Skip to main content
Kill The Body

and the head will die

Oliver Zaren vs Roberto Arriaza — record, stats and common opponents compared

🇩🇰DENMARK

Oliver Zaren

🇪🇸SPAIN

Roberto Arriaza

Oliver Zaren (19-0-1) and Roberto Arriaza (0-5 across 5 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.

Zaren

19

Wins8 KO · 42%

0

Losses

1

Draw20 tracked bouts

Arriaza

Tracked record

0–5

counted from 5 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

Zaren leads 1–0

Oliver Zaren and Roberto Arriaza have met 1 time; Zaren leads 1–0.

Oliver Zaren and Roberto Arriaza have met 1 time; Zaren leads 1–0.
Met2024Oct 25Series
Oliver ZarenFighter AWWon1–0W–L
Roberto ArriazaFighter BLLost0–1W–L
How it endedKOR21Meeting

The Numbers

Zaren 5 · Arriaza 0 of 5 measurable rows
ZarenArriaza
Record†
19-0-1 (edge)0-5
Win %0–100%
97.5% (edge)
0%
Wins by knockoutmax 8
8 (edge)
0
KO ratenot comparable
42.11%—
Stoppage rate (tracked wins)‡not comparable
42%—
Times stopped‡max 3
0 (edge)
3
Title reignslevelmax 0
0
0
Bouts per year§max 2.9
2.9 (edge)
0.8
Bouts trackedcoveragemax 20
20
5

† 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

Stance
Oliver Zaren: Southpaw
Roberto Arriaza: Not recorded

Oliver Zaren left, Roberto Arriaza right, as everywhere on this page. Stance is stated, not scored.

How They Win

Tracked bouts only
Oliver Zaren19 wins · from 20 tracked bouts

Oliver Zaren: 19 tracked wins — 8 by KO/TKO (42%) and 11 on the cards (58%). Counted from 20 bouts Kill The Body has ingested.

8 by KO/TKO 42%11 on the cards 58%

Roberto Arriaza0 wins · from 5 tracked bouts

Roberto Arriaza: no tracked wins in the 5 bouts Kill The Body has ingested.

No tracked wins for Arriaza yet.

One square per tracked win. Counted from the bouts Kill The Body has ingested for each fighter — Oliver Zaren 20, Roberto Arriaza 5 — 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

Oliver Zaren drew the most recent tracked bout with Jose Luis Navarro Jr.. Zaren last boxed on Jun 19, 2026 — 93 days ago.WWWWD

Cavret Mar 2025Maigwisya Jun 2025Bilic Oct 2025Benitez Jan 2026Jr. Jun 20262.9 tracked bouts per year

Roberto Arriaza has lost five straight. Arriaza last boxed on Oct 25, 2024 — 695 days ago.LLLLL

Kavaliauskas Nov 2018Formella Jan 2020McKinson Dec 2022Wołczecki Aug 2023Zaren Oct 20240.8 tracked bouts per year

Common Questions

With the rows behind them
Have Oliver Zaren and Roberto Arriaza ever fought each other?
Yes. Oliver Zaren and Roberto Arriaza met once on October 25, 2024, and Oliver Zaren won by KO in round 2.
The meeting

WOct 25, 2024 · Zaren · KO R2

Head to Head ↓
Who has the better record, Zaren or Arriaza?
Oliver Zaren is 19-0-1 and Roberto Arriaza is 0-5 across the 5 bouts Kill The Body has tracked. Oliver Zaren has the higher win percentage. Records shown as tracked have not yet been independently verified as complete career totals.
Records · win %

Zaren19–0–197.5%

Arriaza0–50%

The Numbers ↓
Who has more knockouts, Zaren or Arriaza?
Oliver Zaren has 8 knockout wins and Roberto Arriaza has 0. Oliver Zaren has more.
Knockout wins · KO rate

Zaren842.1%

Arriaza0

The Numbers ↓
Do Zaren and Arriaza have any common opponents?
Kill The Body's bout data shows no opponents that both Oliver Zaren and Roberto Arriaza have faced.
How much fight data does Kill The Body have on Zaren and Arriaza?
This comparison is drawn from 20 bouts tracked for Oliver Zaren and 5 bouts tracked for Roberto Arriaza. Method and activity splits reflect those bouts only.
Bouts tracked · no edge

Zaren20bouts

Arriaza5bouts

How They Win ↓

Compare someone else

6 suggested matchups

Compare Zaren with…

Compare Arriaza with…

Someone else?

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