Djokovic is clubbed with Federer, Juan Martin Del Potro, David Goffin and Alexander Zverev.
Third seed Stan Wawrinka was knocked out in the third round of the Paris Masters when he lost 6-7(2), 7-5, 7-6(3) against South African Kevin Anderson on Thursday, suffering his fourth defeat in five matches.
Rafael Nadal's announcement on Friday that he will miss the ATP World Tour Finals because of appendicitis ended a difficult year for the Spaniard during which he has endured injury, illness and worrying defeats.
British Sports business magazine SportsPro has named Indian cricket captain Virat Kohli as the six most marketable athlete of this year ahead of the likes of sprint king Usain Bolt and football superstars Lionel Messi and Cristiano Ronaldo.
World number one Novak Djokovic has pulled out of the Indian Premier Tennis League (IPTL), commencing from Wednesday, citing fatigue, and he has been replaced by Andy Murray and Stan Wawrinka in his team- OUE Singapore Slammers.
Rafael Nadal eased past Spanish compatriot Nicolas Almagro 6-3, 6-1 to reach the Barcelona Open third round on Wednesday as he began his bid for a ninth title on the clay in the Catalan capital.
Rafael Nadal will play for the Indian side in the second edition of the International Premier Tennis League.
Take a look at six of the up-and-comers who could upset the top names at the year's first Grand Slam.
Images from Day 9 of the French Open in Paris on Monday.
Andy Murray is ready for "one more big push" this week as he tries to steer defending champions Britain into the Davis Cup final.
Croatian Marin Cilic prepares to try to stop the Swiss claiming a sixth Australian Open title on Sunday.
Soccer's governing body FIFA has agreed to ban the third-party ownership (TPO) of players, its president Sepp Blatter said on Friday, seven years after first promising to outlaw the practice.
World No 1 Novak Djokovic will miss Serbia's Davis Cup World Group playoff tie against India in Bangalore next weekend, the Balkan nation's coach Bogdan Obradovic said on Monday.
Martina Navratilova recently proposed to her longtime girlfriend Julia Lemigova at U.S. Open tennis championship.
Rafael Nadal gave a much improved performance to advance into the quarter-finals of the Barcelona Open on Thursday, dispatching Spanish compatriot and crowd favourite David Ferrer 6-3, 6-3.
Kirsten Flipkens led India Aces to a tight one-point win over defending champions Singapore Slammers with her decisive victory over Kiki Bertens in the do-or-die women's singles clash in IPTL, in Tokyo on Saturday.
Roger Federer thinks a tie-breaker at 12-12 would be the best compromise following calls for Wimbledon to step into line with the US Open and scrap long deciding sets.
Djokovic, the ninth seed, was originally scheduled to play Australian Open semi-finalist Chung Hyeon but the 22-year-old South Korean withdrew with a back injury about an hour before the match was due to start.
Roger Federer won the Halle Open for a record-extending eighth time on Sunday by beating Italy's Andreas Seppi 7-6(1), 6-4 in a successful dress rehearsal on grass ahead of Wimbledon.
It was a case of down but definitely not out as a Rafael Nadal kept picking himself off a slippery and dusty Centre Court surface to storm into the Wimbledon semi-finals with a pulsating 7-5, 6-7(7), 4-6, 6-4, 6-4 over Juan Martin del Potro.
Images from Day 4 of the French Open, at Roland Garros, in Paris.
Rediff.com gives you a pictorial rewind of all the excitement that unfolded in the sporting world in the week gone by...
The Swiss squandered seven set points in the opener and although he took the second on a tiebreak he capitulated in the decider after dropping serve at 1-2, losing 7-5, 6-7(3), 6-1.
Djokovic dropped only three games against Klizan.
Images from Day 6 of the French Open in Paris on Friday.
The Briton, who was thrashed 6-3 6-1 by the Croatian in the Dubai Championships in 2015, performed poorly in the first set and after recovering in the second he then surrendered his serve in the seventh game, giving Coric three break points.
Seeing world number 50 Mischa Zverev and wildcard Denis Istomin upset the top two players in the world at Melbourne Park shows more players believe they can take shake up the established order and that can only be good for tennis, says Roger Federer.
If tennis player Nick Kyrgios has been chastened by a warning about his future behaviour from Australia's chef de mission for the Rio Olympics, he is not showing it.
Top seeded Ash Barty overcame a slow start to defeat Maria Sharapova 6-4 6-1, while Simona Halep battled past Ekaterina Alexandrova 3-6 7-5 6-4 in the second round of the Cincinnati Masters on Wednesday.
apanese casual wear designer Uniqlo has signed the 36-year-old Swiss as a global brand ambassador in a deal reported to be worth around $30 million a year.
Nadal, playing his first match since losing to Roger Federer in the Wimbledon semi-finals, fell behind 5-2 in the tiebreak before roaring back to prevail in his first career meeting with world number 53 Evans.
Roger Federer kept up his hopes of finishing the year as World No 1 when he downed Frenchman Jeremy Chardy 7-6(5), 6-7(5), 6-4 in the second round of the Paris Masters on Wednesday.
Only one player has beaten Rafael Nadal on his beloved claycourts this year and that man, Austria's Dominic Thiem, blocks the Spaniard's path to the French Open final.
World No 1 Novak Djokovic will face Argentina's Juan Martin del Potro, the player who denied him a medal in London, in the opening round of the Rio Olympics after the draw was made on Thursday.
Reigning French Open champion Maria Sharapova, former world number one Venus Williams and Australian Samantha Stosur sailed into the second round of the China Open with straight set victories on Sunday.
Prime Minister Shinzo Abe congratulated Osaka on Twitter and thanked her for 'giving Japan a boost of inspiration at this time of hardship'
Andy Murray believes the best years of his career could still be ahead after confirming his status as world number one by beating Novak Djokovic to claim the ATP Tour Finals crown on Sunday. Murray, 29, became the oldest man since 1974 to reach the top of the rankings for the first time last month and the way he dominated the final months of the season, winning five titles and 24 matches in a row, suggests he could be right.
Images from the matches played on Day 7 at the Roland Garros on Saturday
The latest tennis rankings have been announced by the ATP and WTA
A round-up of results from Davis Cup matches played on Saturday and Sunday