Shot Clock Meaning in Tennis

The shot clock is a visible timer between points. It counts down the allowed time before the next serve. Players must serve before the clock reaches zero. This system prevents unnecessary delays. The clock usually gives twenty five seconds. It appears on screens around the stadium. For example a player prepares slowly after a long rally. The shot clock continues to count down. If time expires the umpire issues a violation. The shot clock keeps matches moving efficiently. It supports fairness for both players.