Tennis/ˈtenɪs/ Definition 1 of 2Pro Tip 1/3Players Count Tennis can be played with 2 players (singles) or 4 players (doubles). She enjoys playing doubles more than singles in tennis. Pro Tip 2/3Tennis Surface Tennis can be played on different surfaces like grass, clay, or hard courts. He prefers grass courts for tennis, saying it's faster. Pro Tip 3/3Scoring Terms Tennis has unique scoring terms like 'love', 'deuce', and 'advantage'. The score is now deuce; both players have a chance to win the tennis game.