The dramatic video shows Nicolai Vlasenko, who is also a martial arts expert, teaching the would-be hardman a lesson outside a nightclub in Russia
According to DailyMailOnline, 29-year-old Nicolai Vlasenko was out with his wife when a group of men began to harass her.
The situation escalated and the men took the fight outside.
Closed-circuit television cameras show Vlasenko take on a group of about ten – landing two quick punches and putting two men on the ground.
A third man was also quickly dispatched by Vlasenko before the fight broke up.
According to DailyMailOnline, police saw the video and decided not to take action against the boxer .