Could any please tell me what does the term \let\ mean in the game tennis?
A LET call is often mistaken for a NET call, but actually they are unrelated. a) A LET is a call than can be made at any time during play, so from as soon the server tosses the ball to serve, until the point is made. When a LET call is made, the point will be replayed. b) A NET call can only be made when serving, when the ball touches the net (sometimes even when the serve goes in the net, although the NET call is in that case superfluous). So the serve can go NET>out or NET>in. And in the case of NET>IN, it’s a LET (because the serve will be replayed). So the most common LET call is indeed the serve (first or second) that touches the net but is subsequently “in”. Also, when playing at your club with several adjacent tennis fields, it is pretty common that a ball from your neighbors ends up rolling over your court. In that case any player can call “LET” and the “entire point” will be replayed. Since the televised tournaments don’t have adjacent fields but always secluded courts (like c
