Graham Duncan

Isshindo Dojo

8–10
Record
12%
Submission rate
2y 11m
Career
3:21
Avg match
1.9
Avg place

Brazilian Jiu-Jitsu competitor. 18 matches across 8 events since Nov 2023, from Smoothcomp results.

Provisional rating · uncertainty ±116, needs ±115

Rating over time Rating 1257−86

Sep 26, 2026·−86 · 0–4·AVA OKANAGAN Submission Grappling Tournament 2026 (Vernon, British Columbia)

L10 L L L L L L W W W W
6-loss streak
Top 4 best wins
OpponentTheir rating
  • 1
    Kevin Chiu AVA VANCOUVER SUBMISSION GRAPPLING - VANCOUVER, BRITISH COLUMBIA · Mar 2025
    1581
  • 2
    Jonathan Treivish AVA BRITISH COLUMBIA SUBMISSION GRAPPLING - PORT MOODY, BC · Jun 2025
    1254
  • 3
    Ayden Ko AVA WESTERN SUBMISSION GRAPPLING - VANCOUVER BC · Jun 2024
    1191
  • 4
    Aiden Murphy AVA ULTRA SUBMISSION GRAPPLING - PORT MOODY, BRITISH COLUMBIA · Nov 2024
    1176

Opponents & match history

18 matches

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

AVA OKANAGAN Submission Grappling Tournament 2026 (Vernon, British Columbia)Sep 26, 2026 · expected 1.1 wins 0–4−86 rating
L
Charley SchofieldIsshindo Dojo
submission2:12
L
Charley SchofieldIsshindo Dojo
submission2:36
L
Noah GuentherPacific Top Team Penticton
fastest escape4:10
L
Charley SchofieldIsshindo Dojo
submission4:21
Full event results →
AVA ULTRA Submission Grappling 2025 (Langley Vancouver, BC)Dec 6, 2025 · expected 1.1 wins 0–2−83 rating
L
Tristan BraithwaiteInfinity Mixed Martial Arts
fastest escape3:17
L
Marko DelacANIMO BOXING & MMA
decision4:00
Full event results →
Show 6 older tournamentsHide older tournaments
AVA BRITISH COLUMBIA SUBMISSION GRAPPLING - PORT MOODY, BCJun 14, 2025 · expected 1.5 wins 2–0+47 rating
W
Jonathan TreivishInfinity Mixed Martial Arts
fastest escape3:54
W
Jonathan TreivishInfinity Mixed Martial Arts
submission3:22
Full event results →
AVA VANCOUVER SUBMISSION GRAPPLING - VANCOUVER, BRITISH COLUMBIAMar 8, 2025 · expected 1.0 wins 2–0+60 rating
W
Kevin ChiuGFTeam Canada
fastest escape3:14
W
Kevin ChiuGFTeam Canada
fastest escape3:11
Full event results →
AVA ULTRA SUBMISSION GRAPPLING - PORT MOODY, BRITISH COLUMBIANov 30, 2024 · expected 0.9 wins 1–1+6 rating
W
Aiden MurphyEight Days Martial Arts
fastest escape3:00
L
Rahbab GillRevolution Martial Arts
fastest escape3:00
Full event results →
AVA WESTERN SUBMISSION GRAPPLING - VANCOUVER BCJun 22, 2024 · expected 1.1 wins 2–0+77 rating
W
Ayden KoDiaz Combat Sports
fastest escape3:08
W
Ayden KoDiaz Combat Sports
fastest escape3:31
Full event results →
AVA VANCOUVER SUBMISSION GRAPPLING - BRITISH COLUMBIAMar 2, 2024 · expected 0.5 wins 0–2−52 rating
L
Luke SunderlandDiaz Combat Sports
fastest escape3:00
L
Luke SunderlandDiaz Combat Sports
fastest escape3:00
Full event results →
PNO 2023Nov 18, 2023 · expected 0.4 wins 1–1first rating
L
Sawyer BattieTidal BJJ
points4:00
W
Heidi TappertTidal BJJ
walkover
Full event results →

Graham Duncan is a Brazilian Jiu-Jitsu competitor out of Isshindo Dojo. JitsDex holds 18 matches across 8 events, going back to Nov 2023 — a 8–10 record compiled from Smoothcomp tournament results. JitsDex rates Graham Duncan 1257 (provisional: not yet ranked on a board).

8 events · 18 matches · 3 gold · first event on record Nov 2023 · jitsdex.com

Rating 1257 · skill 1455 ± 116 · quality wins 1/8 · data as of 2026-10-24

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