This setting helps maximize court utilization so there are no 'gaps' of downtime between reservations.

If we go to Settings > Booking Settings > Restrictions

And we scroll down to the bottom, we can see the setting 'Prevent "Sandwich" Times"'

This setting helps maximize court utilization so there are no 'gaps' of downtime between reservations.

This is the message the player will get when trying to create a reservation that falls into the sandwich gap.

You can Exclude Sandwich Times from Bypass Restrictions.

You can Apply Sandwich Times During Prime Times Only.