The move you describe is rapid kick or punch dependent upon who you are using.If it's Terry Rogers, he'll do the rapid palm punch.That move is going to allow you to weaken your opponent somewhat so that you are able to grapple and successfully pull off a move.
I don't have a copy of the game on hand at the moment but if I did,I could take you through some of the moves...
In the meantime ,work your way to one of the corners so that you are able to climb the rope and dive on your opponent as that's another way to weaken your opponent so that you have a chance to win a grappling encounter.
BB