In a singles match, the players ask the marker to measure to determine the result of the end. One player is not satisfied with the measure and pulls out a measure to check the result. The opponent objects. What should happen?
The decision must be satisfactory to the players. If the marker is unable to come to a decision satisfactory to the players the marker shall call the umpire whose decision shall be final. Law 44.2.14
In a singles game a spectator seated on the bank behind the head seems to be assisting one of the players by indicating which shot should be played. Is this permitted?
No. Spectators should not disturb or advise the players in any way. Law 45.3