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Jean Jacques Olivier vs Mateusz Masternak — record, stats and common opponents compared

Jean Jacques Olivier

🇵🇱CRUISERWEIGHT

Mateusz Masternak

Jean Jacques Olivier (0-1 across 1 tracked bout) and Mateusz Masternak (50-7) 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.

Olivier

Tracked record

0–1

counted from 1 bout Kill The Body has ingested

Masternak

50

Wins33 KO · 66%

7

Losses

0

Draws57 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

Masternak leads 1–0

Jean Jacques Olivier and Mateusz Masternak have met 1 time; Masternak leads 1–0.

Jean Jacques Olivier and Mateusz Masternak have met 1 time; Masternak leads 1–0.
Met2024Apr 20Series
Jean Jacques OlivierFighter ALLost0–1W–L
Mateusz MasternakFighter BWWon1–0W–L
ResultTKOR81Meeting

The Numbers

Olivier 1 · Masternak 4 of 5 measurable rows
OlivierMasternak
Record†
0-150-7 (edge)
Win %0–100%
0%
87.7% (edge)
Wins by knockoutmax 33
0
33 (edge)
KO ratenot comparable
—66%
Stoppage rate (tracked wins)‡not comparable
—66%
Times stopped‡max 2
1 (edge)
2
Title reignsmax 2
0
2 (edge)
Bouts per year§not comparable
—2.9
Bouts trackedcoveragemax 57
1
57

† 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

Agenot held
Jean Jacques Olivier: No date of birth
Mateusz Masternak: 39
Stance
Jean Jacques Olivier: Not recorded
Mateusz Masternak: Orthodox

Jean Jacques Olivier left, Mateusz Masternak right, as everywhere on this page. Age is stated, not scored — neither age nor stance carries an edge.

How They Win

Tracked bouts only
Jean Jacques Olivier0 wins · from 1 tracked bout

Jean Jacques Olivier: no tracked wins in the 1 bout Kill The Body has ingested.

No tracked wins for Olivier yet.

Mateusz Masternak50 wins · from 57 tracked bouts

Mateusz Masternak: 50 tracked wins — 33 by KO/TKO (66%) and 17 on the cards (34%). Counted from 57 bouts Kill The Body has ingested.

33 by KO/TKO 66%17 on the cards 34%

One square per tracked win. Counted from the bouts Kill The Body has ingested for each fighter — Jean Jacques Olivier 1, Mateusz Masternak 57 — 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

Jean Jacques Olivier last boxed on Apr 20, 2024 — 917 days ago. Olivier had lost the most recent, to Mateusz Masternak.L

Masternak Apr 2024

Mateusz Masternak had won three in a row before losing a decision to Viddal Riley. Masternak last boxed on Apr 4, 2026 — 203 days ago.LWWWL

Billam-Smith Dec 2023Olivier Apr 2024Masson Nov 2024Djeko Oct 2025Riley Apr 20262.9 tracked bouts per year

Common Questions

With the rows behind them
Have Jean Jacques Olivier and Mateusz Masternak ever fought each other?
Yes. Jean Jacques Olivier and Mateusz Masternak met once on April 20, 2024, and Mateusz Masternak won by TKO in round 8.
The meeting

LApr 20, 2024 · Masternak · TKO R8

Head to Head ↓
Who has the better record, Olivier or Masternak?
Jean Jacques Olivier is 0-1 across the 1 bout Kill The Body has tracked and Mateusz Masternak is 50-7. Mateusz Masternak has the higher win percentage. Records shown as tracked have not yet been independently verified as complete career totals.
Records · win %

Olivier0–10%

Masternak50–787.7%

The Numbers ↓
Who has more knockouts, Olivier or Masternak?
Jean Jacques Olivier has 0 knockout wins and Mateusz Masternak has 33. Mateusz Masternak has more.
Knockout wins · KO rate

Olivier0

Masternak3366%

The Numbers ↓
Do Olivier and Masternak have any common opponents?
Kill The Body's bout data shows no opponents that both Jean Jacques Olivier and Mateusz Masternak have faced.
How much fight data does Kill The Body have on Olivier and Masternak?
This comparison is drawn from 1 bout tracked for Jean Jacques Olivier and 57 bouts tracked for Mateusz Masternak. Method and activity splits reflect those bouts only.
Bouts tracked · no edge

Olivier1bout

Masternak57bouts

How They Win ↓

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