Front end does not just refer to what you can see on your screen. Your computer is only displaying a small view of what the camera sees of the 3D environment it is calculating.
As to intentional ramming, yes, it can happen though it takes luck and/or persistence. While you fly back and forth in front of his plane trying to hit it with the image of your plane on his computer, you better hope he is out of ammo or he will just blow you out of the sky.