Crusafitch

If a doubles team audibly communicates loudly during a point, they forfeit the point.

If an additional ball enters the court while a point is in progress, the point must be replayed.

Rallies on the hard court are longer than the grass but generally shorter than on clay.

The net is 3 feet and 6 inches high at the post and 3 feet high at the center.

The net which is placed at the center of the court, parallel with the baselines, divides the court into two equal parts.

The service lines are 21 feet from the net on each side.

The court is a firm rectangular surface with a low net stretched across the center.

Tennis court is the venue where a tennis match is played.

An estimated 54,250 tennis balls are used during official match.