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Michael Birthmark vs Sergey Kovalev — record, stats and common opponents compared

Michael Birthmark

🇷🇺RUSSIA

Sergey Kovalev

Michael Birthmark (0-3 across 3 tracked bouts) and Sergey Kovalev (36-5-1) 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.

Birthmark

Tracked record

0–3

counted from 3 bouts Kill The Body has ingested

Kovalev

36

Wins30 KO · 83%

5

Losses

1

Draw42 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

Kovalev leads 1–0

Michael Birthmark and Sergey Kovalev have met 1 time; Kovalev leads 1–0.

Michael Birthmark and Sergey Kovalev have met 1 time; Kovalev leads 1–0.
Met2009Aug 29Series
Michael BirthmarkFighter ALLost0–1W–L
Sergey KovalevFighter BWWon1–0W–L
ResultRTDR11Meeting

The Numbers

Birthmark 0 · Kovalev 5 of 5 measurable rows
BirthmarkKovalev
Record†
0-336-5-1 (edge)
Win %0–100%
0%
86.9% (edge)
Wins by knockoutmax 30
0
30 (edge)
KO ratenot comparable
—83.33%
Stoppage rate (tracked wins)‡not comparable
—83%
Times stopped‡levelmax 3
3
3
Title reignsmax 5
0
5 (edge)
Bouts per year§max 2.7
0.9
2.7 (edge)
Bouts trackedcoveragemax 42
3
42

† 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
Michael Birthmark: No height on file
Sergey Kovalev: 6′0″
Reachnot held
Michael Birthmark: No reach on file
Sergey Kovalev: 72″
Agenot held
Michael Birthmark: No date of birth
Sergey Kovalev: 43
Stance
Michael Birthmark: Not recorded
Sergey Kovalev: Orthodox

Michael Birthmark left, Sergey Kovalev right, as everywhere on this page. Age is stated, not scored — neither age nor stance carries an edge.

How They Win

Tracked bouts only
Michael Birthmark0 wins · from 3 tracked bouts

Michael Birthmark: no tracked wins in the 3 bouts Kill The Body has ingested.

No tracked wins for Birthmark yet.

Sergey Kovalev36 wins · from 42 tracked bouts

Sergey Kovalev: 36 tracked wins — 30 by KO/TKO (83%) and 6 on the cards (17%). Counted from 42 bouts Kill The Body has ingested.

30 by KO/TKO 83%6 on the cards 17%

One square per tracked win. Counted from the bouts Kill The Body has ingested for each fighter — Michael Birthmark 3, Sergey Kovalev 42 — 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

Michael Birthmark last boxed on Jul 9, 2011 — 5,581 days ago. Birthmark had lost three straight.LLL

Rodríguez May 2008Kovalev Aug 2009Lee Jul 20110.9 tracked bouts per year

Sergey Kovalev has won once since losing a decision to Robin Sirwan Safar. Kovalev last boxed on Apr 18, 2025 — 549 days ago.WLWLW

Yarde Aug 2019Álvarez Nov 2019Pulev May 2022Safar May 2024Mann Apr 20252.7 tracked bouts per year

Common Questions

With the rows behind them
Have Michael Birthmark and Sergey Kovalev ever fought each other?
Yes. Michael Birthmark and Sergey Kovalev met once on August 29, 2009, and Sergey Kovalev won by RTD in round 1.
The meeting

LAug 29, 2009 · Kovalev · RTD R1

Head to Head ↓
Who has the better record, Birthmark or Kovalev?
Michael Birthmark is 0-3 across the 3 bouts Kill The Body has tracked and Sergey Kovalev is 36-5-1. Sergey Kovalev has the higher win percentage. Records shown as tracked have not yet been independently verified as complete career totals.
Records · win %

Birthmark0–30%

Kovalev36–5–186.9%

The Numbers ↓
Who has more knockouts, Birthmark or Kovalev?
Michael Birthmark has 0 knockout wins and Sergey Kovalev has 30. Sergey Kovalev has more.
Knockout wins · KO rate

Birthmark0

Kovalev3083.3%

The Numbers ↓
Do Birthmark and Kovalev have any common opponents?
Kill The Body's bout data shows no opponents that both Michael Birthmark and Sergey Kovalev have faced.
How much fight data does Kill The Body have on Birthmark and Kovalev?
This comparison is drawn from 3 bouts tracked for Michael Birthmark and 42 bouts tracked for Sergey Kovalev. Method and activity splits reflect those bouts only.
Bouts tracked · no edge

Birthmark3bouts

Kovalev42bouts

How They Win ↓

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