Originally Posted by dealt_with
Do you know how to throw any punches? If so, time one of them to land on his face or body as he is lunging in. That's all there is to it, there's no secret. What did you expect, somebody to tell you to watch his left hip and then throw a double right hand? Boxing isn't an equation so I don't know what sort of answer you were expecting.
It's not as simple as just hitting him as he comes in, there is obviously improvements to footwork and positioning that are needed, like boxbible said I'm probably squaring up too much.