Tennis: a racket sport in which players hit a ball back and forth; played in singles or doubles.
週末に友達とテニスをする予定です。
I'm planning to play tennis with friends this weekend.
彼女は高校のときテニス部に所属していた。
She was a member of the tennis club in high school.
テニスの試合をテレビで観戦した。
I watched a tennis match on TV.