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Joshua Roberts

Mamute Martial Arts Academy · Ontario

83–25
Record
72%
Submission rate
3y 9m
Career
1:49
Avg match
1.7
Avg place

Brazilian Jiu-Jitsu competitor. 108 matches across 28 events since Jan 2023, from Smoothcomp results.

#143 in Canada · #75 in Ontario

Rating over time Rating 2029+22

May 2, 2026·+22 · 3–0· 2026 Ontario Open KIDS International Jiu Jitsu Championship - GI Edition

L10 W W W W W W W W W W
10-win streak
Top 5 best wins
OpponentTheir rating
  • 1
    Michael Iakovenko 2024 GTA Classic - Gi & NoGi · Sep 2024
    2135
  • 2
    James Mccabe 2025 Durham Classic · Feb 2025
    2118
  • 3
    Maxim Gilka 2023 Ontario Open NoGi + ACE Cup Gi · Oct 2023
    2001
  • 4
    Richard Tomson 2026 Ontario Open KIDS International Jiu Jitsu Championship - GI Edition · May 2026
    1942
  • 5
    Aidar Dunganov 2026 Ontario Open KIDS International Jiu Jitsu Championship - GI Edition · May 2026
    1926

Opponents & match history

108 matches

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

2026 Ontario Open KIDS International Jiu Jitsu Championship - GI EditionMay 2, 2026 · expected 2.3 wins 3–0+22 rating
W
Richard TomsonWarrior Mixed Martial Arts - Newmarket
points4:00
W
Aidar DunganovYork Judo BJJ
decision4:00
W
Easton MartensApe Jiu Jitsu
submission2:23
Full event results →
2026 Durham ClassicFeb 21, 2026 · expected 4.2 wins 5–0+32 rating
W
Marcus LiToronto Top Team
submission
W
Richard TomsonWarrior Mixed Martial Arts - Newmarket
points4:00
W
Theo HertzmanYGK - BO4 Kingston
submission0:38
W
Richard TomsonWarrior Mixed Martial Arts - Newmarket
submission1:51
W
Jaxson RicuperoGUVNA BJJ
submission0:18
Full event results →
Show 25 older tournamentsHide older tournaments
2025 Ontario Open NoGi + ACE Cup GiOct 25, 2025 · expected 4.4 wins 4–2−11 rating
W
Easton MartensApe Jiu Jitsu
submission0:34
W
Omar GasimliCFA
submission0:35
L
Evan ThomasKing of the Mats
submission2:22
W
Easton MartensApe Jiu Jitsu
submission2:39
W
Andrii KychakXtreme Couture Toronto
points4:00
L
James MccabeOshawa BJJ and Fitness
points4:00
Full event results →
2025 Ontario Open KIDS International Jiu Jitsu Championship - GI EditionMay 3, 2025 · expected 2.4 wins 3–0+25 rating
W
Richard TomsonWarrior Mixed Martial Arts - Newmarket
submission1:32
W
Rory BuschPSLPB CICERO COSTHA
submission0:16
W
Julien TimollPound4Pound - Resolute Jiu-Jitsu
submission0:20
Full event results →
NAGA Albany Grappling ChampionshipFeb 15, 2025 · expected 3.6 wins 4–0+11 rating
W
Logan MartinezAmerican Top Team - Watertown
submission0:41
W
Nikolai TreriseMatt Secor BJJ
submission0:32
W
Logan MartinezAmerican Top Team - Watertown
submission0:43
W
Logan MartinezAmerican Top Team - Watertown
submission0:23
Full event results →
2025 Durham ClassicFeb 8, 2025 · expected 3.9 wins 4–3+2 rating
L
Dominic Duarte ZeenniCurrent BJJ
submission0:48
L
Maxim GilkaBattle Arts Academy, Mississauga
submission3:18
L
Grayson GarrityHuron BJJ
submission0:41
W
JJ WassilynSBG Canada
submission0:59
W
Calem HedleyNiagara BJJ ( Cicero Costha)
points4:00
W
James MccabeOshawa BJJ and Fitness
submission2:00
W
Yu YUANYorkdale Martial Arts
submission0:45
Full event results →
2024 Ontario Open NoGi + ACE Cup GiOct 19, 2024 · expected 1.8 wins 2–0+13 rating
W
Alan YusupovXtreme Couture Toronto
submission0:34
W
Alan YusupovXtreme Couture Toronto
submission0:57
Full event results →
2024 GTA Classic - Gi & NoGiSep 7, 2024 · expected 3.7 wins 5–1+30 rating
W
Luther Lim10th Planet Etobicoke, Toronto
submission0:42
W
Shreetej AcharyaHuron-Bruce Mixed Martial Arts
submission0:19
L
Michael IakovenkoCurrent BJJ
submission0:27
W
Calem HedleyNiagara BJJ ( Cicero Costha)
points3:00
W
Michael IakovenkoCurrent BJJ
points3:00
W
Michael IakovenkoCurrent BJJ
decision3:00
Full event results →
2024 Canadian Nationals Jiu Jitsu TournamentJun 9, 2024 · expected 1.1 wins 1–1−1 rating
L
ENZO DA ROSA MUÇAMBITEGracie Barra North York Toronto
points1:30
W
Elias HampdenGUVNA BJJ
submission1:13
Full event results →
2024 Kids Jiu Jitsu FestivalJun 8, 2024 · expected 2.3 wins 2–1+6 rating
W
Gabriel RosaYorkdale Martial Arts Academy
submission0:34
W
Filip KatsarosGracie Humaita Mississauga
submission0:31
L
Michael IakovenkoCurrent BJJ
points3:00
Full event results →
2024 Ontario Open KIDS International Jiu Jitsu Championship - GI EditionMay 4, 2024 · expected 1.8 wins 2–0+6 rating
W
Oliver NicolettiParadigm Martial Arts
submission0:16
W
Eric JohnsonMN BJJ Academy
submission1:22
Full event results →
Grappling Industries SYRACUSEApr 13, 2024 · expected 3.4 wins 4–0+22 rating
W
Benjamin OkunHaven Jiu Jitsu
submission2:23
W
Edmund KnightIthaca BJJ
submission0:37
W
Rocco PintiUltimate Athletics- Syracuse
submission2:21
W
Benjamin OkunHaven Jiu Jitsu
submission1:00
Full event results →
2024 Godai’s Grapple for Gold TournamentMar 16, 2024 · expected 4.4 wins 6–1+54 rating
W
Vincent PereiraYorkdale Martial Arts
submission0:11
W
Mason LairdBowen Brasa JiuJitsu
submission2:15
W
Enrique Resendes-TavaresYorkdale Martial Arts
submission1:37
W
Gabby Lavoie
submission0:09
W
Michael IakovenkoCurrent BJJ
submission0:47
L
Michael IakovenkoCurrent BJJ
decision3:00
W
Michael IakovenkoCurrent BJJ
submission0:52
Full event results →
NAGA Detroit Grappling ChampionshipMar 2, 2024 · expected 3.2 wins 4–0+33 rating
W
Rufat Basha10th Planet - Lombard
points3:00
W
Maximus JanikWestside Jiu Jitsu Academy
submission1:08
W
Rufat Basha10th Planet - Lombard
points3:00
W
Maxwell ConnorKola Ajose BJJ
submission1:47
Full event results →
ADCC CANADA OPEN 2024 - Toronto EditionFeb 3, 2024 · expected 2.0 wins 2–1−1 rating
W
Marshall BATMAN !!!!!King of the Mats
submission3:55
L
Michael IakovenkoCurrent BJJ
submission2:40
W
Luther Lim10th Planet Etobicoke, Toronto
submission1:47
Full event results →
Durham ClassicJan 27, 2024 · expected 2.2 wins 2–2−11 rating
W
Connor LerouxMuskoka Martial Arts
submission1:17
W
Jaxson RicuperoGUVNA BJJ
decision3:00
L
ENZO DA ROSA MUÇAMBITEGracie Barra North York Toronto
points3:00
L
ENZO DA ROSA MUÇAMBITEGracie Barra North York Toronto
submission2:05
Full event results →
2023 Ontario Provincial Jiu Jitsu ChampionshipDec 2, 2023 · expected 1.9 wins 1–2−18 rating
W
Eric JohnsonMN BJJ Academy
points3:00
L
Maxim GilkaBattle Arts Academy, Mississauga
submission1:53
L
Andrii LukashukYork Judo & BJJ
points3:00
Full event results →
2023 Ontario Open NoGi + ACE Cup GiOct 14, 2023 · expected 2.9 wins 4–0+42 rating
W
Eric JohnsonMN BJJ Academy
submission0:45
W
Maxim GilkaBattle Arts Academy, Mississauga
submission1:36
W
Grayson GarrityHuron BJJ
points3:00
W
Grayson GarrityHuron BJJ
submission1:00
Full event results →
2023 GTA ClassicSep 9, 2023 · expected 1.1 wins 1–2+3 rating
L
Calem HedleyNiagara BJJ ( Cicero Costha)
points3:00
L
James MccabeOshawa BJJ and Fitness
submission1:49
W
Andrii LukashukYork Judo & BJJ
points3:00
Full event results →
Oshawa BJJ OpenJul 29, 2023 · expected 4.0 wins 3–4−77 rating
W
Nathan GeorgeOcta BJJ
submission0:46
L
Evan ThomasKing of the Mats
submission0:42
L
Ahmed AlzardBrampton Brazilian Jiu-Jitsu Academy
submission2:27
L
James MccabeOshawa BJJ and Fitness
submission
W
Rafael Mariclakeshore
submission0:48
W
Rafael Mariclakeshore
points3:00
L
Rafael Mariclakeshore
submission1:09
Full event results →
NEXT GEN TORONTO 2023Jul 15, 2023 · expected 3.1 wins 3–1+8 rating
L
JJ WassilynSBG Canada
points3:00
W
Ramzey SauveRumble Martial Arts
points3:00
W
Liam YanSalvosa BJJ/Ascension
submission1:10
W
Nethaniel McIntyreHuron BJJ
points3:00
Full event results →
2023 Ontario Open KIDS International Jiu Jitsu Championship - GI EditionMay 7, 2023 · expected 2.7 wins 3–0+22 rating
W
Liam YanSalvosa BJJ/Ascension
points3:00
W
Cristian Salazar- OrtizNu Wave Jiu Jitsu Academy
submission1:41
W
Sawyer ConfortiPSLPB CICERO COSTHA
submission0:47
Full event results →
2023 Canadian Nationals Jiu Jitsu TournamentApr 1, 2023 · expected 2.3 wins 2–1±0 rating
W
Preston GrantFour-Eleven Brazilian Jiu Jitsu
submission1:00
L
Ayaan ChaudhryGracie Humaita Woodbridge
points3:00
W
Murilo JatobaSantos Brothers BJJ
submission
Full event results →
NEXT GEN NIAGARA 2023Mar 4, 2023 · expected 3.3 wins 4–0+61 rating
W
Roman SemenyagaThe Forge Martial Arts
submission
W
Elias PowerNiagara Top Team
submission0:40
W
Ayaan ChaudhryGracie Humaita Woodbridge
points3:00
W
Adrian ColeBora BJJ
submission2:04
Full event results →
Lutando Series: Woodbrige TorontoFeb 26, 2023 · expected 3.3 wins 4–1+95 rating
W
Xavier SantamariaXtreme Couture Toronto
points3:00
W
Michael HazimeToronto Top Team
submission1:06
W
Meilani LemboKINGJIUJITSU
submission1:46
W
Kobe SklarVaughan Jiu-Jitsu Academy
submission1:00
L
Niko PapadakosKINGJIUJITSU
points3:00
Full event results →
SUBMISSION ARTS UNITED: OTTAWA / EY CENTERFeb 18, 2023 · expected 2.1 wins 2–2−14 rating
W
Ali-Ray SheppardTristar Gym
submission1:19
W
Ali-Ray SheppardTristar Gym
submission1:20
L
Amelya CorneaSherbatov Gyms
points3:00
L
Amelya CorneaSherbatov Gyms
submission2:23
Full event results →
Submission war 6Jan 14, 2023 · expected 2.4 wins 3–0first rating
W
Remie Melendez CarminatiBJJ Battalion
points0:52
W
Kilian SkarbeckiBJJ Battalion
points1:58
W
Remie Melendez CarminatiBJJ Battalion
points1:04
Full event results →

Joshua Roberts is a Brazilian Jiu-Jitsu competitor out of Mamute Martial Arts Academy. JitsDex holds 108 matches across 28 events, going back to Jan 2023 — a 83–25 record compiled from Smoothcomp tournament results. JitsDex rates Joshua Roberts 2029, #143 of 3,906 kids in Canada and #75 in Ontario.

28 events · 108 matches · 27 gold · first event on record Jan 2023 · jitsdex.com

Rating 2029 · skill 2071 ± 84 · quality wins 28/8 · data as of 2026-10-24

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