Traditionally, tennis is played between two people in a Singles match, or four players in a Doubles match. However, popular variations allowing play between three players (of which two or three are on the court at any one time) have emerged.
Singles
in tennis is the body of competition that features individual players competing one-on-one. There are separate singles competitions for men and women. The singles competition exists in counterdistinction to doubles.
Doubles
one team of two players on each side (four players in total). In this version, gender does not matter. Doubles utilizes a wider court than singles matches.
The Wimbledon mixed doubles champions of 1886
Mixed doubles
similar to the doubles game, but this version requires one man and one woman to be a team.
(from the UK) is generally used in training, and plays one player (playing with a singles court layout) versus two players (playing with a doubles court layout). Often the court rotates game by game taking it in turns to play on your own.
is played when one player is significantly better than 2 others. Two players on one side hitting into the singles court while the better player is alone hitting into the doubles court.