https://bugs.winehq.org/show_bug.cgi?id=47494
--- Comment #6 from Tobias (:Tobbi) Markus tobbi.bugs@googlemail.com --- (In reply to Ken Thomases from comment #3)
Do you have System Preferences > Mission Control > Displays have separate Spaces enabled?
Yes.
What version of macOS are you running?
I'm using Mac OS X High Sierra (Version 10.13.6 (17G7024))