Cultural Knowledge TENNIS Racquet a game for two people baseline foot fault or two pairs of people who service lIne linesman use rackets to hit a small soft ball backwards and厦东 ballboy rd judge BrE/ forwards over a net t judge left service right service court doubles sideline Sideline back courtCultural Knowledge TENNIS A game for two people or two pairs of people who use rackets to hit a small soft ball backwards and forwards over a net