Jake Duncan-Kofman

Action & Reaction MMA

4–1
Record
25%
Submission rate
4y 1m
Career
5:00
Avg match
5.0
Avg place

Brazilian Jiu-Jitsu competitor. 5 matches across 2 events since Sep 2022, from Smoothcomp results.

Provisional rating · 7 more matches to get ranked

Rating over time Rating 1615−9

May 6, 2023·−9 · 1–1·2023 Ontario Open International Jiu Jitsu Championship - GI Edition

L10 L W W W W
Top 4 best wins
OpponentTheir rating
  • 1
    Artur Li 2023 Ontario Open International Jiu Jitsu Championship - GI Edition · May 2023
    1864
  • 2
    Kent Taylor 2022 GTA Classic · Sep 2022
    1495
  • 3
    Max Kent 2022 GTA Classic · Sep 2022
    1420
  • 4
    Andrew Rouble 2022 GTA Classic · Sep 2022
    1364

Opponents & match history

5 matches

Newest first, grouped by tournament. Each tournament shows its rating change and the wins we expected; tournaments rated together are one entry.

2023 Ontario Open International Jiu Jitsu Championship - GI EditionMay 6, 2023 · expected 0.9 wins 1–1−9 rating
L
Francis-William BélangerRoyal Jiu-Jitsu Quebec
submission4:11
W
Artur LiToronto BJJ
points6:00
Full event results →
2022 GTA ClassicSep 11, 2022 · expected 2.3 wins 3–0first rating
W
Max KentBrampton Brazilian Jiu-Jitsu Academy
points5:00
W
Andrew RoubleNiagara BJJ ( Cicero Costha)
submission4:50
W
Kent TaylorPlatinum Training Facility
points5:00
Full event results →

Jake Duncan-Kofman is a Brazilian Jiu-Jitsu competitor out of Action & Reaction MMA. JitsDex holds 5 matches across 2 events, going back to Sep 2022 — a 4–1 record compiled from Smoothcomp tournament results. JitsDex rates Jake Duncan-Kofman 1615 (provisional: not yet ranked on a board).

2 events · 5 matches · 1 gold · first event on record Sep 2022 · jitsdex.com

Rating 1615 · skill 1779 ± 128 · quality wins 3/8 · data as of 2026-10-24

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