Ninja needs to move 2x as fast with his feet.He has good endurance but overly cautious to go in for attack and his mistake is to wait for the opponent to regain his balance sideways. Strike b4 opponent is balanced and set with his footing,while he is shifting to throw him off. Later learn to hit with palm/elbow/chop-hand,,,the harder parts,not softer. You really caused pain to his stomach right & center,liver area. I watched in Slow motion to detect your moves. Even your dance b4 fight intimidated him.Fear in his face.