Fog of War setting problem

We need more information about what is your fog of war.
How do you handle it ?

So, i have Fog of War. How can i hide the tree, if tree covered by fog. Screenshots can say more about the problem then my words!

It is a plane mesh with translucent material. Also, i have fog substruct material for clearing location.

handle without “Disable Depth test” gives me this result. What kind of additional information do you need?