In the center of the court, you can see the tennis net stretched whose real height we are going to discuss in this article. Tennis Nets. A tennis court is the rectangular surface on which actual tennis game is played. While the length (42') and height (42") of the nets are standard, the thickness of the netting, the headband, the net … The tennis court can be used to play singles and doubles matches. The first step in setting up a court for any sport is to understand its dimensions so you can mark off the correct square footage for the court itself and apply lines to the correct areas. Dimensions for Tennis, Pickleball, and Volleyball Courts. Not all tennis court nets are created equal.