Boxers / Tomoshi Yamaguchi / Boxerbook rating

Tomoshi Yamaguchi: Boxerbook rating

Tomoshi Yamaguchi has a Boxerbook rating of 1375 ± 212 from 6 counted bouts, as of Oct 13, 2026. Not in a division list yet: uncertainty ± 212 is above ± 200.

Rating1375 ± 212
PlaceBantamweight, not listed
Counted bouts6
Unknown opponents5 of 6
Schedule, career1167
Schedule, 36 months1167
Form, last 52.3 of 3.5
Data confidence0%
Statusactive · last bout Feb 7, 2026

Rating over time

high 1604 · low 1264Jun 2024Oct 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: 5 of 6 bouts.

W
Kosuke Nishiya (no page: counted as 1100)
Feb 7, 2026 · TKO 3/8 · weight ×1.00
+50
→ 1375
W
Haruki Igarashi (no page: counted as 1100)
Oct 14, 2025 · UD 6/8 · weight ×0.90
+61
→ 1325
L
Shunpei Kaneshiro
Japanese youth bantamweight title
May 13, 2025 · UD 8/8 · weight ×1.05 · opponent 1500
−87
→ 1264
L
Yuya Tanaka (no page: counted as 1100)
Jan 14, 2025 · TKO 8/8 · weight ×1.00
−253
→ 1350
W
Dong-eop Lee (no page: counted as 1100)
Oct 19, 2024 · UD 6/6 · weight ×0.90
+43
→ 1604
W
Wesley Kaga (no page: counted as 1100)
Jun 17, 2024 · UD 6/6 · weight ×0.90
+61
→ 1561

Publishers and Boxerbook

Consensus: not in the publishers’ top 15 in Bantamweight (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 · Tomoshi Yamaguchi: record and titles