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.
Jack Massey (23-4) and Jiri Svacina (0-16 across 16 tracked bouts) are compared on record, finishing method, activity, and common opponents on Kill The Body. The two have met once. They share 1 common opponent.
Jack Massey vs Jiri Svacina — record, stats and common opponents compared
Head to Head
Jack Massey leads 1–0- Jack Massey wonMassey vs SvacinaDec 22, 2018 · TKO · R4
The Numbers
- 23-4 (edge)
- Record
- 0-16
- 85.2% (edge)
- Win %
- 0%
- 13 (edge)
- Wins by knockout
- 0
- 56.52%
- KO rate
- —
- 54%
- Stoppage rate (tracked wins)
- —
- 2 (edge)
- Times stopped
- 8
- 0
- Title reigns
- 0
- 2.2
- Bouts per year
- 2.5 (edge)
- 28
- Bouts tracked
- 16
One or both records are tracked, not career-verified.
Counted from bouts Kill The Body has ingested, not a career total.
Counted from bouts Kill The Body has ingested, not a career total.
Across each fighter's tracked career span.
Tale of the Tape
- 6′4″ (193 cm)
- Height
- —
- 33
- Age
- —
- Orthodox
- Stance
- —
- British
- Nationality
- —
How They Win
Tracked bouts onlyJack Massey · 24 wins
KO/TKO
13
Decision
11
Other
0
Jiri Svacina · 0 wins
No tracked wins yet.
Counted from the bouts Kill The Body has ingested for each fighter (28 and 16 respectively), not from a career-complete method table.
Common Opponents
1 sharedShared opponents are matched on fighter identity, not on name — two different fighters with the same name never merge into one row.
Current Form
Jack Massey
LWLWW
L1 streak · last fought Jun 6, 2026
Jiri Svacina
LLLLL
L16 streak · last fought Sep 22, 2019
Common Questions
- Have Jack Massey and Jiri Svacina ever fought each other?
- Yes. Jack Massey and Jiri Svacina met once on December 22, 2018, and Jack Massey won by TKO in round 4.
- Who has the better record, Jack Massey or Jiri Svacina?
- Jack Massey is 23-4 and Jiri Svacina is 0-16 across the 16 bouts Kill The Body has tracked. Jack Massey has the higher win percentage. Records shown as tracked have not yet been independently verified as complete career totals.
- Who has more knockouts, Jack Massey or Jiri Svacina?
- Jack Massey has 13 knockout wins and Jiri Svacina has 0. Jack Massey has more.
- Do Jack Massey and Jiri Svacina have any common opponents?
- Jack Massey and Jiri Svacina share 1 common opponent: Richard Riakporhe. Neither fighter fared better across the shared opponents overall.
- How much fight data does Kill The Body have on Jack Massey and Jiri Svacina?
- This comparison is drawn from 28 bouts tracked for Jack Massey and 16 bouts tracked for Jiri Svacina. Method and activity splits reflect those bouts only.