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Sienna Seymour

Joslin’s MMA · Ontario

11–7
Record
55%
Submission rate
3y
Career
2:30
Avg match
2.1
Avg place

Brazilian Jiu-Jitsu competitor. 18 matches across 9 events since Sep 2023, from Smoothcomp results.

#2,290 in Canada · #1,044 in Ontario

Rating over time Rating 1426+37

Jun 7, 2025·+37 · 2–0·2025 Kids Jiu Jitsu Festival

L10 W W W L W W W L L L
3-win streak
Top 5 best wins
OpponentTheir rating

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.

2025 Kids Jiu Jitsu FestivalJun 7, 2025 · expected 1.5 wins 2–0+37 rating
W
Solomia StepanioukNiagara BJJ ( Cicero Costha)
points4:00
W
Sehej HunjanFluxo Jiu Jitsu
submission1:25
Full event results →
2025 NEXTGEN NIAGARAMar 8, 2025 · expected 1.1 wins 1–1+6 rating
W
Priya FykeGentle Arts Dojo
submission3:50
L
Maya McKeeNiagara BJJ ( Cicero Costha)
submission2:11
Full event results →
Show 6 older tournamentsHide older tournaments
The London OpenOct 5, 2024 · expected 1.4 wins 2–0+47 rating
W
Grace StittStratford-Woodstock BJJ
submission1:53
W
Grace StittStratford-Woodstock BJJ
submission1:58
Full event results →
2024 GTA Classic - Gi & NoGiSep 7, 2024 · expected 0.5 wins 1–3−48 rating
W
Asher JohnsonGracie Humaita Woodbridge
walkover
L
Kaylie KellyGUVNA BJJ
submission0:46
L
Claire LantzKalsamrit Martial Arts
points4:00
L
Gemma RenteroPound4Pound - Resolute Jiu-Jitsu
submission0:28
Full event results →
2024 Great Lakes Jiu Jitsu OpenAug 10, 2024 · expected 1.2 wins 2–0+86 rating
W
Lila GodboutNiagara BJJ ( Cicero Costha)
submission1:24
W
Maya McKeeNiagara BJJ ( Cicero Costha)
points4:00
Full event results →
Barrie Open Jiu Jitsu InvitationalJun 15, 2024 · expected 1.3 wins 2–0+43 rating
W
Charlize LavalléeSudbury MMA
points4:00
W
Charlize LavalléeSudbury MMA
points4:00
Full event results →
2024 Kids Jiu Jitsu FestivalJun 8, 2024 · expected 0.7 wins 0–2−132 rating
L
Sydney FokThe Flock MMA Academy
points2:04
L
Rachel FeijoAction & Reaction MMA
submission2:48
Full event results →
The London OpenSep 30, 2023 · expected 1.1 wins 1–1first rating
W
Colton ArdielPlatinum Training Facility
submission0:39
L
Jack WalkerStratford-Woodstock BJJ
points3:00
Full event results →

Sienna Seymour is a Brazilian Jiu-Jitsu competitor out of Joslin’s MMA. JitsDex holds 18 matches across 9 events, going back to Sep 2023 — a 11–7 record compiled from Smoothcomp tournament results. JitsDex rates Sienna Seymour 1426, #2,290 of 3,906 kids in Canada and #1,044 in Ontario.

9 events · 18 matches · 5 gold · first event on record Sep 2023 · jitsdex.com

Rating 1426 · skill 1615 ± 98 · quality wins 1/8 · data as of 2026-10-24

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