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Kentarō Masuda vs Ryōsuke Iwasa — record, stats and common opponents compared

🇯🇵JAPAN

Kentarō Masuda

🇯🇵JAPAN

Ryōsuke Iwasa

Kentarō Masuda (0-2 across 2 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.

Masuda

Tracked record

0–2

counted from 2 bouts 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

Kentarō Masuda and Ryōsuke Iwasa have met 1 time; Iwasa leads 1–0.

Kentarō Masuda and Ryōsuke Iwasa have met 1 time; Iwasa leads 1–0.
Met2012Jul 7Series
Kentarō MasudaFighter ALLost0–1W–L
Ryōsuke IwasaFighter BWWon1–0W–L
ResultTKOR71Meeting

The Numbers

Masuda 1 · Iwasa 4 of 5 measurable rows
MasudaIwasa
Record†
0-228-5 (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§max 2.2
0.4
2.2 (edge)
Bouts trackedcoveragemax 33
2
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
Kentarō Masuda: No height on file
Ryōsuke Iwasa: 5′7″
Reachnot held
Kentarō Masuda: No reach on file
Ryōsuke Iwasa: 71″
Age7 yrs apart
Kentarō Masuda: 43
Ryōsuke Iwasa: 36
Stance
Kentarō Masuda: Not recorded
Ryōsuke Iwasa: Southpaw

Kentarō Masuda 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
Kentarō Masuda0 wins · from 2 tracked bouts

Kentarō Masuda: no tracked wins in the 2 bouts Kill The Body has ingested.

No tracked wins for Masuda 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 — Kentarō Masuda 2, 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

Kentarō Masuda last boxed on Dec 30, 2017 — 3,217 days ago. Masuda had lost two straight.LL

Iwasa Jul 2012Inoue Dec 20170.4 tracked bouts per year

Ryōsuke Iwasa last boxed on Apr 15, 2023 — 1,285 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 Kentarō Masuda and Ryōsuke Iwasa ever fought each other?
Yes. Kentarō Masuda and Ryōsuke Iwasa met once on July 7, 2012, and Ryōsuke Iwasa won by TKO in round 7.
The meeting

LJul 7, 2012 · Iwasa · TKO R7

Head to Head ↓
Who has the better record, Masuda or Iwasa?
Kentarō Masuda is 0-2 across the 2 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 %

Masuda0–20%

Iwasa28–584.8%

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

Masuda0

Iwasa1864.3%

The Numbers ↓
Do Masuda and Iwasa have any common opponents?
Kill The Body's bout data shows no opponents that both Kentarō Masuda and Ryōsuke Iwasa have faced.
How much fight data does Kill The Body have on Masuda and Iwasa?
This comparison is drawn from 2 bouts tracked for Kentarō Masuda and 33 bouts tracked for Ryōsuke Iwasa. Method and activity splits reflect those bouts only.
Bouts tracked · no edge

Masuda2bouts

Iwasa33bouts

How They Win ↓

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Kentarō Masuda vs Ryōsuke Iwasa — Records, Stats & Common Opponents