The three-time champion retired hurt from his quarter-final against Tomas Berdych after he had lost the opening set and was down a break in the second.
A year that began with a 41-match winning streak, included three grand slam titles and saw him knock Rafa Nadal off his perch ended in tame fashion for a "drained" Novak Djokovic when he made an early exit from the ATP World Tour Finals, on Friday.
Tennis world number one Novak Djokovic pledged one million euros ($1.10 million) to help buy ventilators and other medical equipment in his native Serbia on Friday, joining a list of other athletes in the fight against coronavirus.
Caroline Wozniacki revealed her mischievous side again at Wimbledon on Saturday as the world number one hijacked Novak Djokovic's pre-tournament press conference.
World number three Novak Djokovic reached his first final of the season when he beat third-seeded Frenchman Gilles Simon 3-6, 7-5, 7-5 at the Dubai Championships on Friday. The Serb will face fourth seed David Ferrer after the Spaniard overwhelmed Frenchman Richard Gasquet 6-2, 6-2.
Andy Murray ran and ran until the skin on his feet came off and still it was not quite enough. The Briton's hopes of winning his second successive Grand Slam title were ended by the resilience and defensive brilliance of world number one Novak Djokovic in the Australian Open final.
Eight-time Grand Slam winner Ivan Lendl said whoever ends up winning the most majors among the 'Big Three' of Roger Federer, Rafa Nadal and Novak Djokovic should be considered the greatest male tennis player of the Open era. Federer, who will be 39 in August, leads the race with 20 Grand Slam singles titles, with Spaniard Nadal close on his heels with 19. Reigning world No. 1 Djokovic is three behind the Swiss with 17 majors under his belt and is the youngest of the trio - at 32 he is a year younger than Nadal.
'I spoke to Roger and Rafa a few days ago and we had a conversation about the near future of tennis. How we can contribute to help lower ranked guys who are obviously struggling the most.'
The Serb, who turned 30 last month, will drop outside the top two for the first time since march 2011 on Monday -- quite a contrast to a year ago when his domination of men's tennis was complete after winning the French Open for the first time.
Three-time Wimbledon champion Novak Djokovic beat Canadian Vasek Pospisil 6-4, 6-3 in his first grasscourt match of the season on Wednesday to reach the third round at the Aegon International in Eastbourne.
Frenchman Jo-Wilfried Tsonga won his maiden tour title after beating top seed Novak Djokovic 7-6, 6-4 at the Thailand Open.
Whatever the season's results or pundits may suggest, Rafael Nadal -- and not Novak Djokovic -- is the top favourite for the French Open title this year, Roger Federer assessed.
The Australian Open champion beat Frenchman Arnaud Clement 6-3, 6-3, 6-4 in his opening match at the US Open.
A relentless Novak Djokovic shrugged off Juan Martin Del Potro while Andy Murray overcame a nasty ankle injury as the second and fourth seeds joined champion Rafa Nadal in the French Open fourth round on Saturday.
Germany's Tommy Haas recorded the upset of the tournament when he stunned two-time defending champion Novak Djokovic 6-2, 6-4 in the fourth round of the Sony Open at Miami on Tuesday.
The Spaniard, who has never gone beyond the quarter-finals in a grand slam, grew in confidence in the second set, however, with the backing of the home support on the Manolo Santana court and saved two break points before forcing a decider.
Novak Djokovic reached the semi-finals of the Australian Open on Wednesday after Kei Nishikori retired hurt when trailing 6-1, 4-1 in their quarter-final.
Novak Djokovic trounced fellow Serb Viktor Troicki 6-1, 6-4 in the Dubai Championships first round on Tuesday as the world number one extended his unbeaten run to 14 matches.
Novak Djokovic scored a 4-6, 6-4, 6-3, 7-6 victory over Frenchman Jo-Wilfried Tsonga in the Australian Open final.
Novak Djokovic held off a fightback by American Mardy Fish to win the Pacific Life Open final 6-2, 5-7, 6-3.
Novak Djokovic became the first man to win three successive Australian Open titles in the professional era when he beat third seed Andy Murray 6-7, 7-6, 6-3, 6-2 in a battle of attrition on Sunday.
Novak Djokovic became the first man to win three successive Australian Open titles in the professional era after following his victory over Britain's Andy Murray in the men's singles final in Melbourne, on Sunday.
Serbia's World No 1 tennis player Novak Djokovic has been named Balkan Athlete of the Year, the Bulgarian state news agency (BTA) said on Tuesday.
Novak Djokovic was left sweating on a place in the semi-finals of the ATP World Tour Finals on Friday after losing for the first time in his career to fellow-Serb Janko Tipsarevic.
Novak Djokovic got the better of defending champion Roger Federer on Thursday to get into the men's final of the Australian Open for the second time. The Serb, a champion at Melbourne in 2008, ended the Swiss player's hopes of a fifth title Down Under with a 7-6, 7-5, 6-4 win.
In the earlier match, Zverev beat Cilic -- the Croat's 9th loss in 10-round robin matches in the Finals
World No. 2 Novak Djokovic believes Andy Murray's wife Kim Sears deserves much credit for the British tennis star's recent success on the tennis court. The British tennis ace ended Djokovic's three-year reign at the top of the tennis world this month after defeating the Serb in straights in the summit clash of the ATP World Tour Finals. Murray dethroned Djokovic 6-3, 6-4 in a contest to earn his first title at the ATP finals and make sure he remained No. 1 until next season.
Big-serving American Andy Roddick hammered an out-of-sorts Novak Djokovic 6-3, 6-2 on Friday to advance to the semi-finals of the ATP event at Indian Wells. Roddick broke the third-seeded Serb twice in each set to book his place in the last four against world number one Rafael Nadal, who crushed Argentinean Juan Martin Del Potro 6-2, 6-4 in a later match.
World number one Novak Djokovic turned the page on his contentious US Open exit and began his claycourt season with a convincing 6-3, 6-2 victory over wildcard Salvatore Caruso in the second round of the Italian Open.
Novak Djokovic opened his title bid at the Montreal Masters with an impressive 6-3, 6-3 win over Nicolas Kiefer.
Novak Djokovic has 17 Grand Slam titles to his name - two behind Rafael Nadal and three fewer than Roger Federer - and said he has no doubt in his ability to overtake the other members of the so-called 'Big Three.'
Russian Mikhail Youzhny upset top seed Novak Djokovic 7-6, 7-6 on Saturday to reach the final of the World Indoor Tournament. Sixth seed Youzhny, the 2007 champion, next faces Swede Robin Soderling who overcame Nikolay Davydenko of Russia 7-6, 6-4.
Roger Federer beat Novak Djokovic 6-3, 7-5 in the final of the Dubai Championships.
Novak Djokovic won the battle of the former world number ones by subduing Roger Federer 4-6, 6-3, 6-2 in an entertaining encounter to reach the Paris Masters final on Saturday.
Britain's Andy Murray, bristling with confidence after ending a three-year wait for another Grand Slam title at Wimbledon, will seek to make history in Brazil by becoming the first man to win successive Olympic gold medals in men's singles tennis.
Top seed and defending champion Novak Djokovic motored into the Wimbledon semi-finals with a quick-fire 6-4, 6-1, 6-4 victory over Germany's Florian Mayer on Wednesday.
Novak Djokovic dredged his tank of mental and physical resilience to claim a thrilling 7-6(5), 1-6, 7-6(4), 4-6, 13-12(3) win.
Novak Djokovic will meet Andy Murray in the final of the Australian Open. The Serb beat defending champion Stanislas Wawrinka 7-6(1), 3-6, 6-4, 4-6, 6-0 in the semi-final on Friday.
Novak Djokovic won his fourth China Open title in five years on Sunday, prevailing 6-3, 6-4 in the final against Rafael Nadal who will replace him as the men's new world number one on Monday.
Novak Djokovic beat defending champion David Ferrer of Spain 7-5, 7-5 to win the Paris Masters on Sunday and keep alive his hopes of reclaiming the world number one spot by the end of the year.