48a Elementary Tennis. The fundamentals of tennis; the forehand and backhand drives: the service; ganeral court position for singles and doubles; scoring; general knowledge of the rules and of elementary tactics. RR ged 48b Intermediate Tennis. Continuation of study and practice in the fundamentals of tennis with the addition of the volley and the lob; strategy of the game; detailed study of the rules and of tennis etiquette. Prerequisite, course 48a or equivalent. : : | { 48c Advanced Tennis. The advanced technic of =| tennis; the overhead smash; the chop and half- volley; advanced strategy and tactics; practice. in officiating. Prerequisite,ยข6urse 48b or equivalent.