Brazilian Jiu-Jitsu competitor. 3 matches across 1 event since Jun 2023, from Smoothcomp results.
Provisional rating · 4 more matches to get ranked
Rating 1169
Jun 3, 2023 · Grappling Industries BUFFALO · 1–7
Newest first, grouped by tournament. Each tournament shows its rating change and the wins we expected; tournaments rated together are one entry.
Jack DUFF is a Brazilian Jiu-Jitsu competitor out of Fighting Griffins. JitsDex holds 3 matches across 1 event, going back to Jun 2023 — a 0–3 record compiled from Smoothcomp tournament results. JitsDex rates Jack DUFF 1169 (provisional: not yet ranked on a board).
1 events · 3 matches · first event on record Jun 2023 · jitsdex.com
Rating 1169 · skill 1397 ± 136 · quality wins 0/8 · data as of 2026-10-24