Boxers / Shuma Nakazato / Boxerbook rating

Shuma Nakazato: Boxerbook rating

Shuma Nakazato is #33 in the Boxerbook lightweight list with a rating of 1637 ± 140 from 24 counted bouts, as of Oct 13, 2026.

Rating1637 ± 140
Place#33 in Lightweight
Counted bouts24
Unknown opponents17 of 24
Schedule, career1295
Schedule, 36 months1317
Form, last 51.8 of 3.5
Data confidence29%
Statusactive · last bout Jun 7, 2026

Rating over time

high 1758 · low 1520Apr 2015Oct 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: 17 of 24 bouts.

L
Taiga Imanaga
For OPBF lightweight title
Jun 7, 2026 · MD 10/10 · weight ×1.10 · opponent 1585
−63
→ 1637
W
Toshitora Yoshi (no page: counted as 1100)
Vacant OPBF lightweight title
Feb 15, 2026 · UD 10/10 · weight ×1.10
+8
→ 1700
D
Yudai Murakami (no page: counted as 1100)
Vacant Japanese lightweight title
May 3, 2025 · MD 10/10 · weight ×1.10
−37
→ 1692
W
Aoki Christianno (no page: counted as 1100)
Nov 21, 2024 · UD 8/8 · weight ×1.00
+7
→ 1729
L
Hironori Mishiro
Lost Japanese title
Apr 9, 2024 · UD 10/10 · weight ×1.10 · opponent 1916
−36
→ 1722
W
Yudai Murakami (no page: counted as 1100)
Japanese title, 1st defence
Dec 24, 2023 · UD 10/10 · weight ×1.10
+7
→ 1758
W
Shu Utsuki
Won Japanese title
Apr 26, 2023 · KO 3/10 · weight ×1.05 · opponent 1949
+100
→ 1751
W
Ken Koibuchi (no page: counted as 1100)
Oct 11, 2022 · MD 8/8 · weight ×1.00
+10
→ 1651
W
Katsuya Yasuda
Feb 28, 2022 · MD 8/8 · weight ×1.00 · opponent 1751
+80
→ 1640
L
Shuichiro Yoshino
For Japanese lightweight title
Aug 12, 2021 · TKO 6/10 · weight ×1.10 · opponent 1948
−20
→ 1560
D
Yoshimitsu Kimura
Nov 21, 2020 · MD 8/8 · weight ×1.00 · opponent 1578
−1
→ 1580
W
Masayuki Awata (no page: counted as 1100)
Feb 9, 2020 · TKO 4/10 · weight ×1.00
+19
→ 1581
W
Kanta Fukui (no page: counted as 1100)
Aug 24, 2019 · UD 6/6 · weight ×0.90
+19
→ 1562
W
Lawrence Rosas (no page: counted as 1100)
Mar 21, 2019 · UD 8/8 · weight ×1.00
+24
→ 1543
D
Bergel Puton (no page: counted as 1100)
Jun 20, 2018 · TD 1/8 · weight ×1.00
−54
→ 1520
W
Chanchai Suksarsonkrochenmmai (no page: counted as 1100)
Mar 11, 2018 · KO 3/8 · weight ×1.00
+24
→ 1574
L
Hironori Mishiro
Oct 16, 2017 · UD 6/6 · weight ×0.90 · opponent 1643
−86
→ 1550
W
Sun Saknaron (no page: counted as 1100)
Jun 3, 2017 · TKO 2/6 · weight ×1.00
+26
→ 1636
D
Teppei Kayanuma (no page: counted as 1100)
Dec 20, 2015 · MD 5/5 · weight ×0.90
−82
→ 1610
W
Yuto Nagano (no page: counted as 1100)
Nov 15, 2015 · KO 5/5 · weight ×1.00
+24
→ 1693
Show all 24 counted bouts
W
Kevin Mendoza (no page: counted as 1100)
Sep 20, 2015 · KO 1/4 · weight ×1.00
+29
→ 1668
W
Hiromichi Kurokawa (no page: counted as 1100)
Jul 20, 2015 · UD 4/4 · weight ×0.80
+28
→ 1640
W
Fever Maki (no page: counted as 1100)
Jun 7, 2015 · KO 3/4 · weight ×1.00
+45
→ 1611
W
Takanari Hama (no page: counted as 1100)
Apr 5, 2015 · KO 1/4 · weight ×1.00
+66
→ 1566

Publishers and Boxerbook

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

WBC as of 2026-10-01
#29
WBA
not in top 15
IBF as of 2026-10-07
#9
WBO
not in top 15
Ring
not in top 15
TBRB
not in top 15
Boxerbook
#33

How the Boxerbook rating works · Shuma Nakazato: record and titles