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Jack Siahaya vs Toshiaki Nishioka — record, stats and common opponents compared

Jack Siahaya

🇯🇵JAPAN

Toshiaki Nishioka

Jack Siahaya (0-5 across 5 tracked bouts) and Toshiaki Nishioka (39-5-3) 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.

Siahaya

Tracked record

0–5

counted from 5 bouts Kill The Body has ingested

Nishioka

39

Wins24 KO · 62%

5

Losses

3

Draws47 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

Nishioka leads 1–0

Jack Siahaya and Toshiaki Nishioka have met 1 time; Nishioka leads 1–0.

Jack Siahaya and Toshiaki Nishioka have met 1 time; Nishioka leads 1–0.
Met1998Jun 29Series
Jack SiahayaFighter ALLost0–1W–L
Toshiaki NishiokaFighter BWWon1–0W–L
ResultKOR11Meeting

The Numbers

Siahaya 0 · Nishioka 6 of 6 measurable rows
SiahayaNishioka
Record†
0-539-5-3 (edge)
Win %0–100%
0%
86.2% (edge)
Wins by knockoutmax 24
0
24 (edge)
KO ratenot comparable
—61.54%
Stoppage rate (tracked wins)‡not comparable
—62%
Times stopped‡max 4
4
2 (edge)
Title reignsmax 2
0
2 (edge)
Bouts per year§max 2.6
0.8
2.6 (edge)
Bouts trackedcoveragemax 47
5
47

† 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
Jack Siahaya: No height on file
Toshiaki Nishioka: 5′7″
Reachnot held
Jack Siahaya: No reach on file
Toshiaki Nishioka: 69″
Agenot held
Jack Siahaya: No date of birth
Toshiaki Nishioka: 50
Stance
Jack Siahaya: Not recorded
Toshiaki Nishioka: Southpaw

Jack Siahaya left, Toshiaki Nishioka right, as everywhere on this page. Age is stated, not scored — neither age nor stance carries an edge.

How They Win

Tracked bouts only
Jack Siahaya0 wins · from 5 tracked bouts

Jack Siahaya: no tracked wins in the 5 bouts Kill The Body has ingested.

No tracked wins for Siahaya yet.

Toshiaki Nishioka39 wins · from 47 tracked bouts

Toshiaki Nishioka: 39 tracked wins — 24 by KO/TKO (62%), 14 on the cards (36%) and 1 by another method or unrecorded (3%). Counted from 47 bouts Kill The Body has ingested.

24 by KO/TKO 62%14 on the cards 36%1 by another method or unrecorded 3%

One square per tracked win. Counted from the bouts Kill The Body has ingested for each fighter — Jack Siahaya 5, Toshiaki Nishioka 47 — 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

Jack Siahaya last boxed on May 20, 2000 — 9,658 days ago. Siahaya had lost five straight.LLLLL

Sasakul May 1994Rachman May 1995Sithoar Oct 1996Nishioka Jun 1998Tokuyama May 20000.8 tracked bouts per year

Toshiaki Nishioka last boxed on Oct 13, 2012 — 5,128 days ago. Nishioka had won four in a row before losing by stoppage to Nonito Donaire.WWWWL

Bangoyan Apr 2010Munroe Oct 2010Muñoz Apr 2011Méndez Oct 2011Donaire Oct 20122.6 tracked bouts per year

Common Questions

With the rows behind them
Have Jack Siahaya and Toshiaki Nishioka ever fought each other?
Yes. Jack Siahaya and Toshiaki Nishioka met once on June 29, 1998, and Toshiaki Nishioka won by KO in round 1.
The meeting

LJun 29, 1998 · Nishioka · KO R1

Head to Head ↓
Who has the better record, Siahaya or Nishioka?
Jack Siahaya is 0-5 across the 5 bouts Kill The Body has tracked and Toshiaki Nishioka is 39-5-3. Toshiaki Nishioka has the higher win percentage. Records shown as tracked have not yet been independently verified as complete career totals.
Records · win %

Siahaya0–50%

Nishioka39–5–386.2%

The Numbers ↓
Who has more knockouts, Siahaya or Nishioka?
Jack Siahaya has 0 knockout wins and Toshiaki Nishioka has 24. Toshiaki Nishioka has more.
Knockout wins · KO rate

Siahaya0

Nishioka2461.5%

The Numbers ↓
Do Siahaya and Nishioka have any common opponents?
Kill The Body's bout data shows no opponents that both Jack Siahaya and Toshiaki Nishioka have faced.
How much fight data does Kill The Body have on Siahaya and Nishioka?
This comparison is drawn from 5 bouts tracked for Jack Siahaya and 47 bouts tracked for Toshiaki Nishioka. Method and activity splits reflect those bouts only.
Bouts tracked · no edge

Siahaya5bouts

Nishioka47bouts

How They Win ↓

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