Soft Tennis is played indoors or outdoors. It uses a soft rubber ball. The ball is harder to hit powerfully compared with regular tennis, so the matches have longer rallies.
Or would you like to play REAL Tennis
This original version of tennis was popular in then 16th and 17th centuries. It is played indoors with a ball heavier than a lawn tennis ball and players use wooden rackets.
See below for diagram of what a REAL Tennis court looks like.