3. At the end of the first game the striker-out shall become server, and the server shall become striker-out; and so on, alternately, in all the subsequent games of the set, or series of sets.
4. The server shall serve with one foot on the base line, and with the other foot behind that line, but not necessarily upon the ground. He shall deliver the service from the right to the left courts alternately, beginning from the right.
5. The ball served must drop between the service line, half-court line, and side line of the court, diagonally opposite to that from which it was served.
6. It is a fault if the server fail to strike the ball, or if the ball served drop in the net, or beyond the service line, or out of court, or in the wrong court; or if the server do not stand as directed by law 4.
7. A ball falling on a line is regarded as falling in the court bounded by that line.
8. A fault cannot be taken.
9. After a fault the server shall serve again from the same court from which he served that fault, unless it was a fault because he served from the wrong court.
10. A fault cannot be claimed after the next service is delivered.
11. The server shall not serve till the striker-out is ready. If the latter attempt to return the service he shall be deemed ready.