I see that you've gone for the, quick move, lots of easing, then another quick move, which I reckon is pretty effective. My only problem is when the black guy jumps up and kicks, then suddenly flips back. It just isn't right. I suggest not stretching the leg so much. I just can't see him getting enough force from the kick to flip over like that. Have the black guy bend his leg and move more into the red guy during the kick, that will build up the force for him to flip back. His leg is completely straight the whole time.