Boxers / Masamichi Yabuki / Boxerbook rating

Masamichi Yabuki: Boxerbook rating

Masamichi Yabuki is #2 in the Boxerbook flyweight list with a rating of 2031 ± 117 from 25 counted bouts, as of Oct 13, 2026.

Rating2031 ± 117
Place#2 in Flyweight
Counted bouts25
Unknown opponents11 of 25
Schedule, career1469
Schedule, 36 months1662
Form, last 53.5 of 3.5
Data confidence52%
Statusactive · last bout Jun 6, 2026

Rating over time

high 2031 · low 1487Mar 2016Oct 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: 11 of 25 bouts.

W
Rene Calixto Bibiano
IBF title, 2nd defence
Jun 6, 2026 · UD 12/12 · weight ×1.65 · opponent 1370
+4
→ 2031
W
Felix Alvarado
For IBF flyweight title
Dec 27, 2025 · KO 12/12 · weight ×1.65 · opponent 1910
+46
→ 2027
W
Angel Ayala
Won IBF flyweight title
Mar 29, 2025 · TKO 12/12 · weight ×1.65 · opponent 2147
+100
→ 1980
W
Sivenathi Nontshinga
Won IBF light-flyweight title
Oct 12, 2024 · TKO 9/12 · weight ×1.65 · opponent 1783
+58
→ 1880
W
Kevin Vivas (no page: counted as 1100)
Mar 16, 2024 · TKO 4/10 · weight ×1.05
+4
→ 1822
W
Ronald Chacon (no page: counted as 1100)
IBF Light flyweight
Jan 28, 2023 · TKO 11/12 · weight ×1.65
+6
→ 1818
W
Thanongsak Simsri
Sep 10, 2022 · TKO 7/10 · weight ×1.05 · opponent 1889
+56
→ 1812
L
Ken Shiro
For WBC light-flyweight title
Mar 19, 2022 · KO 3/12 · weight ×1.65 · opponent 2036
−32
→ 1756
W
Ken Shiro
Won WBC light-flyweight title
Sep 22, 2021 · TKO 10/12 · weight ×1.65 · opponent 2156
+160
→ 1788
W
Toshimasa Ouchi (no page: counted as 1100)
Retained Japanese light-flyweight title
Dec 26, 2020 · UD 10/10 · weight ×1.10
+10
→ 1628
W
Tsuyoshi Sato (no page: counted as 1100)
Won vacant Japanese light-flyweight title
Jul 26, 2020 · KO 1/10 · weight ×1.10
+10
→ 1618
W
Rikito Shiba
Japanese light flyweight title eliminator
Dec 15, 2019 · TKO 4/8 · weight ×1.05 · opponent 1674
+57
→ 1608
W
Ryūto Ōbo
May 1, 2019 · TKO 6/8 · weight ×1.00 · opponent 1470
+48
→ 1551
W
Bae Min-Chul (no page: counted as 1100)
Jan 27, 2019 · TKO 5/8 · weight ×1.00
+16
→ 1504
L
Daniel Matellon
Sep 29, 2018 · SD 8/8 · weight ×1.00 · opponent 1596
−50
→ 1487
W
Gilberto Pedroza (no page: counted as 1100)
Jun 17, 2018 · KO 2/8 · weight ×1.00
+17
→ 1537
L
Seigo Yuri Akui
Apr 8, 2018 · TKO 1/8 · weight ×1.00 · opponent 1675
−69
→ 1519
L
Seigo Yuri Akui
Apr 6, 2018 · TKO 1 · weight ×1.00 · opponent 1675
−69
→ 1519
W
Masashi Tada (no page: counted as 1100)
Nov 26, 2017 · TKO 1/6 · weight ×0.90
+17
→ 1658
W
Masaki Hirai (no page: counted as 1100)
Jul 16, 2017 · TKO 2/6 · weight ×0.90
+19
→ 1641
Show all 25 counted bouts
W
Kim Kwang-Min (no page: counted as 1100)
Mar 26, 2017 · TKO 1/4 · weight ×0.80
+19
→ 1621
L
Junto Nakatani
Dec 23, 2016 · UD 4/4 · weight ×0.80 · opponent 1728
−89
→ 1602
W
Ryōsuke Nasu
Nov 6, 2016 · KO 1/4 · weight ×0.80 · opponent 1519
+96
→ 1691
W
Kiyoshi Nakamura (no page: counted as 1100)
Aug 7, 2016 · TKO 1/4 · weight ×0.80
+40
→ 1595
W
Shohei Horii (no page: counted as 1100)
Mar 27, 2016 · TKO 1/4 · weight ×0.80
+55
→ 1555

Publishers and Boxerbook

Consensus: average place 8.8 in Flyweight (a list without them counts as 16).

WBC
not in top 15
WBA
not in top 15
IBF as of 2026-10-06
champion
WBO
not in top 15
Ring as of 2026-08-31
#2
TBRB as of 2026-10-11
#2
Boxerbook
#2

How the Boxerbook rating works · Masamichi Yabuki: record and titles