Novak Djokovic leaves the court after his disqualification. AP
Novak Djokovic checks on the wellbeing of the line judge he struck with a ball during his US Open fourth round match against Pablo Carreno Busta. Reuters
Novak Djokovic checks on the line judge. Reuters
Novak Djokovic talks with the match umpire. PA
Novak Djokovic tries to help the line judge. EPA
Novak Djokovic tries to help the line judge. EPA
Novak Djokovic, of Serbia, talks with tournament officials after the incident. PA
Novak Djokovic talks with a match official. PA
Novak Djokovic waits for a decision by US Open officials. EPA
Novak Djokovic talks to the head of officiating at the International Tennis Federation Soeren Friemel. EPA
Novak Djokovic talks to the head of officiating at the International Tennis Federation Soeren Friemel. EPA
Novak Djokovic walks off the court with Soeren Friemel. EPA
Novak Djokovic shakes hands with Pablo Carreno Busta after the Serb's disqualification. PA
Novak Djokovic leaves the court after his disqualification. AP
Novak Djokovic checks on the wellbeing of the line judge he struck with a ball during his US Open fourth round match against Pablo Carreno Busta. Reuters
Novak Djokovic checks on the line judge. Reuters
Novak Djokovic talks with the match umpire. PA
Novak Djokovic tries to help the line judge. EPA
Novak Djokovic tries to help the line judge. EPA
Novak Djokovic, of Serbia, talks with tournament officials after the incident. PA
Novak Djokovic talks with a match official. PA
Novak Djokovic waits for a decision by US Open officials. EPA
Novak Djokovic talks to the head of officiating at the International Tennis Federation Soeren Friemel. EPA
Novak Djokovic talks to the head of officiating at the International Tennis Federation Soeren Friemel. EPA
Novak Djokovic walks off the court with Soeren Friemel. EPA
Novak Djokovic shakes hands with Pablo Carreno Busta after the Serb's disqualification. PA
Novak Djokovic leaves the court after his disqualification. AP