Tennis is a game played on a rectangular-shaped court, which can be one of many surfaces. It is either played with two players (singles match), or four players (doubles match). Players stand on opposite sides of the of the net and use a stringed racquet to hit the ball back and forth to each other.
Playing tennis lets you develop cardiovascular fitness without the boredom of running on a treadmill or the potential injuries of other sports. A fast-paced, exciting game of tennis two or three times a week is a serious workout for your heart and lungs.
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