Boxers / Tomonori Nagao / Boxerbook rating

Tomonori Nagao: Boxerbook rating

Tomonori Nagao is #14 in the Boxerbook flyweight list with a rating of 1434 ± 145 from 16 counted bouts, as of Oct 13, 2026.

Rating1434 ± 145
Place#14 in Flyweight
Counted bouts16
Unknown opponents14 of 16
Schedule, career1151
Schedule, 36 months1171
Form, last 52.3 of 3.5
Data confidence6%
Statusactive · last bout Feb 10, 2026

Rating over time

high 1595 · low 1389Dec 2019Oct 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: 14 of 16 bouts.

L
Kosuke Tomioka
Lost WBO Asia Pacific title
Feb 10, 2026 · UD 10/10 · weight ×1.57 · opponent 1524
−78
→ 1434
W
Katsuya Murakami (no page: counted as 1100)
WBO Asia Pacific title, 1st defence
Sep 16, 2025 · UD 10/10 · weight ×1.57
+28
→ 1512
W
Shunpei Odagiri (no page: counted as 1100)
Vacant WBO Asia Pacific flyweight title
Apr 19, 2025 · TKO 4/10 · weight ×1.50
+31
→ 1485
W
Yuta Nakayama (no page: counted as 1100)
Dec 11, 2024 · TD 7/8 · weight ×1.00
+24
→ 1454
D
Temple Kambara (no page: counted as 1100)
Jun 26, 2024 · MD 8/8 · weight ×1.00
−35
→ 1429
W
Kenta Taguchi (no page: counted as 1100)
Dec 4, 2023 · TKO 5/8 · weight ×1.00
+26
→ 1465
W
Chanatip Kor Chai (no page: counted as 1100)
Sep 21, 2023 · TKO 2/8 · weight ×1.00
+31
→ 1438
L
Shugo Naemura (no page: counted as 1100)
Mar 22, 2023 · TKO 2/8 · weight ×1.00
−121
→ 1407
W
Shota Kawamura (no page: counted as 1100)
Jun 22, 2022 · KO 4/6 · weight ×1.00
+27
→ 1528
W
Hirota Gushiken (no page: counted as 1100)
Mar 28, 2022 · TKO 1/6 · weight ×1.00
+32
→ 1501
W
Tasuku Kikuta (no page: counted as 1100)
Dec 10, 2021 · SD 4/4 · weight ×0.80
+31
→ 1469
W
Kaito Kakumi (no page: counted as 1100)
Aug 10, 2021 · TKO 4/4 · weight ×1.00
+49
→ 1438
D
Haruki Igarashi (no page: counted as 1100)
Apr 2, 2021 · SD 4/4 · weight ×0.80
−53
→ 1389
L
Shoji Umezu
Dec 9, 2020 · TKO 2/4 · weight ×1.00 · opponent 1500
−153
→ 1442
W
Yuta Kato (no page: counted as 1100)
Sep 8, 2020 · UD 4/4 · weight ×0.80
+40
→ 1595
W
Pham Phu Tuon (no page: counted as 1100)
Dec 7, 2019 · UD 4/4 · weight ×0.80
+55
→ 1555

Publishers and Boxerbook

Consensus: not in the publishers’ top 15 in 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
#14

How the Boxerbook rating works · Tomonori Nagao: record and titles