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Kill The Body

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Arthur Biyarslanov vs Isaac Castan — record, stats and common opponents compared

🇨🇦SUPER LIGHTWEIGHT

Arthur Biyarslanov

Isaac Castan

Arthur Biyarslanov (21-0) and Isaac Castan (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.

Biyarslanov

21

Wins17 KO · 81%

0

Losses

0

Draws21 tracked bouts

Castan

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

Biyarslanov leads 1–0

Arthur Biyarslanov and Isaac Castan have met 1 time; Biyarslanov leads 1–0.

Arthur Biyarslanov and Isaac Castan have met 1 time; Biyarslanov leads 1–0.
Met2019Feb 9Series
Arthur BiyarslanovFighter AWWon1–0W–L
Isaac CastanFighter BLLost0–1W–L
ResultTKOR11Meeting

The Numbers

Biyarslanov 4 · Castan 0 of 4 measurable rows
BiyarslanovCastan
Record†
21-0 (edge)0-1
Win %0–100%
100% (edge)
0%
Wins by knockoutmax 17
17 (edge)
0
KO ratenot comparable
80.95%—
Stoppage rate (tracked wins)‡not comparable
81%—
Times stopped‡max 1
0 (edge)
1
Title reignslevelmax 0
0
0
Bouts per year§not comparable
2.9—
Bouts trackedcoveragemax 21
21
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
Arthur Biyarslanov: 5′9″
Isaac Castan: No height on file
Agenot held
Arthur Biyarslanov: 31
Isaac Castan: No date of birth
Stance
Arthur Biyarslanov: Southpaw
Isaac Castan: Not recorded

Arthur Biyarslanov left, Isaac Castan right, as everywhere on this page. Age is stated, not scored — neither age nor stance carries an edge.

How They Win

Tracked bouts only
Arthur Biyarslanov21 wins · from 21 tracked bouts

Arthur Biyarslanov: 21 tracked wins — 17 by KO/TKO (81%) and 4 on the cards (19%). Counted from 21 bouts Kill The Body has ingested.

17 by KO/TKO 81%4 on the cards 19%

Isaac Castan0 wins · from 1 tracked bout

Isaac Castan: no tracked wins in the 1 bout Kill The Body has ingested.

No tracked wins for Castan yet.

One square per tracked win. Counted from the bouts Kill The Body has ingested for each fighter — Arthur Biyarslanov 21, Isaac Castan 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

Arthur Biyarslanov has won 21 straight, the most recent against Jimerr Espinosa. Biyarslanov last boxed on Apr 9, 2026 — 197 days ago.WWWWW

Eniz Oct 2024Mimoune Feb 2025Collado Jun 2025Lipinets Oct 2025Espinosa Apr 20262.9 tracked bouts per year

Isaac Castan last boxed on Feb 9, 2019 — 2,813 days ago. Castan had lost the most recent, to Arthur Biyarslanov.L

Biyarslanov Feb 2019

Common Questions

With the rows behind them
Have Arthur Biyarslanov and Isaac Castan ever fought each other?
Yes. Arthur Biyarslanov and Isaac Castan met once on February 9, 2019, and Arthur Biyarslanov won by TKO in round 1.
The meeting

WFeb 9, 2019 · Biyarslanov · TKO R1

Head to Head ↓
Who has the better record, Biyarslanov or Castan?
Arthur Biyarslanov is 21-0 and Isaac Castan is 0-1 across the 1 bout Kill The Body has tracked. Arthur Biyarslanov has the higher win percentage. Records shown as tracked have not yet been independently verified as complete career totals.
Records · win %

Biyarslanov21–0100%

Castan0–10%

The Numbers ↓
Who has more knockouts, Biyarslanov or Castan?
Arthur Biyarslanov has 17 knockout wins and Isaac Castan has 0. Arthur Biyarslanov has more.
Knockout wins · KO rate

Biyarslanov1781%

Castan0

The Numbers ↓
Do Biyarslanov and Castan have any common opponents?
Kill The Body's bout data shows no opponents that both Arthur Biyarslanov and Isaac Castan have faced.
How much fight data does Kill The Body have on Biyarslanov and Castan?
This comparison is drawn from 21 bouts tracked for Arthur Biyarslanov and 1 bout tracked for Isaac Castan. Method and activity splits reflect those bouts only.
Bouts tracked · no edge

Biyarslanov21bouts

Castan1bout

How They Win ↓

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