So I just picked up the racket sport of Tennis. I play individually but it can also be played between two teams of two.
That sounds great, ive always wanted to get into tennis sports but dont really know much about it, is it difficult? 
It can be but practice and you will become better. The tennis ball is rubber but hollow. Its also covered in felt.
Yeah practice is always something that can really make you better at it. Dont they have tennis at the Olympics?
gain a point, while the opposite player will.
Tennis is an Olympic sport and is played at all levels of society and at all ages. The sport can be played by anyone who can hold a racket, including wheelchair users. The modern game of tennis originated in Birmingham, England, in the late 19th century as lawn tennis. It had close connections both to various field (lawn) games such as croquet and bowls as well as to the older racket sport today called real tennis. During most of the
Tennis
Tennis is a racket sport that can be played individually against a single opponent (singles) or between two teams of two players each (doubles). Each player uses a tennis racket that is strung with cord to strike a hollow rubber ball covered with felt over or around a net and into the opponent's court. The object of the game is to maneuver the ball in such a way that the opponent is not able to play a valid return. The player who is unable to return the ball will not