Novak Djokovic, of Serbia, checks a linesman after hitting her with a ball in reaction to losing a point to Pablo Carreno Busta, of Spain, during the fourth round of the US Open tennis championships

Title favourite Novak Djokovic was sensationally defaulted from the US Open after hitting a line judge with a ball.

Novak Djokovic 'extremely sorry' after US Open disqualification

The world number one has tested positive in the wake of a tennis tour event he helped organise earlier this month.

Tennis world number one Novak Djokovic tests positive for coronavirus

The video, captured by a local resident from his balcony, shows Djokovic taking part in an impromptu tennis match with three kids.

Novak Djokovic joins kids for late-night game of tennis in his hometown

Novak Djokovic has won his eighth Australian Open title and the 17th grand slam of his career, beating Dominic Thiem in a five-set final.

Djokovic beats Thiem in five-set final to win eighth Australian Open title

Novak Djokovic's US Open title defence came to an end after he retired injured while two sets down to Stan Wawrinka

Djokovic retires from US Open with injury

Novak Djokovic won his 5th Wimbledon title in dramatic five-set epic over fan-favourite Roger Federer

Djokovic wins 5th Wimbledon title in five-set epic over Federer

Novak Djokovic made light work of Rafael Nadal to brush aside the Spaniard and win the Australian Open.

Deadly Djokovic brushes Nadal aside to win Australian Open

Alexander Zverev landed the biggest win of his career by shocking Novak Djokovic to win the ATP Finals

Zverev stuns Djokovic to win ATP Finals

Novak Djokovic avoided suffering the same fate as Roger Federer as he overcame the never-say-die John Millman to reach the semi-finals.

Djokovic overcomes Millman to reach US Open last four

Novak Djokovic overcame Rafael Nadal in another epic Wimbledon semi-final.

Djokovic edges out Nadal to set up Wimbledon final with Anderson

Djokovic will return to Queen's after an eight-year hiatus as the former world number one begins his grass court season.

Djokovic to play Queen's for first time in eight years

Djokovic suffered a recurrence of his elbow problems and was beaten in the fourth round of the Australian Open by inspired Chung Hyeon.

Inspired Chung Hyeon beats Djokovic in Australia

Djokovic insisted there has been no talk of an Australian Open boycott as he hit back at reports of his role in Friday's player meeting.

Djokovic plays down Australian Open player boycott

Novak Djokovic still not feeling 'fully fit' ahead of the Australian Open despite good comeback result against Dominic Thiem.

Djokovic still not 'fully fit' ahead of Australian Open

Novak Djokovic set up a quarter-final against Tomas Berdych with a 6-2 7-6 (7/5) 6-4 victory against French left-hander Adrian Mannarino.

Novak Djokovic