Boxers / Taishin Isotani / Boxerbook rating

Taishin Isotani: Boxerbook rating

Taishin Isotani is #53 in the Boxerbook welterweight list with a rating of 1449 ± 164 from 14 counted bouts, as of Oct 20, 2026.

Rating1449 ± 164
Place#53 in Welterweight
Counted bouts14
Unknown opponents13 of 14
Schedule, career1094
Schedule, 36 months1100
Form, last 53.5 of 3.5
Data confidence100%
Statusactive · last bout Jun 9, 2026

Rating over time

high 1641 · low 1167Oct 2021Oct 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: 13 of 14 bouts.

W
She Junyi (no page: counted as 1100)
Jun 9, 2026 · TKO 6/8 · weight ×1.00
+23
→ 1449
W
Ryoshin Yamamoto (no page: counted as 1100)
Japanese youth welterweight title
Dec 9, 2025 · UD 8 · weight ×1.05
+27
→ 1426
W
Taiga Kato (no page: counted as 1100)
Japanese youth welterweight title
Jun 10, 2025 · TKO 6/8 · weight ×1.05
+32
→ 1399
W
Taiga Kato (no page: counted as 1100)
Vacant Japanese youth welterweight title
Dec 10, 2024 · MD 8 · weight ×1.05
+38
→ 1367
W
Kojiro Nishikawa (no page: counted as 1100)
Aug 13, 2024 · UD 8 · weight ×1.00
+44
→ 1330
W
Kota Matsuno (no page: counted as 1100)
Apr 9, 2024 · UD 6 · weight ×0.90
+51
→ 1285
W
Shuhei Hamano (no page: counted as 1100)
Dec 12, 2023 · TKO 3/6 · weight ×0.90
+67
→ 1234
L
Kenta Kamimura (no page: counted as 1100)
Aug 8, 2023 · SD 6 · weight ×0.90
−120
→ 1167
L
Taiga Ito (no page: counted as 1100)
Apr 18, 2023 · MD 6 · weight ×0.90
−166
→ 1287
L
Kota Matsuno (no page: counted as 1100)
Nov 3, 2022 · TKO 4/4 · weight ×0.80
−188
→ 1453
W
Kenji Satō
Sep 26, 2022 · TKO 1/4 · weight ×0.80 · opponent 1019
+14
→ 1641
W
Satoshi Tanaka (no page: counted as 1100)
Aug 9, 2022 · TKO 3/4 · weight ×0.80
+32
→ 1627
W
Kota Hosotani (no page: counted as 1100)
Apr 12, 2022 · KO 1/4 · weight ×0.80
+40
→ 1595
W
Akimitsu Haga (no page: counted as 1100)
Oct 14, 2021 · TKO 1/4 · weight ×0.80
+55
→ 1555

Publishers and Boxerbook

Consensus: not in the publishers’ top 15 in Welterweight (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
#53

How the Boxerbook rating works · Taishin Isotani: record and titles