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Ronald Osei

OpenMat mma · Ontario Purple Belt

36–54
Record
50%
Submission rate
4y 11m
Career
4:53
Avg match
3.4
Avg place

Purple belt Brazilian Jiu-Jitsu competitor. 90 matches across 23 events since Nov 2021, from Smoothcomp results.

#922 in Canada · #428 in Ontario

Rating over time Rating 1543+5

Jul 11, 2026·+5 · 2–2·NextGen Toronto 2026 10th Year Anniversary

L10 L L W W L W W L L L
2-loss streak
Top 5 best wins
OpponentTheir rating

Opponents & match history

90 matches

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

NextGen Toronto 2026 10th Year AnniversaryJul 11, 2026 · expected 1.8 wins 2–2+5 rating
L
Luke MortonBurlington Training Centre
points6:00
L
Luke MortonBurlington Training Centre
points6:00
W
Anthony NufrioSBG Toronto
points7:00
W
Anthony NufrioSBG Toronto
submission4:34
Full event results →
2026 Ontario Open International Jiu Jitsu Championship - GI EditionMay 3, 2026 · expected 0.1 wins 0–1−4 rating
L
Shawn ConleyOcta BJJ
points7:00
Full event results →
Show 20 older tournamentsHide older tournaments
Lutando Series - Vaughan Toronto 2026Mar 14, 2026 · expected 2.1 wins 2–2+1 rating
W
Brady KiblerTOPP Performance
submission2:54
W
Bao TuVaughan Jiu-Jitsu Academy
points7:00
L
Thomas SandziukUnited BJJ
points6:00
L
Thomas SandziukUnited BJJ
points6:00
Full event results →
2026 Durham ClassicFeb 21, 2026 · expected 0.8 wins 1–1+8 rating
L
Chris RivardJiu-Jitsu for Life Team Canada
points6:00
W
Brendon DayKalsamrit Martial Arts
submission4:00
Full event results →
ADCC CANADA OPEN TORONTO 2026Feb 14, 2026 · expected 1.3 wins 1–1−9 rating
L
Brent RileyAdamas Jiu Jitsu
submission4:28
W
Cj AngillettaVaughan Jiu-Jitsu Academy
points5:00
Full event results →
Grappling Industries TORONTOJan 17, 2026 · expected 1.5 wins 3–3−13 rating
L
Christopher JambrichZenith BJJ - Driven
submission0:45
W
Dustin WingKraken Jiu-Jitsu Academy
submission2:59
L
Corey FludeHayabusa Academy (Kingston)
points5:00
W
Corey FludeHayabusa Academy (Kingston)
walkover
L
Hayden McInruegracie barra barrhaven
decision5:00
W
Josh SardellaPSLPB CICERO COSTHA
walkover
Full event results →
2025 Godai Jiu Jitsu OpenNov 8, 2025 · expected 2.8 wins 3–4+13 rating
L
Peter-Alexander SpanosEthereal BJJ Academy
points5:00
L
Peter-Alexander SpanosEthereal BJJ Academy
points5:00
W
Luis CuryToronto BJJ
submission3:48
L
Peter-Alexander SpanosEthereal BJJ Academy
points6:00
W
Ali DelbariHTA Windsor
submission2:41
W
Luis CuryToronto BJJ
submission2:49
L
Peter-Alexander SpanosEthereal BJJ Academy
points6:00
Full event results →
2025 Ontario Open NoGi + ACE Cup GiOct 25, 2025 · expected 0.4 wins 0–3−10 rating
L
Ahmed AbdelrahmanBigfoot Grappling
points7:00
L
Italo PoliAction & Reaction MMA
points7:00
L
Zurab KelekhsaevUnited Grappling Club
submission5:14
Full event results →
Lutando Series - Toronto 2025Apr 19, 2025 · expected 1.2 wins 0–3−26 rating
L
Bao TuVaughan Jiu-Jitsu Academy
decision7:00
L
Solomon ChoranAction & Reaction MMA
points6:00
L
Kostya SkydanyukXtreme Couture Toronto
decision6:00
Full event results →
Grappling Industries TORONTOJan 18, 2025 · expected 3.0 wins 3–3−4 rating
L
Alp OrmenBigfoot Grappling
submission
L
Graham WoodcockParadigm Martial Arts
points5:00
–
Sam HubbardMAFA BJJ
no-shownot counted
–
Bennett SerpaCambridge BJJ
no-shownot counted
–
Maxime GauthierCitadelle
no-shownot counted
–
Thomas SandziukUnited BJJ
no-shownot counted
W
Sam HubbardMAFA BJJ
points5:00
W
Bennett SerpaCambridge BJJ
submission2:50
W
Khalil OlasimboDragan BJJ (Alliance)
points5:00
L
Gavin White-EyeThe Butcher Shop
points5:00
Full event results →
2024 Ontario Open NoGi + ACE Cup GiOct 19, 2024 · expected 1.0 wins 1–3−2 rating
L
Gabriel PenteadoMizu Studio
points6:00
L
Thomas SandziukUnited BJJ
decision6:00
W
Jayden CorbettProgression BJJ
points6:00
L
Mike MurrayKalsamrit Martial Arts
points6:00
Full event results →
2024 GTA Classic - Gi & NoGiSep 7, 2024 · expected 1.4 wins 1–4+4 rating
L
Anthony ParkerEnhanced BJJ
points
L
Gabriel PenteadoMizu Studio
points5:00
L
Italo PoliAction & Reaction MMA
points6:00
W
Anthony ParkerEnhanced BJJ
submission2:12
L
Italo PoliAction & Reaction MMA
submission3:45
Full event results →
NEXT GEN TORONTO 2024Jul 13, 2024 · expected 1.4 wins 2–1+9 rating
W
Jayden CorbettProgression BJJ
points6:00
W
James PanijanBrampton Brazilian Jiu-Jitsu Academy
points6:00
L
Jayden CorbettProgression BJJ
points6:00
Full event results →
2024 ONTARIO OPEN NOGI GRAND PRIX + 2024 Ontario Open International Jiu Jitsu Championship - GI EditionMay 5, 2024 · expected 1.0 wins across both events 0–3−37 rating
2024 ONTARIO OPEN NOGI GRAND PRIX · May 5, 2024
L
Zion LawrenceFour-Eleven Brazilian Jiu Jitsu
points6:00
–
Javad MahjoubHOMA BJJ
no-shownot counted
Full event results: 2024 ONTARIO OPEN NOGI GRAND PRIX →
2024 Ontario Open International Jiu Jitsu Championship - GI Edition · May 5, 2024
L
Noah BerdowskiTeam Renzo Gracie Ottawa
points5:00
L
Patrick RolosonLimitless Martial Arts Canada
points6:00
Full event results: 2024 Ontario Open International Jiu Jitsu Championship - GI Edition →
ADCC CANADA OPEN 2024 - Toronto EditionFeb 3, 2024 · expected 0.8 wins 0–2−39 rating
L
Isaiah BlanckoVibez fitness and martial arts
points6:00
L
Andrew TevayBlack Hole Jiu-Jitsu
submission3:15
Full event results →
Grappling Industries TORONTOJan 20, 2024 · expected 3.8 wins 5–5+39 rating
L
Dardan BerishaBattle Arts Academy, Mississauga
points5:00
L
Dardan BerishaBattle Arts Academy, Mississauga
decision5:00
W
Dardan BerishaBattle Arts Academy, Mississauga
points5:00
L
Dardan BerishaBattle Arts Academy, Mississauga
decision5:00
L
Dardan BerishaBattle Arts Academy, Mississauga
decision5:00
W
Dardan BerishaBattle Arts Academy, Mississauga
points5:00
L
Riccardo Carminati GalliToronto BJJ
points5:00
W
Benn RileyThe Submission Academy
submission1:19
W
Oliver ThomasNone
walkover
W
Ralph JulienNEO Martial Arts Brampton
submission2:23
Full event results →
2023 Ontario Provincial Jiu Jitsu ChampionshipDec 2, 2023 · expected 0.7 wins 1–2+24 rating
L
Jeff AllenGorilla Grip Gym
points6:00
W
Eduardo ChavezAction & Reaction MMA
submission2:54
L
Jeff AllenGorilla Grip Gym
points6:00
Full event results →
2023 Godai Jiu Jitsu OpenNov 11, 2023 · expected 1.6 wins 1–3−26 rating
L
Joe JimenezNEO Martial Arts Brampton
points6:00
W
Lionel BebbingtonPSLPB CICERO COSTHA
submission1:44
L
Gavin White-EyeThe Butcher Shop
points6:00
L
Joe JimenezNEO Martial Arts Brampton
submission4:58
Full event results →
Grappling Industries TORONTOJan 21, 2023 · expected 5.0 wins 6–3+74 rating
L
Ali ElgamlAegis MMA
points5:00
W
Dardan BerishaBattle Arts Academy, Mississauga
points5:00
W
Dan BartlettSubmission Arts Academy - Barrie
points5:00
W
Austin FaroSantos Brothers BJJ
submission2:07
W
Tyler MaloneyProgression BJJ
points5:00
W
Austin FaroSantos Brothers BJJ
submission2:08
L
Dan BartlettSubmission Arts Academy - Barrie
decision5:00
W
Jonathan CruzToronto Jiu-Jitsu Club
decision5:00
L
Gavin White-EyeThe Butcher Shop
points5:00
Full event results →
NEXT GEN TORONTO JIU-JITSU 2022Jul 16, 2022 · expected 0.5 wins 0–2−37 rating
L
Gavin White-EyeThe Butcher Shop
points5:00
L
Gavin White-EyeThe Butcher Shop
points5:00
Full event results →
2022 Ontario Open International Jiu Jitsu Championship - NOGI EditionJul 9, 2022 · expected 0.3 wins 0–1−31 rating
L
Guilherme MorettiOcta BJJ
points5:00
Full event results →
ASG OPEN- TorontoNov 20, 2021 · expected 2.5 wins 4–2first rating
–
Brendan Watson10th Planet HQ
walkovernot counted
L
Daniel VenturaInfinum BJJ
submission4:46
W
Ahad AbidWolf BJJ Toronto
submission2:38
W
Allo MohammedSantos Brothers BJJ
walkover
W
Caden SheerinOcta BJJ
submission3:40
W
Caden SheerinOcta BJJ
submission3:24
L
Caden SheerinOcta BJJ
decision6:00
Full event results →

Ronald Osei is a purple belt Brazilian Jiu-Jitsu competitor out of OpenMat mma. JitsDex holds 90 matches across 23 events, going back to Nov 2021 — a 36–54 record compiled from Smoothcomp tournament results. JitsDex rates Ronald Osei 1543, #922 of 2,548 men in Canada and #428 in Ontario.

23 events · 90 matches · 8 gold · first event on record Nov 2021 · jitsdex.com

Rating 1543 · skill 1611 ± 57 · quality wins 6/8 · data as of 2026-10-24

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