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Kill The Body

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Koichi Wajima vs Sozo Yamamoto — record, stats and common opponents compared

🇯🇵SUPER WELTERWEIGHT

Koichi Wajima

Sozo Yamamoto

Koichi Wajima (31-6-1) and Sozo Yamamoto (0-1 across 1 tracked bout) 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.

Wajima

31

Wins25 KO · 81%

6

Losses

1

Draw38 tracked bouts

Yamamoto

Tracked record

0–1

counted from 1 bout Kill The Body has ingested

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

Wajima leads 1–0

Koichi Wajima and Sozo Yamamoto have met 1 time; Wajima leads 1–0.

Koichi Wajima and Sozo Yamamoto have met 1 time; Wajima leads 1–0.
Met1968Oct 27Series
Koichi WajimaFighter AWWon1–0W–L
Sozo YamamotoFighter BLLost0–1W–L
ResultKOR11Meeting

The Numbers

Wajima 4 · Yamamoto 1 of 5 measurable rows
WajimaYamamoto
Record†
31-6-1 (edge)0-1
Win %0–100%
82.9% (edge)
0%
Wins by knockoutmax 25
25 (edge)
0
KO ratenot comparable
80.65%—
Stoppage rate (tracked wins)‡not comparable
81%—
Times stopped‡max 5
5
1 (edge)
Title reignsmax 7
7 (edge)
0
Bouts per year§not comparable
4.2—
Bouts trackedcoveragemax 38
38
1

† 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
Koichi Wajima: 5′7″
Sozo Yamamoto: No height on file
Agenot held
Koichi Wajima: 83
Sozo Yamamoto: No date of birth
Stance
Koichi Wajima: Orthodox
Sozo Yamamoto: Not recorded

Koichi Wajima left, Sozo Yamamoto right, as everywhere on this page. Age is stated, not scored — neither age nor stance carries an edge.

How They Win

Tracked bouts only
Koichi Wajima31 wins · from 38 tracked bouts

Koichi Wajima: 31 tracked wins — 25 by KO/TKO (81%) and 6 on the cards (19%). Counted from 38 bouts Kill The Body has ingested.

25 by KO/TKO 81%6 on the cards 19%

Sozo Yamamoto0 wins · from 1 tracked bout

Sozo Yamamoto: no tracked wins in the 1 bout Kill The Body has ingested.

No tracked wins for Yamamoto yet.

One square per tracked win. Counted from the bouts Kill The Body has ingested for each fighter — Koichi Wajima 38, Sozo Yamamoto 1 — 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

Koichi Wajima last boxed on Jun 7, 1977 — 18,034 days ago. Wajima had lost two straight, after one straight win.WLWLL

Albarado Jan 1975Jae-doo Jun 1975Jae-doo Feb 1976Durán May 1976Gazo Jun 19774.2 tracked bouts per year

Sozo Yamamoto last boxed on Oct 27, 1968 — 21,179 days ago. Yamamoto had lost the most recent, to Koichi Wajima.L

Wajima Oct 1968

Common Questions

With the rows behind them
Have Koichi Wajima and Sozo Yamamoto ever fought each other?
Yes. Koichi Wajima and Sozo Yamamoto met once on October 27, 1968, and Koichi Wajima won by KO in round 1.
The meeting

WOct 27, 1968 · Wajima · KO R1

Head to Head ↓
Who has the better record, Wajima or Yamamoto?
Koichi Wajima is 31-6-1 and Sozo Yamamoto is 0-1 across the 1 bout Kill The Body has tracked. Koichi Wajima has the higher win percentage. Records shown as tracked have not yet been independently verified as complete career totals.
Records · win %

Wajima31–6–182.9%

Yamamoto0–10%

The Numbers ↓
Who has more knockouts, Wajima or Yamamoto?
Koichi Wajima has 25 knockout wins and Sozo Yamamoto has 0. Koichi Wajima has more.
Knockout wins · KO rate

Wajima2580.7%

Yamamoto0

The Numbers ↓
Do Wajima and Yamamoto have any common opponents?
Kill The Body's bout data shows no opponents that both Koichi Wajima and Sozo Yamamoto have faced.
How much fight data does Kill The Body have on Wajima and Yamamoto?
This comparison is drawn from 38 bouts tracked for Koichi Wajima and 1 bout tracked for Sozo Yamamoto. Method and activity splits reflect those bouts only.
Bouts tracked · no edge

Wajima38bouts

Yamamoto1bout

How They Win ↓

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