Brazilian Jiu-Jitsu competitor. 1 match across 1 event since Mar 2023, from Smoothcomp results.
Provisional rating · 11 more matches to get ranked
Rating 1298
Mar 18, 2023 · Revelation Sub - Only Grappling Tournament · 0–1
Newest first, grouped by tournament. Each tournament shows its rating change and the wins we expected; tournaments rated together are one entry.
Siobhan Isleifson is a Brazilian Jiu-Jitsu competitor out of Wamma. JitsDex holds 1 match across 1 event, going back to Mar 2023 — a 0–1 record compiled from Smoothcomp tournament results. JitsDex rates Siobhan Isleifson 1298 (provisional: not yet ranked on a board).
1 events · 1 matches · first event on record Mar 2023 · jitsdex.com
Rating 1298 · skill 1448 ± 179 · quality wins 0/3 · data as of 2026-10-24