At the recent Battle on the Plains III tournament, I saw one match where two teammates were set to compete against each other. When the match started, they walked out onto the mat and threw rock, paper, scissors. The loser bent over and tapped the mat, ending the match.I don't know why they decided to do it this way. Perhaps they didn't want to risk injury or wear themselves out on their own teammate, maybe they wanted to save their fighting for outside competition. It could be that they feel like their friendship is better when they don't compete with each other, or they just don't like to.
Whatever the reason, I thought it was a very diplomatic solution. Sara and I used to do rock, paper, scissors to decide who would stay and who would rotate when we traded partners in jiu-jitsu class, until Conan started designating that the senior student should stay. He probably did that because it is the etiquette, and to save time, but I think it's mostly because he enjoys killing all that is fun.
I just hope it wasn't each of those competitors' only chance to fight at the tournament that day, because we didn't get that one on video. It's a shame, too, because it was epic! Rock won, of course. Rock should always win.