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Kill The Body

and the head will die

Kazuki Koyanagi vs Ryuya Yamanaka — record, stats and common opponents compared

🇯🇵JAPAN

Kazuki Koyanagi

🇯🇵JAPAN

Ryuya Yamanaka

Kazuki Koyanagi (0-1 across 1 tracked bout) and Ryuya Yamanaka (20-4) 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.

Koyanagi

Tracked record

0–1

counted from 1 bout Kill The Body has ingested

Yamanaka

20

Wins7 KO · 35%

4

Losses

0

Draws24 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

Yamanaka leads 1–0

Kazuki Koyanagi and Ryuya Yamanaka have met 1 time; Yamanaka leads 1–0.

Kazuki Koyanagi and Ryuya Yamanaka have met 1 time; Yamanaka leads 1–0.
Met2012Jun 22Series
Kazuki KoyanagiFighter ALLost0–1W–L
Ryuya YamanakaFighter BWWon1–0W–L
ResultUD1Meeting

The Numbers

Koyanagi 1 · Yamanaka 4 of 5 measurable rows
KoyanagiYamanaka
Record†
0-120-4 (edge)
Win %0–100%
0%
83.3% (edge)
Wins by knockoutmax 7
0
7 (edge)
KO ratenot comparable
—35%
Stoppage rate (tracked wins)‡not comparable
—35%
Times stopped‡max 2
0 (edge)
2
Title reignsmax 1
0
1 (edge)
Bouts per year§not comparable
—2
Bouts trackedcoveragemax 24
1
24

† 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
Kazuki Koyanagi: No height on file
Ryuya Yamanaka: 5′4″
Reachnot held
Kazuki Koyanagi: No reach on file
Ryuya Yamanaka: 67″
Agenot held
Kazuki Koyanagi: No date of birth
Ryuya Yamanaka: 31
Stance
Kazuki Koyanagi: Not recorded
Ryuya Yamanaka: Orthodox

Kazuki Koyanagi left, Ryuya Yamanaka right, as everywhere on this page. Age is stated, not scored — neither age nor stance carries an edge.

How They Win

Tracked bouts only
Kazuki Koyanagi0 wins · from 1 tracked bout

Kazuki Koyanagi: no tracked wins in the 1 bout Kill The Body has ingested.

No tracked wins for Koyanagi yet.

Ryuya Yamanaka20 wins · from 24 tracked bouts

Ryuya Yamanaka: 20 tracked wins — 7 by KO/TKO (35%) and 13 on the cards (65%). Counted from 24 bouts Kill The Body has ingested.

7 by KO/TKO 35%13 on the cards 65%

One square per tracked win. Counted from the bouts Kill The Body has ingested for each fighter — Kazuki Koyanagi 1, Ryuya Yamanaka 24 — 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

Kazuki Koyanagi last boxed on Jun 22, 2012 — 5,240 days ago. Koyanagi had lost the most recent, to Ryuya Yamanaka.L

Yamanaka Jun 2012

Ryuya Yamanaka last boxed on Jun 23, 2024 — 856 days ago. Yamanaka had won once since losing by stoppage to Jayson Vayson.WWWLW

Sudo Mar 2022Taconing Aug 2022Ando May 2023Vayson Dec 2023Taosuwan Jun 20242 tracked bouts per year

Common Questions

With the rows behind them
Have Kazuki Koyanagi and Ryuya Yamanaka ever fought each other?
Yes. Kazuki Koyanagi and Ryuya Yamanaka met once on June 22, 2012, and Ryuya Yamanaka won by UD.
The meeting

LJun 22, 2012 · Yamanaka · UD

Head to Head ↓
Who has the better record, Koyanagi or Yamanaka?
Kazuki Koyanagi is 0-1 across the 1 bout Kill The Body has tracked and Ryuya Yamanaka is 20-4. Ryuya Yamanaka has the higher win percentage. Records shown as tracked have not yet been independently verified as complete career totals.
Records · win %

Koyanagi0–10%

Yamanaka20–483.3%

The Numbers ↓
Who has more knockouts, Koyanagi or Yamanaka?
Kazuki Koyanagi has 0 knockout wins and Ryuya Yamanaka has 7. Ryuya Yamanaka has more.
Knockout wins · KO rate

Koyanagi0

Yamanaka735%

The Numbers ↓
Do Koyanagi and Yamanaka have any common opponents?
Kill The Body's bout data shows no opponents that both Kazuki Koyanagi and Ryuya Yamanaka have faced.
How much fight data does Kill The Body have on Koyanagi and Yamanaka?
This comparison is drawn from 1 bout tracked for Kazuki Koyanagi and 24 bouts tracked for Ryuya Yamanaka. Method and activity splits reflect those bouts only.
Bouts tracked · no edge

Koyanagi1bout

Yamanaka24bouts

How They Win ↓

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