Track measures

Tennis is played on a rectangular, flat plot of land, usually grass, clay, a hardcourt of concrete .
The court is  23.77 m long, and  8.23 m wide for singles matches and 10.97 m for doubles matches. The space around the court is required in order for players can reach  balls.
The net is 1.07 m high  and 91.4 cm high in the center.
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LINES:  delimit the wide of the court are called the baseline (farthest back) and the service line (middle of the court), all the lines are required to be between 1 and 2 inches (51 mm) in wide.