Service Line Meaning in Tennis

The service line is the line that marks the front of each service box. It runs parallel to the net. A serve must land between the net and this line. If the ball lands past it, the serve is long. The service line helps define the correct service area. It also shapes positioning during play. For example, a serve lands just inside the service line. The umpire calls it good. The rally begins immediately. The service line ensures fair and accurate serving.