Tennis is a highly popular and globally recognized sport played by two or four players, utilizing rackets to hit a ball back and forth across a net, with the objective of landing the ball within the boundaries of the opponent's court while avoiding hitting the ball out or into the net, employing a variety of strategic shots and techniques such as serves, volleys, groundstrokes, and smashes, requiring physical agility, hand-eye coordination, stamina, and mental focus, and it can be played on various surfaces including grass, clay, and hard courts, with professional tournaments like the Grand Slam events attracting massive audiences and featuring top-ranked players competing for titles and accolades.