Boxers / Sumire Yamanaka / Boxerbook rating

Sumire Yamanaka: Boxerbook rating

Sumire Yamanaka is #1 in the Boxerbook women’s atomweight list with a rating of 1879 ± 150 from 11 counted bouts, as of Oct 13, 2026.

Rating1879 ± 150
Place#1 in Women’s Atomweight
Counted bouts11
Unknown opponents7 of 11
Schedule, career1326
Schedule, 36 months1622
Form, last 52.8 of 3.5
Data confidence27%
Statusactive · last bout Apr 7, 2026

Rating over time

high 1879 · low 1555Dec 2020Oct 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: 7 of 11 bouts.

W
Nao Ugawa
Vacant IBF world women's atomweight title
Apr 7, 2026 · SD 10/10 · weight ×1.57 · opponent 1804
+80
→ 1879
W
Megumi Watanabe (no page: counted as 1100)
Oct 25, 2025 · UD 8/8 · weight ×1.00
+7
→ 1799
L
Christina Rupprecht
For WBA, WBC, WBO and The Ring female atomweight titles
Apr 5, 2025 · MD 10/10 · weight ×1.57 · opponent 1976
−79
→ 1792
W
Mika Iwakawa
Won IBF female atomweight title
Jan 12, 2024 · UD 10/10 · weight ×1.57 · opponent 1606
+76
→ 1872
W
Pimchanok Sepjanda (no page: counted as 1100)
WBO Asia Pacific title, 1st defence
Apr 15, 2023 · TKO 3/8 · weight ×1.50
+19
→ 1796
W
Honoka Kano
Vacant WBO Asia Pacific women's atomweight title
Sep 1, 2022 · TKO 5/8 · weight ×1.50 · opponent 1500
+97
→ 1777
W
Petchdalar Sittakuntao (no page: counted as 1100)
May 28, 2022 · TKO 3 · weight ×1.00
+27
→ 1680
W
Natsuki Tarui (no page: counted as 1100)
Dec 18, 2021 · SD 4/6 · weight ×0.80
+26
→ 1653
W
Osamu Murai (no page: counted as 1100)
Aug 11, 2021 · UD 4/4 · weight ×0.80
+32
→ 1627
W
Natsusae Yamada (no page: counted as 1100)
Apr 4, 2021 · MD 4/4 · weight ×0.80
+40
→ 1595
W
Yuka Shimono (no page: counted as 1100)
Dec 13, 2020 · UD 4/4 · weight ×0.80
+55
→ 1555

Publishers and Boxerbook

Consensus: not in the publishers’ top 15 in Women’s Atomweight (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
#1

How the Boxerbook rating works · Sumire Yamanaka: record and titles