Boxers / Jirolian Riku / Boxerbook rating

Jirolian Riku: Boxerbook rating

Jirolian Riku has a Boxerbook rating of 1637 ± 154 from 20 counted bouts, as of Oct 13, 2026. Not in a division list: inactive since Jun 2025 (no bout for 12 months).

Rating1637 ± 154
Placenot listed
Counted bouts20
Unknown opponents14 of 20
Schedule, career1235
Schedule, 36 months1288
Form, last 52.8 of 3.5
Data confidence25%
Statusinactive since Jun 2025

Rating over time

high 1642 · low 1338Nov 2014Oct 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 20 bouts.

W
Salar Chan (no page: counted as 1100)
Jun 25, 2025 · UD 8/8 · weight ×1.00
+10
→ 1637
W
Riku Nagahama
Dec 11, 2024 · TKO 2/8 · weight ×1.00 · opponent 1475
+39
→ 1627
L
Shu Utsuki
Japanese title, 2nd defence
Nov 17, 2022 · TKO 3/10 · weight ×1.05 · opponent 1925
−20
→ 1588
W
Yuichiro Kasuya (no page: counted as 1100)
Mar 28, 2022 · TKO 5/8 · weight ×1.00
+12
→ 1608
W
Yuji Hashimoto (no page: counted as 1100)
Aug 10, 2021 · TKO 2/8 · weight ×1.00
+12
→ 1597
W
Takuya Ota (no page: counted as 1100)
Dec 9, 2020 · TKO 1/8 · weight ×1.00
+13
→ 1585
W
Kanta Takenaka
Sep 8, 2020 · TKO 1/8 · weight ×1.00 · opponent 1347
+34
→ 1572
W
Ikemen Atsushi (no page: counted as 1100)
Dec 11, 2019 · UD 8/8 · weight ×1.00
+17
→ 1538
W
Ken Matsusawa (no page: counted as 1100)
Sep 20, 2019 · TKO 2/6 · weight ×1.00
+19
→ 1521
L
Ryuki Ishii (no page: counted as 1100)
Dec 10, 2018 · UD 6/6 · weight ×0.90
−87
→ 1502
L
Musashi Mori
Dec 23, 2017 · UD 5/5 · weight ×0.90 · opponent 1674
−54
→ 1589
W
Takehiro Imai (no page: counted as 1100)
Nov 3, 2017 · TKO 3/5 · weight ×1.00
+15
→ 1642
W
Hiroyuki Ezawa (no page: counted as 1100)
Sep 26, 2017 · TKO 4/4 · weight ×1.00
+16
→ 1628
W
Shinnosuke Saito
Aug 1, 2017 · TKO 1/4 · weight ×1.00 · opponent 1377
+50
→ 1611
W
Tomohiro Kakuta (no page: counted as 1100)
Jun 15, 2017 · TKO 3/4 · weight ×1.00
+26
→ 1561
W
Tomohiro Kanno (no page: counted as 1100)
Apr 3, 2017 · TKO 3/4 · weight ×1.00
+32
→ 1535
W
Zappa Tokyo (no page: counted as 1100)
Oct 6, 2016 · TKO 1/4 · weight ×1.00
+39
→ 1503
W
Kohei Ogawa (no page: counted as 1100)
Apr 26, 2016 · KO 4/4 · weight ×1.00
+52
→ 1464
W
Yuki Isobe (no page: counted as 1100)
Dec 11, 2015 · KO 1/4 · weight ×1.00
+75
→ 1413
L
Hiroshi Yamamoto
Nov 26, 2014 · TKO 4 · weight ×1.00 · opponent 1500
−162
→ 1338

Publishers and Boxerbook

Consensus: no publisher lists for the division (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
not listed

How the Boxerbook rating works · Jirolian Riku: record and titles