Boxers / Ryōsuke Iwasa / Boxerbook rating
Ryōsuke Iwasa: Boxerbook rating Ryōsuke Iwasa has a Boxerbook rating of 1917 ± 131 from 36 counted bouts, as of Oct 13, 2026. Not in a division list: inactive since Apr 2023 (no bout for 12 months).
Rating 1917 ± 131
Place not listed
Counted bouts 36
Unknown opponents 19 of 36
Schedule, career 1406
Schedule, 36 months no bouts
Form, last 5 1.9 of 3.5
Data confidence 42%
Status inactive since Apr 2023
Rating over time high 1960 · low 1561 Aug 2008 Apr 2023 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: 19 of 36 bouts.
L
Apr 15, 2023 · UD 8/8 · weight ×1.00 · opponent 1766
W
Oct 25, 2022 · KO 4/10 · weight ×1.00 · opponent 1846
W
Oct 25, 2021 · KO 4/10 · weight ×1.05 · opponent 1889
L
For WBA and IBF super-bantamweight titles Apr 3, 2021 · TKO 5/12 · weight ×1.65 · opponent 2128
W
Won IBF interim super-bantamweight title Dec 7, 2019 · TKO 11/12 · weight ×1.32 · opponent 2002
W
Cesar Juarez (no page: counted as 1100)
Feb 16, 2019 · TD 10/12 · weight ×1.65
L
Lost IBF super-bantamweight title Aug 16, 2018 · UD 12/12 · weight ×1.65 · opponent 1957
W
Ernesto Saulong (no page: counted as 1100)
Retained IBF super-bantamweight title Mar 1, 2018 · UD 10/12 · weight ×1.57
W
Won IBF super bantamweight title Sep 13, 2017 · TKO 6/12 · weight ×1.65 · opponent 1922
W
Glenn Medura (no page: counted as 1100)
Mar 2, 2017 · TKO 3/8 · weight ×1.00
W
Luis Rosa (no page: counted as 1100)
Nov 19, 2016 · KO 3 · weight ×1.50
W
Jul 12, 2016 · KO 3/10 · weight ×1.05 · opponent 1408
W
Feb 6, 2016 · KO 7/10 · weight ×1.05 · opponent 1426
W
Marlon Arcilla (no page: counted as 1100)
Nov 24, 2015 · TD 5/10 · weight ×1.05
L
For IBF interim bantamweight title Jun 13, 2015 · TKO 6/12 · weight ×1.32 · opponent 1957
L
For interim IBF bantamweight title May 16, 2015 · TKO 6/12 · weight ×1.32 · opponent 1911
W
Ricardo Roa (no page: counted as 1100)
Feb 18, 2015 · TKO 2/10 · weight ×1.05
W
Rommy Wassar (no page: counted as 1100)
Sep 6, 2014 · KO 2/10 · weight ×1.05
W
Richard Pumicpic (no page: counted as 1100)
Retained OPBF bantamweight title Mar 25, 2014 · MD 12/12 · weight ×1.16
W
Won OPBF bantamweight title Dec 6, 2013 · TKO 5/12 · weight ×1.16 · opponent 1697
Show all 36 counted bouts W
Jecker Buhawe (no page: counted as 1100)
Jul 6, 2013 · UD 10/10 · weight ×1.05
W
Mar 2, 2013 · UD 10/10 · weight ×1.05 · opponent 1260
W
Oct 27, 2012 · UD 10/10 · weight ×1.05 · opponent 1831
W
Retained Japanese bantamweight title Jul 7, 2012 · TKO 7/10 · weight ×1.10 · opponent 1500
W
Yuki Murai (no page: counted as 1100)
Retained Japanese bantamweight title Mar 3, 2012 · KO 1/10 · weight ×1.10
W
Jerope Mercado (no page: counted as 1100)
Won Japanese bantamweight title Nov 18, 2011 · UD 10/10 · weight ×1.10
W
Rasmanudin (no page: counted as 1100)
Aug 6, 2011 · KO 2/8 · weight ×1.00
L
For Japanese bantamweight title Mar 5, 2011 · TKO 10/10 · weight ×1.10 · opponent 1790
W
Kinshiro Usui (no page: counted as 1100)
Sep 5, 2010 · TKO 4/8 · weight ×1.00
W
Yuki Sato (no page: counted as 1100)
Apr 15, 2010 · TKO 2/8 · weight ×1.00
W
Jan 16, 2010 · UD 8/8 · weight ×1.00 · opponent 1430
W
Falazona Fidal (no page: counted as 1100)
Sep 5, 2009 · TKO 7/8 · weight ×1.00
W
Worawut Muangsima (no page: counted as 1100)
May 16, 2009 · KO 2/8 · weight ×1.00
W
Ginzo Hanaki (no page: counted as 1100)
Feb 21, 2009 · TKO 1/6 · weight ×0.90
W
Edgar Allende (no page: counted as 1100)
Oct 16, 2008 · UD 6/6 · weight ×0.90
W
Shinya Takahashi (no page: counted as 1100)
Aug 2, 2008 · TKO 5/6 · weight ×0.90
Publishers and Boxerbook Consensus: no publisher lists for the division (a list without them counts as 16).
How the Boxerbook rating works · Ryōsuke Iwasa: record and titles