The permanent fixtures of the court include the backstops and side-stops,
the spectators, the stands and seats for spectators, all other fixtures around
and above the court, the chair umpire, line umpires, net umpire and ball persons
when in their recognized positions.
In a singles match played with a doubles net and singles sticks, the net
posts and the part of the net outside the singles sticks are permanent fixtures
and are not considered as net posts or part of the net.