Boxers / Jō Shiraishi / Boxerbook rating

Jō Shiraishi: Boxerbook rating

Jō Shiraishi has a Boxerbook rating of 1539 ± 161 from 15 counted bouts, as of Oct 13, 2026. Not in a division list: inactive since Aug 2025 (no bout for 12 months).

Rating1539 ± 161
PlaceSuper flyweight, not listed
Counted bouts15
Unknown opponents12 of 15
Schedule, career1207
Schedule, 36 months1430
Form, last 51.8 of 3.5
Data confidence13%
Statusinactive since Aug 2025

Rating over time

high 1752 · low 1539May 2016Oct 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: 12 of 15 bouts.

L
Ryūsei Kawaura
WBO Asia Pacific super flyweight title
Aug 12, 2025 · UD 10/10 · weight ×1.57 · opponent 1761
−60
→ 1539
W
Takeshi Sato (no page: counted as 1100)
Dec 31, 2024 · UD 8/8 · weight ×1.00
+16
→ 1599
L
Kenta Nakagawa
WBO Asia Pacific super flyweight title
Jul 1, 2023 · UD 12/12 · weight ×1.65 · opponent 1649
−169
→ 1583
W
Jakkrapan Saintoon (no page: counted as 1100)
Nov 15, 2022 · KO 2/8 · weight ×1.00
+13
→ 1752
W
Jukiya Washio (no page: counted as 1100)
Japanese youth title, 1st defence
Dec 28, 2019 · TKO 1/8 · weight ×1.05
+14
→ 1738
W
Yoshio Minato (no page: counted as 1100)
Vacant Japanese youth flyweight title
Sep 16, 2019 · UD 8/8 · weight ×1.05
+16
→ 1724
W
Andrew Lauriki (no page: counted as 1100)
Apr 21, 2019 · KO 5/8 · weight ×1.00
+17
→ 1708
W
Stivanus Nana Boo (no page: counted as 1100)
Sep 2, 2018 · KO 2/8 · weight ×1.00
+18
→ 1692
W
Masato Yabusaki (no page: counted as 1100)
Dec 23, 2017 · UD 5/5 · weight ×0.90
+19
→ 1673
W
Toma Kondo (no page: counted as 1100)
Nov 12, 2017 · UD 4/5 · weight ×0.80
+19
→ 1655
W
Yoshio Minato (no page: counted as 1100)
Sep 17, 2017 · UD 4/4 · weight ×0.80
+21
→ 1636
W
Seiya Nakazawa (no page: counted as 1100)
Apr 2, 2017 · UD 4/4 · weight ×0.80
+25
→ 1615
W
Keigo Nakayama (no page: counted as 1100)
Nov 11, 2016 · TKO 1/4 · weight ×1.00
+38
→ 1590
D
Ryōsuke Nasu
Jul 18, 2016 · MD 4/4 · weight ×0.80 · opponent 1500
−15
→ 1551
W
Takahiro Morishita (no page: counted as 1100)
May 16, 2016 · TKO 2/4 · weight ×1.00
+66
→ 1566

Publishers and Boxerbook

Consensus: not in the publishers’ top 15 in Super flyweight (a list without them counts as 16).

WBC
not in top 15
WBA
not in top 15
IBF
not in top 15
WBO
not in top 15
Ring
not in top 15
TBRB
not in top 15
Boxerbook
not listed

How the Boxerbook rating works · Jō Shiraishi: record and titles