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.
John Riel Casimero (36-5-1) and Ken'ya Yamashita (0-1 across 1 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.
John Riel Casimero vs Ken'ya Yamashita — record, stats and common opponents compared
Head to Head
John Riel Casimero leads 1–0- John Riel Casimero wonCasimero vs YamashitaFeb 16, 2019 · TKO · R6
The Numbers
- 36-5-1 (edge)
- Record
- 0-1
- 86.9% (edge)
- Win %
- 0%
- 25 (edge)
- Wins by knockout
- 0
- 69.44%
- KO rate
- —
- 69%
- Stoppage rate (tracked wins)
- —
- 1
- Times stopped
- 1
- 3 (edge)
- Title reigns
- 0
- 2.2
- Bouts per year
- —
- 42
- Bouts tracked
- 1
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
- 5′4″ (163 cm)
- Height
- —
- 70″ (178 cm)
- Reach
- —
- 36
- Age
- 30
- Orthodox
- Stance
- —
- Philippines
- Nationality
- Japan
How They Win
Tracked bouts onlyJohn Riel Casimero · 36 wins
KO/TKO
25
Decision
10
Other
1
Ken'ya Yamashita · 0 wins
No tracked wins yet.
Counted from the bouts Kill The Body has ingested for each fighter (42 and 1 respectively), 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
John Riel Casimero
WWLWD
W2 streak · last fought Jun 6, 2026
Ken'ya Yamashita
L
L1 streak · last fought Feb 16, 2019
Common Questions
- Have John Riel Casimero and Ken'ya Yamashita ever fought each other?
- Yes. John Riel Casimero and Ken'ya Yamashita met once on February 16, 2019, and John Riel Casimero won by TKO in round 6.
- Who has the better record, John Riel Casimero or Ken'ya Yamashita?
- John Riel Casimero is 36-5-1 and Ken'ya Yamashita is 0-1 across the 1 bouts Kill The Body has tracked. John Riel Casimero has the higher win percentage. Records shown as tracked have not yet been independently verified as complete career totals.
- Who has more knockouts, John Riel Casimero or Ken'ya Yamashita?
- John Riel Casimero has 25 knockout wins and Ken'ya Yamashita has 0. John Riel Casimero has more.
- Do John Riel Casimero and Ken'ya Yamashita have any common opponents?
- Kill The Body's bout data shows no opponents that both John Riel Casimero and Ken'ya Yamashita have faced.
- How much fight data does Kill The Body have on John Riel Casimero and Ken'ya Yamashita?
- This comparison is drawn from 42 bouts tracked for John Riel Casimero and 1 bout tracked for Ken'ya Yamashita. Method and activity splits reflect those bouts only.