Sport Jiu-Jitsu Tournaments OJA News: Barton Hosts the return of Sport Jiu-Jitsu in Ontario Ontario Jiu-Jitsu Association Webmaster October 25, 2022 Check out Dave Doucette live from the Barton martial arts tournament! Continue Reading Next OJA News: Ontario Jiu-Jitsu Provincial Championships hosted in Niagara Falls More Stories Tournaments 🏆 Live Stream Alert: Canadian Jiu-Jitsu Association National Championship Matches Tomorrow! 🇨🇦 Ontario Jiu-Jitsu Association Webmaster June 8, 2024 Brazilian Jiu-Jitsu Event Tournaments The Ontario Jiu-Jitsu Association in the News at the Windsor Open Ontario Jiu-Jitsu Association Webmaster May 27, 2024 Sport Jiu-Jitsu Tournaments Canadian Sport Jiu-Jitsu National Championships Ontario Jiu-Jitsu Association Webmaster May 6, 2024