Do You Judo? Is so, how much Judo do you really know? BJJ fights start standing and any well rounded martial artist needs to know more than just how to pull guard or go to their back. Brush up on or improve the takedown skills you already have with our world class talent teaching special Judo for BJJ Classes at Gracie Sydney Brazilian Jiu Jitsu (BJJ). Judo Black Belt Professor Istvan Szasz (wiki here) is our instructor for all these classes. To see him in action take a look at the video below.