Earlier, the world number one said that he was hoping to make a return from injury at the Mexican Open, beginning February 26.
The former No. 1-ranked Murray, a three-time major winner, has not played a competitive match since a quarterfinal exit at Wimbledon last July.
Djokovic hasn't played competitive tennis since he retired in the Wimbledon quarterfinals because of the elbow injury.
Bartoli has won eight WTA Tour titles during her career, with the highest WTA ranking at No. 7 in 2012.
Murray hasn't played on the pro circuit since the Wimbledon quarterfinals, where he limped out with a hip injury.
Djokovic has never missed a major tournament since he played his first major at the 2005 Australian Open. This is the third-longest active run among men and seventh-longest in history.
The Swiss great has had a sparkling 2017, having emerged victorious in five tournaments including his fifth Australian Open title in January and a record eighth-Wimbledon title this month.
Roger Federer expressed his concern with the mindset of the younger generation, who still have not been able to knock off the 30-plus elite from the top of the ranks.
The 23-year-old has struggled in the periods between her successes at Grand Slam level and outside of tennis. The Spaniard has won 2 major titles and has just appeared in two finals.
Capping a marvelous fortnight in which he never dropped a set, Roger Federer won his eighth Wimbledon trophy and 19th Grand Slam championship overall by overwhelming Marin Cilic 6-3, 6-1, 6-4 in merely 1 hour, 41 minutes.
Martina Hingis and Jamie Murray won the Wimbledon mixed doubles title on Sunday, beating Henri Kontinen and Heather Watson 6-4, 6-4 on Centre Court.
After winning 19 titles, Roger Federer has created history at the All England Club as being the only player to win 8 titles. "The journey has been amazing", said Federer.
The big-serving Croat played with a blister on his left foot in Sunday's Wimbledon final against Roger Federer.
The Swiss maestro claimed his 19th Grand Slam title 6-3, 6-1, 6-4 beating Marin Cilic at the iconic Centre Court in London.
Roger Federer wins his record 8th Wimbledon title by overwhelming Croatia's Marin Cilic in straight sets 6-3, 6-1, 6-4 in a lopsided final at Centre Court in London.
"It's great to go out there and play somebody that you admire," Muguruza said after her famous win over Venus Williams in Wimbledon final.
Just weeks from turning 36, Federer has continued his resurgent season through this fortnight at the All England Club by beating 2010 runner-up Tomas Berdych 7-6 (4), 7-6 (4), 6-4 in the semifinals on Friday.
Russian duo Makarova and Vesnina beat Chinese Taipei's Chan Hao-ching and Romania's Monica Niculescu 6-0 6-0 in a match that lasted only half an hour.