<P> Tennis is played on a rectangular , flat surface . The court is 78 feet ( 23.77 m ) long , and 27 feet ( 8.2 m ) wide for singles matches and 36 ft ( 11 m ) for doubles matches . Additional clear space around the court is required in order for players to reach overrun balls . A net is stretched across the full width of the court , parallel with the baselines , dividing it into two equal ends . It is held up by either a metal cable or cord that can be no more than 0.8 cm ( ⁄ in ) . The net is 3 feet 6 inches ( 1.07 m ) high at the posts and 3 feet ( 0.91 m ) high in the center . The net posts are 3 feet ( 0.91 m ) outside the doubles court on each side or , for a singles net , 3 feet ( 0.91 m ) outside the singles court on each side . </P>
<P> Tennis is played on a rectangular , flat surface . The court is 78 feet ( 23.77 m ) long , and 27 feet ( 8.2 m ) wide for singles matches and 36 ft ( 11 m ) for doubles matches . Additional clear space around the court is required in order for players to reach overrun balls . A net is stretched across the full width of the court , parallel with the baselines , dividing it into two equal ends . It is held up by either a metal cable or cord that can be no more than 0.8 cm ( ⁄ in ) . The net is 3 feet 6 inches ( 1.07 m ) high at the posts and 3 feet ( 0.91 m ) high in the center . The net posts are 3 feet ( 0.91 m ) outside the doubles court on each side or , for a singles net , 3 feet ( 0.91 m ) outside the singles court on each side . </P>
how high is the center of the tennis court net
how high is the center of the tennis court net
3 feet ( 0.91 m ) high
3 feet ( 0.91 m ) high