Skip to main content
Kill The Body

and the head will die

Damian Mielewczyk vs Karol Welter — record, stats and common opponents compared

Damian Mielewczyk (0-2 across 2 tracked bouts) and Karol Welter (21-1) 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.

Mielewczyk

Tracked record

0–2

counted from 2 bouts Kill The Body has ingested

Welter

21

Wins9 KO · 43%

1

Loss

0

Draws22 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

Welter leads 1–0

Damian Mielewczyk and Karol Welter have met 1 time; Welter leads 1–0.

Damian Mielewczyk and Karol Welter have met 1 time; Welter leads 1–0.
Met2021Oct 29Series
Damian MielewczykFighter ALLost0–1W–L
Karol WelterFighter BWWon1–0W–L
ResultUD1Meeting

The Numbers

Mielewczyk 0 · Welter 4 of 4 measurable rows
MielewczykWelter
Record†
0-221-1 (edge)
Win %0–100%
0%
95.5% (edge)
Wins by knockoutmax 9
0
9 (edge)
KO ratenot comparable
—42.86%
Stoppage rate (tracked wins)‡not comparable
—43%
Times stopped‡levelmax 0
0
0
Title reignslevelmax 0
0
0
Bouts per year§max 2.7
0.6
2.7 (edge)
Bouts trackedcoveragemax 22
2
22

† 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
Damian Mielewczyk: No height on file
Karol Welter: 5′11″
Reachnot held
Damian Mielewczyk: No reach on file
Karol Welter: 74″
Age6 yrs apart
Damian Mielewczyk: 37
Karol Welter: 31
Stance
Damian Mielewczyk: Not recorded
Karol Welter: Orthodox

Damian Mielewczyk left, Karol Welter right, as everywhere on this page. Age is stated, not scored — neither age nor stance carries an edge.

How They Win

Tracked bouts only
Damian Mielewczyk0 wins · from 2 tracked bouts

Damian Mielewczyk: no tracked wins in the 2 bouts Kill The Body has ingested.

No tracked wins for Mielewczyk yet.

Karol Welter21 wins · from 22 tracked bouts

Karol Welter: 21 tracked wins — 9 by KO/TKO (43%) and 12 on the cards (57%). Counted from 22 bouts Kill The Body has ingested.

9 by KO/TKO 43%12 on the cards 57%

One square per tracked win. Counted from the bouts Kill The Body has ingested for each fighter — Damian Mielewczyk 2, Karol Welter 22 — 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

Damian Mielewczyk last boxed on Oct 29, 2021 — 1,820 days ago. Mielewczyk had lost two straight.LL

Gardzielik May 2018Welter Oct 20210.6 tracked bouts per year

Karol Welter has won 13 straight, the most recent against Evander Castillo. Welter last boxed on Mar 6, 2026 — 231 days ago.WWWWW

España Dec 2024Caballero Mar 2025Hardzeika Sep 2025Abdulaev Nov 2025Castillo Mar 20262.7 tracked bouts per year

Common Questions

With the rows behind them
Have Damian Mielewczyk and Karol Welter ever fought each other?
Yes. Damian Mielewczyk and Karol Welter met once on October 29, 2021, and Karol Welter won by UD.
The meeting

LOct 29, 2021 · Welter · UD

Head to Head ↓
Who has the better record, Mielewczyk or Welter?
Damian Mielewczyk is 0-2 across the 2 bouts Kill The Body has tracked and Karol Welter is 21-1. Karol Welter has the higher win percentage. Records shown as tracked have not yet been independently verified as complete career totals.
Records · win %

Mielewczyk0–20%

Welter21–195.5%

The Numbers ↓
Who has more knockouts, Mielewczyk or Welter?
Damian Mielewczyk has 0 knockout wins and Karol Welter has 9. Karol Welter has more.
Knockout wins · KO rate

Mielewczyk0

Welter942.9%

The Numbers ↓
Do Mielewczyk and Welter have any common opponents?
Kill The Body's bout data shows no opponents that both Damian Mielewczyk and Karol Welter have faced.
How much fight data does Kill The Body have on Mielewczyk and Welter?
This comparison is drawn from 2 bouts tracked for Damian Mielewczyk and 22 bouts tracked for Karol Welter. Method and activity splits reflect those bouts only.
Bouts tracked · no edge

Mielewczyk2bouts

Welter22bouts

How They Win ↓

Compare someone else

4 suggested matchups

Compare Mielewczyk with…

Someone else?

Release either fighter to put someone new in that slot — the other one stays put.