Tennis: Countdown starts to players on the clock at U.S. Open

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IN—The WTA, ATP and USTA will introduce a shot clock at the U.S. Open and hardcourt events in the run up to the year's final Grand Slam in an attempt to speed up the game, the tennis governing bodies said on Wednesday.

Countdown starts to players on the clock at U.S. Open. The WTA, ATP and USTA will introduce a shot clock at the U.S. Open and hardcourt events in the run up to the year's final Grand Slam in an attempt to speed up the game, the tennis governing bodies said on Wednesday.