6. THE ORDER OF PLAY
------------------------------------------------------------------------
6.1 In singles, the server shall first make a good service, the receiver
shall then make a good return, and thereafter, server and receiver alternately
shall each make a good return.
6.2 In doubles, the server shall first make a good service, the receiver
shall then make a good return, the partner of the server shall then make
a good return, the partner of the receiver shall then make a good return,
and thereafter, each player alternately in that sequence shall make a good
return.