The player in red hits a cross court quickly and the ball travels towards the middle.The player in black hits an attacking drive on the volley but the ball lands in front of the short line and you have to consider where the striking point is.The player in red moves early into the opponent.The player in black takes a wide base and does not let the opponent through.Stroke is the correct decision as the player in black is making it too difficult to get past.The striker would have been able to make a good return but the opponent was not making every effort to avoid the interference, a stroke is awarded to the striker.