Is there a way to make F3 only go to the window I have it targeted for?

Imagine you are fighting in PVP and, as most people do, you start button mashing. If you button mash your PiP hotkeys you're gonna be in some hurt when you start getting the wrong guys.

Is there a way we can disable the round-robin of BOOBS?

And ITM, I prefer ( . )( . )