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Kill The Body

and the head will die

Kinshiro Usui vs Ryōsuke Iwasa — record, stats and common opponents compared

Kinshiro Usui

🇯🇵JAPAN

Ryōsuke Iwasa

Kinshiro Usui (0-1 across 1 tracked bouts) and Ryōsuke Iwasa (28-5) are compared on record, finishing method, activity, and common opponents on Kill The Body. The two have met once. They share no common opponents in Kill The Body's bout data.

Usui

Tracked record

0–1

counted from 1 bout Kill The Body has ingested

Iwasa

28

Wins18 KO · 64%

5

Losses

0

Draws33 tracked bouts

Heads up: at least one of these records is a tracked record — the wins and losses Kill The Body has ingested so far, not an independently verified career total. Treat the comparison as a read on the bouts we hold, not a settled ledger.

Head to Head

Iwasa leads 1–0

Kinshiro Usui and Ryōsuke Iwasa have met 1 time; Iwasa leads 1–0.

Kinshiro Usui and Ryōsuke Iwasa have met 1 time; Iwasa leads 1–0.
Met2010Sep 5Series
Kinshiro UsuiFighter ALLost0–1W–L
Ryōsuke IwasaFighter BWWon1–0W–L
ResultTKOR41Meeting

The Numbers

Usui 1 · Iwasa 3 of 4 measurable rows
UsuiIwasa
Record†
0-128-5 (edge)
Win %0–100%
0%
84.8% (edge)
Wins by knockoutmax 18
0
18 (edge)
KO ratenot comparable
—64.29%
Stoppage rate (tracked wins)‡not comparable
—64%
Times stopped‡max 3
1 (edge)
3
Title reignslevelmax 0
0
0
Bouts per year§not comparable
—2.2
Bouts trackedcoveragemax 33
1
33

† One or both records are tracked, not career-verified. · ‡ Counted from bouts Kill The Body has ingested, not a career total. · § Across each fighter's tracked career span. · Bars are scaled per row — percentages on 0–100, counts against the larger of the two. Every figure is also printed as text.

Tale of the Tape

Heightnot held
Kinshiro Usui: No height on file
Ryōsuke Iwasa: 5′7″
Reachnot held
Kinshiro Usui: No reach on file
Ryōsuke Iwasa: 71″
Agenot held
Kinshiro Usui: No date of birth
Ryōsuke Iwasa: 36
Stance
Kinshiro Usui: Not recorded
Ryōsuke Iwasa: Southpaw

Kinshiro Usui left, Ryōsuke Iwasa right, as everywhere on this page. Age is stated, not scored — neither age nor stance carries an edge.

How They Win

Tracked bouts only
Kinshiro Usui0 wins · from 1 tracked bout

Kinshiro Usui: no tracked wins in the 1 bout Kill The Body has ingested.

No tracked wins for Usui yet.

Ryōsuke Iwasa28 wins · from 33 tracked bouts

Ryōsuke Iwasa: 28 tracked wins — 18 by KO/TKO (64%), 8 on the cards (29%) and 2 by another method or unrecorded (7%). Counted from 33 bouts Kill The Body has ingested.

18 by KO/TKO 64%8 on the cards 29%2 by another method or unrecorded 7%

One square per tracked win. Counted from the bouts Kill The Body has ingested for each fighter — Kinshiro Usui 1, Ryōsuke Iwasa 33 — not from a career-complete method table.

Common Opponents

No opponents in common across the bouts Kill The Body has tracked for these two.

Current Form

Oldest left · newest right

Kinshiro Usui last boxed on Sep 5, 2010 — 5,887 days ago. Usui had lost the most recent, to Ryōsuke Iwasa.L

Iwasa Sep 2010

Ryōsuke Iwasa last boxed on Apr 15, 2023 — 1,282 days ago. Iwasa had won one in a row before losing a decision to Japhethlee Llamido.WWLWL

Juarez Feb 2019Tapales Dec 2019Akhmadaliev Apr 2021Servania Oct 2021Llamido Apr 20232.2 tracked bouts per year

Common Questions

With the rows behind them
Have Kinshiro Usui and Ryōsuke Iwasa ever fought each other?
Yes. Kinshiro Usui and Ryōsuke Iwasa met once on September 5, 2010, and Ryōsuke Iwasa won by TKO in round 4.
The meeting

LSep 5, 2010 · Iwasa · TKO R4

Head to Head ↓
Who has the better record, Usui or Iwasa?
Kinshiro Usui is 0-1 across the 1 bouts Kill The Body has tracked and Ryōsuke Iwasa is 28-5. Ryōsuke Iwasa has the higher win percentage. Records shown as tracked have not yet been independently verified as complete career totals.
Records · win %

Usui0–10%

Iwasa28–584.8%

The Numbers ↓
Who has more knockouts, Usui or Iwasa?
Kinshiro Usui has 0 knockout wins and Ryōsuke Iwasa has 18. Ryōsuke Iwasa has more.
Knockout wins · KO rate

Usui0

Iwasa1864.3%

The Numbers ↓
Do Usui and Iwasa have any common opponents?
Kill The Body's bout data shows no opponents that both Kinshiro Usui and Ryōsuke Iwasa have faced.
How much fight data does Kill The Body have on Usui and Iwasa?
This comparison is drawn from 1 bout tracked for Kinshiro Usui and 33 bouts tracked for Ryōsuke Iwasa. Method and activity splits reflect those bouts only.
Bouts tracked · no edge

Usui1bout

Iwasa33bouts

How They Win ↓

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