Boxers / Ruku Sasaki / Boxerbook rating

Ruku Sasaki: Boxerbook rating

Ruku Sasaki is #51 in the Boxerbook welterweight list with a rating of 1479 ± 166 from 15 counted bouts, as of Oct 20, 2026.

Rating1479 ± 166
Place#51 in Welterweight
Counted bouts15
Unknown opponents15 of 15
Schedule, career1100
Schedule, 36 months1100
Form, last 52.8 of 3.5
Data confidence100%
Statusactive · last bout Jul 12, 2026

Rating over time

high 1530 · low 1347May 2021Oct 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: 15 of 15 bouts.

W
Ryuto Sumita (no page: counted as 1100)
Japanese youth super welterweight title
Jul 12, 2026 · UD 8 · weight ×1.05
+22
→ 1479
W
Charnnaronn Injampa (no page: counted as 1100)
Nov 9, 2025 · KO 3/8 · weight ×1.00
+24
→ 1457
L
Kensuke Suzuki (no page: counted as 1100)
Mar 30, 2025 · SD 8 · weight ×1.00
−96
→ 1433
W
Fumiyu Kimura (no page: counted as 1100)
Nov 10, 2024 · TKO 1/8 · weight ×1.00
+21
→ 1530
W
Mitsuyoshi Oshima (no page: counted as 1100)
Aug 24, 2024 · UD 6 · weight ×0.90
+21
→ 1509
W
Yuki Hamashima (no page: counted as 1100)
Jun 30, 2024 · UD 8 · weight ×1.00
+27
→ 1488
W
Rei Nakano (no page: counted as 1100)
Vacant Japanese youth super welterweight title
Feb 4, 2024 · MD 8 · weight ×1.05
+34
→ 1461
W
Kenta Kamimura (no page: counted as 1100)
Nov 12, 2023 · TKO 2/6 · weight ×0.90
+36
→ 1427
W
Mitsuyoshi Oshima (no page: counted as 1100)
Sep 17, 2023 · TKO 2/6 · weight ×0.90
+45
→ 1392
L
Masahiro Misho (no page: counted as 1100)
Apr 16, 2023 · SD 4 · weight ×0.80
−131
→ 1347
W
Ren Matsuoka (no page: counted as 1100)
Nov 27, 2022 · UD 4 · weight ×0.80
+38
→ 1478
D
Mitsuyoshi Oshima (no page: counted as 1100)
Sep 11, 2022 · SD 4 · weight ×0.80
−65
→ 1440
W
Hammer Gorilla (no page: counted as 1100)
Jul 24, 2022 · TKO 2/4 · weight ×0.80
+45
→ 1506
W
Hayato Fukakawa (no page: counted as 1100)
Dec 16, 2021 · UD 4 · weight ×0.80
+62
→ 1461
D
Kenta Komai (no page: counted as 1100)
May 22, 2021 · 4 · weight ×0.80
−101
→ 1399

Publishers and Boxerbook

Consensus: not in the publishers’ top 15 in Welterweight (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
#51

How the Boxerbook rating works · Ruku Sasaki: record and titles