Is there any way to enable the borderless windowed mode with a triple monitor setup?

I have set both borderless and windowed to true in the .cfg file.
From my google searching, it seems that the game resolution and the desktop resolution have to be the same or the borderless window is disabled automatically.

The problem I am having is that my desktop resolution is 5760x1080 because of the three monitors, but there is no way I can set the game to be that high since it just stretches everything out and becomes unplayable.

So is there any way to have the game set to 1920x1080 resolution with my desktop resolution at 5760x1080 and still allow windowed mode? Even if its not borderless i'd be happy.

any help appreciated, thanks

-Adam