion
How the Boxerbook rating works · Ken Shiro: record and titles