Preventing a Boxer from coming in with your guard hand is an important tactic to use to defeat a Boxer

When facing a Boxer whose jabs and strikes are very fast, keeping him at bay with your guard-hand is an excellent tactic. In this way, his fast strikes would not be a threat as he cannot move near enough to reach you. If he comes near, you can strike his eyes or throat with the fingers of your guard-hand. Hence, using the guard-hand in this way effective neutralize the strength of a Boxer.