Jean-Sebastien Dionne-Roy
73 matches · 62 won · 11 lost · 2 with video
East Coast Fight Series 9: September Slam 2026-09-27
🥇 1st 210+ Title Bracket
-
Won
vs Marshall Billingsley
(Alliance Jiu Jitsu Fredericton)
210+ Title Bracket · Round 3 · submission
-
Won
vs Corbin Levi
(Quantum Jiu-Jitsu)
210+ Title Bracket · Round 2 · submission
-
Won
vs Joshua Hopkins
(Alliance Jiu Jitsu Fredericton)
210+ Title Bracket · Round 1 · submission
NAGA Massachusetts Grappling Championship 2026-08-15
🥇 1st Men No-Gi / Expert / 250 & Over (Ultra Heavy Weight) / Adult · 🥈 2nd Absolute No-Gi Men / 18 & above / Expert
-
Lost
vs Gabriel Costa
(617 Brazilian Jiu Jitsu)
Absolute No-Gi Men / 18 & above / Expert · Round 4 · points
-
Won
vs Eamon Callaghan
(Imperium Martial Arts inc.)
Absolute No-Gi Men / 18 & above / Expert · Round 3 · submission
-
Won
vs Agustin Gonzalez
(South Boston BJJ)
Absolute No-Gi Men / 18 & above / Expert · Round 2 · points
-
Won
vs Junior Datrindade
(Brabos Brazilian jiujitsu)
Men No-Gi / Expert / 250 & Over (Ultra Heavy Weight) / Adult · Round 2 · submission
-
Won
vs Junior Datrindade
(Brabos Brazilian jiujitsu)
Men No-Gi / Expert / 250 & Over (Ultra Heavy Weight) / Adult · Round 1 · submission
-
Won
vs John Semenuk
(Precision Jiu Jitsu NH)
Absolute No-Gi Men / 18 & above / Expert · Round 1 · points
East Coast Fight Store Absolute 7: Bad Summer 2026-07-19
🥇 1st Super Fights / Leblanc vs Dionne
-
Won
vs Francois LeBlanc
(Victory jiu jitsu)
Super Fights / Leblanc vs Dionne · Round 1 · submission
NAGA Boston Grappling Championship 2026-06-20
🥇 1st Men No-Gi / Expert / 200 - 224.9 (Heavy Weight) / Master (30+) · 🥇 1st Men No-Gi / Expert / 200 - 224.9 (Heavy Weight) / Adult · 🥇 1st Absolute No-Gi Men / 18 & above / Expert
-
Won
vs Terry Johnson
(Big Brothers BJJ)
Absolute No-Gi Men / 18 & above / Expert · Round 2 · submission
-
Won
vs Michael Cyr
(The Academy - Jay Jack)
Absolute No-Gi Men / 18 & above / Expert · Round 1 · no-show
-
Won
vs Thomas Cheviot
(Virtue Martial Arts)
Men No-Gi / Expert / 200 - 224.9 (Heavy Weight) / Master (30+) · Round 2 · submission
-
Won
vs Thomas Cheviot
(Virtue Martial Arts)
Men No-Gi / Expert / 200 - 224.9 (Heavy Weight) / Master (30+) · Round 1 · points
-
Won
vs Thomas Cheviot
(Virtue Martial Arts)
Men No-Gi / Expert / 200 - 224.9 (Heavy Weight) / Adult · Round 2 · submission
-
Won
vs Harper Klebart
(North Shore Brazilian Jiu-Jitsu Academy)
Men No-Gi / Expert / 200 - 224.9 (Heavy Weight) / Adult · Round 1 · submission
NAGA Connecticut Grappling Championship 2026-06-13
🥇 1st Men No-Gi / Expert / 200 - 224.9 (Heavy Weight) / Adult · 🥈 2nd Absolute No-Gi Men / 18 & above / Expert
-
Lost
vs Jesse Kosakowski
(Fighting Arts Academy CT)
Absolute No-Gi Men / 18 & above / Expert · Round 4 · points
-
Won
vs Riley McManus
(TRITAC Training Center)
Absolute No-Gi Men / 18 & above / Expert · Round 3 · points
-
Won
vs Jacob Sare
(.No team.)
Absolute No-Gi Men / 18 & above / Expert · Round 2 · walkover
-
Won
vs Yorgos Vassiliou
(NJ UNITED MMA)
Absolute No-Gi Men / 18 & above / Expert · Round 1 · points
-
Won
vs Tyler Schlomann
(Summit JiuJitsu)
Men No-Gi / Expert / 200 - 224.9 (Heavy Weight) / Adult · Round 3 · submission
-
Won
vs Cullen Johnson
(Teixeira MMA)
Men No-Gi / Expert / 200 - 224.9 (Heavy Weight) / Adult · Round 2 · submission
-
Won
vs Jacob Sare
(.No team.)
Men No-Gi / Expert / 200 - 224.9 (Heavy Weight) / Adult · Round 1 · submission
East Coast Fight Store Absolute 6: Level Up 2026-05-17
🥇 1st Absolute Bracket / Open Belt
-
Won
vs Nathan Douglas
(West Prince BJJ)
Absolute Bracket / Open Belt · Round 4 · points
-
Won
vs Tiger Levi
(Absolute BJJ NB)
Absolute Bracket / Open Belt · Round 3 · submission
-
Won
vs Justin Sears
(Breakthrough Martial Arts)
Absolute Bracket / Open Belt · Round 2 · points
-
Won
vs Damian Sentner
(Wulfrun Charlottetown)
Absolute Bracket / Open Belt · Round 1 · submission
Hub Grappling Event 2026-05-09
🥇 1st Male Absolute No-Gi / Adult / Absolute · 🥇 1st Male No-Gi / Advanced / Adult / 206 - 220 lbs
-
Won
vs Mike Conway
(Pictou County Jiu-Jitsu)
Male Absolute No-Gi / Adult / Absolute · Round 4 · submission
-
Won
vs Shelby Geldart
(Marmac Athletics)
Male Absolute No-Gi / Adult / Absolute · Round 3 · submission
-
Won
vs Josh Presley
(Presley BJJ)
Male Absolute No-Gi / Adult / Absolute · Round 2 · submission
-
Won
vs Mike Conway
(Pictou County Jiu-Jitsu)
Male No-Gi / Advanced / Adult / 206 - 220 lbs · Round 2 · submission
-
Won
vs Mike Conway
(Pictou County Jiu-Jitsu)
Male No-Gi / Advanced / Adult / 206 - 220 lbs · Round 1 · submission
ADCC Canada Calgary Open 2026 2026-04-04
🥈 2nd Men's Absolute / Adult / Advanced · 🥉 3rd Men / Adult (age 16+) / Advanced / -100,0 kg
-
Lost
vs Sean Molle
(Kuzushi Grappling Team)
Men's Absolute / Adult / Advanced · Round 4 · decision
-
Won
vs Corey Flude
(Hayabusa Academy (Kingston))
Men's Absolute / Adult / Advanced · Round 3 · points
-
Won
vs Ty Bridgwater
(Rocky Mountain BJJ)
Men's Absolute / Adult / Advanced · Round 2 · points
-
Won
vs Justin Aujla-Fieldt
(A-F ACADEMY)
Men / Adult (age 16+) / Advanced / -100,0 kg · Round 3 · points
-
Lost
vs Christian Simmerling
(Rocky Mountain BJJ)
Men / Adult (age 16+) / Advanced / -100,0 kg · Round 2 · points
NAGA Boston Grappling Championship 2026-02-28
🥉 3rd Men No-Gi / Expert / 200 - 224.9 (Heavy Weight) / Master (30+) · 🥈 2nd Absolute No-Gi Men / 18 & above / Expert
-
Lost
vs Guilherme Nascimento
(Brabos Brazilian jiujitsu)
Absolute No-Gi Men / 18 & above / Expert · Round 4 · points
-
Won
vs Jacob Dube
(Precision Jiu Jitsu NH)
Absolute No-Gi Men / 18 & above / Expert · Round 3 · submission
-
Won
vs Christopher Perreault
(Granite City MMA)
Absolute No-Gi Men / 18 & above / Expert · Round 1 · points
-
Won
vs Mauricio J Carvalho
(Pirâmide Grappling)
Men No-Gi / Expert / 200 - 224.9 (Heavy Weight) / Master (30+) · Round 1 · walkover
-
Lost
vs Thomas Cheviot
(Virtue Martial Arts)
Men No-Gi / Expert / 200 - 224.9 (Heavy Weight) / Master (30+) · Round 1 · decision
ADCC Canada Open Toronto 2026 2026-02-14
🥉 3rd Men / Adult (age 16+) / Advanced / -100,0 kg · 🥇 1st Men's Absolute / Adult / Advanced
-
Won
vs Jakob Müller
(GFTEAM)
Men's Absolute / Adult / Advanced · Round 4 · submission
-
Won
vs Andrew Elliott
(Maximum Training Centre)
Men's Absolute / Adult / Advanced · Round 3 · submission
-
Won
vs Brandon Manarin
(PSLPB CICERO COSTHA)
Men's Absolute / Adult / Advanced · Round 2 · submission
-
Won
vs Nebojsa Jovanovic
(Toronto BJJ)
Men / Adult (age 16+) / Advanced / -100,0 kg · Round 3 · submission
-
Won
vs Paolo McNeill
(374 MMA)
Men / Adult (age 16+) / Advanced / -100,0 kg · Round 2 · submission
-
Lost
vs Henry Zachary
(Assembly Jiu Jitsu)
Men / Adult (age 16+) / Advanced / -100,0 kg · Round 2 · submission
-
Won
vs Nebojsa Jovanovic
(Toronto BJJ)
Men / Adult (age 16+) / Advanced / -100,0 kg · Round 1 · points
NAGA Rhode Island Grappling Championship 2026-01-31
🥇 1st Men No-Gi / Expert / 225 - 249.9 (Super Heavy Weight) / Adult · 🥈 2nd Absolute No-Gi Men / 18 & above / Expert
-
Lost
vs Kevin Viveros
(Knuckle Deep Jiujitsu)
Absolute No-Gi Men / 18 & above / Expert · Round 4 · points
-
Won
vs Guilherme Nascimento
(Brabos Brazilian jiujitsu)
Absolute No-Gi Men / 18 & above / Expert · Round 3 · submission
-
Won
vs Michael Stoller
(5 Stones Jiu Jitsu)
Absolute No-Gi Men / 18 & above / Expert · Round 2 · submission
-
Won
vs Helsom Dias
(Daniel Gracie Team)
Men No-Gi / Expert / 225 - 249.9 (Super Heavy Weight) / Adult · Round 2 · submission
-
Won
vs Michael Stoller
(5 Stones Jiu Jitsu)
Men No-Gi / Expert / 225 - 249.9 (Super Heavy Weight) / Adult · Round 1 · submission
Flow Sub Only: Underground 6 2026-01-17
🥇 1st Cyr v Dionne-Roy - 265 CHAMPIONSHIP
-
Won
vs Michael Cyr
(The Academy - Jay Jack)
Cyr v Dionne-Roy - 265 CHAMPIONSHIP · Round 1 · submission
Breakthrough Grappling Series 12 2025-11-23
🥇 1st No-Gi / Men's 220lbs Bracket
-
Won
vs Andrew MacRae
(374 MMA)
No-Gi / Men's 220lbs Bracket · Round 3 · submission
-
Won
vs Corbin Levi
(Quantum Jiu-Jitsu)
No-Gi / Men's 220lbs Bracket · Round 1 · submission
ADCC Canada Vancouver Open 2025 2025-10-25
🥇 1st Men / Adult (age 16+) / Advanced / -100,0 kg
-
Won
vs Michael Evans
(10th Planet Vancouver)
Men / Adult (age 16+) / Advanced / -100,0 kg · Round 3 · submission
-
Won
vs Samson Haire
(Hood Rich Jiu Jitsu)
Men / Adult (age 16+) / Advanced / -100,0 kg · Round 2 · points
NAGA Connecticut Grappling Championship 2025-06-21
🥇 1st Men No-Gi / Expert / 225 - 249.9 (Super Heavy Weight) / Master (30+) · 🥉 3rd Absolute No-Gi Men / 18 & above / Expert
-
Won
vs Sergio Ferreira
(Teixeira MMA)
Absolute No-Gi Men / 18 & above / Expert · Round 4 · submission
-
Lost
vs Rodrigo Correia Silvares
(Nova União Connecticut)
Absolute No-Gi Men / 18 & above / Expert · Round 3 · submission
-
Won
vs Greg Hills
(Manchester BJJ)
Absolute No-Gi Men / 18 & above / Expert · Round 2 · points
-
Won
vs Lucas Johnson
(North Fork Jiu-Jitsu)
Absolute No-Gi Men / 18 & above / Expert · Round 1 · points
-
Won
vs Denis Silva
(THE MATCH CHAMP USA)
Men No-Gi / Expert / 225 - 249.9 (Super Heavy Weight) / Master (30+) · Round 2 · walkover
-
Won
vs Denis Silva
(THE MATCH CHAMP USA)
Men No-Gi / Expert / 225 - 249.9 (Super Heavy Weight) / Master (30+) · Round 1 · walkover
Breakthrough Grappling Series 10 2025-05-25
🥈 2nd Main Event - 220lbs Championship
-
Lost
vs Rory Gillis
(KNOTS JIU-JITSU)
Main Event - 220lbs Championship · Round 1 · points
ADCC Canada Montreal Open 2025 2025-04-19
🥇 1st Men / Adult (age 16+) / Advanced / +100,0 kg
-
Won
vs Michael Cyr
(Team Moreira Biddeford)
Men / Adult (age 16+) / Advanced / +100,0 kg · Round 2 · submission
-
Won
vs Dardan Berisha
(Battle Arts Academy, Mississauga)
Men / Adult (age 16+) / Advanced / +100,0 kg · Round 1 · submission
Submission Arts United: Championnats D'hiver De Montreal 2025 2025-02-15
🥇 1st Homme NoGi / Avancé / Adult / -97,5 kg (Super-Lourd)
-
Won
vs Leo Saintil
(Elite JJ)
Homme NoGi / Avancé / Adult / -97,5 kg (Super-Lourd) · Round 3 · submission▶ Watch at 6:24:57
-
Won
vs Audric Trieu
(450 Jiujitsu)
Homme NoGi / Avancé / Adult / -97,5 kg (Super-Lourd) · Round 2 · decision▶ Watch at 5:42:27
ADCC Canada Toronto Open 2025 2025-02-01
🥈 2nd Men / Adult (age 16+) / Advanced / -100,0 kg
-
Lost
vs Henry Zachary
(Assembly Jiu-Jitsu)
Men / Adult (age 16+) / Advanced / -100,0 kg · Round 3 · decision
-
Won
vs Dardan Berisha
(Battle Arts Academy, Mississauga)
Men / Adult (age 16+) / Advanced / -100,0 kg · Round 2 · submission
-
Won
vs Nebojsa Jovanovic
(Toronto BJJ)
Men / Adult (age 16+) / Advanced / -100,0 kg · Round 1 · submission
Teams
- Citadelle 23 events, last 2026-09-27
- Tristar Gym 4 events, last 2025-10-25
- Royal Jiu-Jitsu Quebec 3 events, last 2025-04-19
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