Russian Muay Thai League President and coach Sergey Zayashnikov organizes street brawl not so often – all in all, it’s a big risk.

«I can’t predict all the details, but there is only 50% chance that no injury will be done. When you fight as you are on the street, anything can happen».

His students – business owners, company CEOs, top managers – ask for this «test with blood» themselves after year or two in the training.

Why do they put themselves at such a risk?