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Kill The Body

and the head will die

Karol Welter vs Patryk Szymański — record, stats and common opponents compared

Karol Welter

🇵🇱POLAND

Patryk Szymański

Karol Welter (21-1) and Patryk Szymański (1-2 across 3 tracked bouts) 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.

Welter

21

Wins9 KO · 43%

1

Loss

0

Draws22 tracked bouts

Szymański

Tracked record

1–2

counted from 3 bouts 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

Welter leads 1–0

Karol Welter and Patryk Szymański have met 1 time; Welter leads 1–0.

Karol Welter and Patryk Szymański have met 1 time; Welter leads 1–0.
Met2022Mar 11Series
Karol WelterFighter AWWon1–0W–L
Patryk SzymańskiFighter BLLost0–1W–L
ResultTKOR71Meeting

The Numbers

Welter 6 · Szymański 0 of 6 measurable rows
WelterSzymański
Record†
21-1 (edge)1-2
Win %0–100%
95.5% (edge)
33.3%
Wins by knockoutmax 9
9 (edge)
0
KO ratenot comparable
42.86%—
Stoppage rate (tracked wins)‡0–100%
43% (edge)
0%
Times stopped‡max 2
0 (edge)
2
Title reignslevelmax 0
0
0
Bouts per year§max 2.7
2.7 (edge)
0.6
Bouts trackedcoveragemax 22
22
3

† 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
Karol Welter: 5′11″
Patryk Szymański: No height on file
Reachnot held
Karol Welter: 74″
Patryk Szymański: No reach on file
Age2 yrs apart
Karol Welter: 31
Patryk Szymański: 33
Stance
Karol Welter: Orthodox
Patryk Szymański: Not recorded

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

How They Win

Tracked bouts only
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%

Patryk Szymański1 win · from 3 tracked bouts

Patryk Szymański: 1 tracked win — 1 on the cards (100%). Counted from 3 bouts Kill The Body has ingested.

1 on the cards 100%

One square per tracked win. Counted from the bouts Kill The Body has ingested for each fighter — Karol Welter 22, Patryk Szymański 3 — 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

Karol Welter has won 13 straight, the most recent against Evander Castillo. Welter last boxed on Mar 6, 2026 — 232 days ago.WWWWW

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

Patryk Szymański last boxed on Mar 11, 2022 — 1,688 days ago. Szymański had lost two straight, after one straight win.WLL

Jackiewicz May 2017Talarek Apr 2019Welter Mar 20220.6 tracked bouts per year

Common Questions

With the rows behind them
Have Karol Welter and Patryk Szymański ever fought each other?
Yes. Karol Welter and Patryk Szymański met once on March 11, 2022, and Karol Welter won by TKO in round 7.
The meeting

WMar 11, 2022 · Welter · TKO R7

Head to Head ↓
Who has the better record, Welter or Szymański?
Karol Welter is 21-1 and Patryk Szymański is 1-2 across the 3 bouts Kill The Body has tracked. Karol Welter has the higher win percentage. Records shown as tracked have not yet been independently verified as complete career totals.
Records · win %

Welter21–195.5%

Szymański1–233.3%

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

Welter942.9%

Szymański0

The Numbers ↓
Do Welter and Szymański have any common opponents?
Kill The Body's bout data shows no opponents that both Karol Welter and Patryk Szymański have faced.
How much fight data does Kill The Body have on Welter and Szymański?
This comparison is drawn from 22 bouts tracked for Karol Welter and 3 bouts tracked for Patryk Szymański. Method and activity splits reflect those bouts only.
Bouts tracked · no edge

Welter22bouts

Szymański3bouts

How They Win ↓

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