You can win against a khan for his high sustain plus damage. If spotted get behind and create a crossfire to make him show his back to your team or to die from your poke.

You can avoid his reload stun with obliterate/ult and cleanse/avoid his ult with your ult Cripple him to keep him from running

You negate her beam stun with your obliterate and after that don’t miss or she can win

His silence will be the death of you..