Group of people in martial arts uniforms, some kneeling in front and others standing behind, on a judo mat with a colorful dragon mural in the background.
Two women competing in a submission grappling match, with one woman in a white shirt and black pants, and the other in a black shirt and pants. They are on a mat, surrounded by spectators and officials, at a Submissions Challenge event.
Two children competing in a Brazilian Jiu-Jitsu match, wearing gis and grappling on the mat, with a crowd of spectators watching in the background.
Two men practicing Brazilian Jiu-Jitsu on a mat, with one man in a white gi and the other in a black gi, engaged in a ground fighting technique in a gym.
Two young men competing in a grappling match on a black mat, surrounded by bystanders, with one on top and the other on the bottom.