Answer: volleying

AnswerCrossword Clue
VOLLEYINGTennis on the fly
VOLLEYINGWarming up, to Marat Safin
volleyingScore (a goal) with such a shot
volleyingVOLLEY, to return a ball before it touches the ground
volleying(in sports, esp. tennis or soccer) Strike or kick (the ball) before it touches the ground
volleying(in tennis and similar games) Play a pregame point, sometimes in order to determine who will serve first
volleyingUtter or discharge in quick succession