Boxers / Riku Nagahama / Boxerbook rating

Riku Nagahama: Boxerbook rating

Riku Nagahama has a Boxerbook rating of 1412 ± 192 from 5 counted bouts, as of Oct 13, 2026. Not in a division list: inactive since Dec 2024 (no bout for 12 months).

Rating1412 ± 192
Placenot listed
Counted bouts5
Unknown opponents0 of 5
Schedule, career1673
Schedule, 36 months1588
Form, last 50.7 of 3.5
Data confidence0%
Statusinactive since Dec 2024

Rating over time

high 1597 · low 1340Aug 2017Oct 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: 0 of 5 bouts.

L
Jirolian Riku
Dec 11, 2024 · TKO 2/8 · weight ×1.00 · opponent 1588
−64
→ 1412
L
Ryōta Toyoshima
OPBF welterweight title
Jan 16, 2021 · UD 12/12 · weight ×1.16 · opponent 1564
−122
→ 1475
W
Kudura Kaneko
Vacant OPBF welterweight title
Feb 27, 2020 · UD 12/12 · weight ×1.16 · opponent 1790
+257
→ 1597
L
Yūki Nagano
May 30, 2018 · TKO 5/8 · weight ×1.00 · opponent 1620
−78
→ 1340
L
Takeshi Inoue
Japanese title, 1st defence
Aug 10, 2017 · TKO 8/10 · weight ×1.10 · opponent 1802
−81
→ 1419

Publishers and Boxerbook

Consensus: no publisher lists for the division (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 · Riku Nagahama: record and titles