The ATP season came to a close on Sunday with Grigor Dimitrov’s victory at the World Tour Finals.
But attention is moving towards preparations for 2018 when the likes of Djokovic, Andy Murray and Stan Wawrinka will make their returns to tennis after an injury lay-off.
Nadal and Djokovic have both been confirmed to appear at the warm-up event in Abu Dhabi.
And the draw for the tournament has set up the intriguing prospect of pair meeting in the final.
Nadal and Djokovic have byes to the second round with Dominic Thiem or Milos Raonic set to face the world No 1 while Pablo Carreno Busta and Wawrinka will face each other for the right to play the Serbian.
Djokovic has not played competitive tennis since July when he withdrew from Wimbledon with an elbow problem but is looking forward to returning to the Mubadala World Tennis Championship.
“I am extremely excited to return to Abu Dhabi for the fifth time and take part in the 10th edition of the championship,” Djokovic said
“It is a huge honour to take part in such a special tournament. The line-up is very strong as always and it will be the perfect way to make my comeback and begin the season.
“Abu Dhabi is an amazing place and this is going to be a great event for all of the fans.”
Stan Wawrinka v Pablo Carreno Busta – 1pm (UK time)
Milos Raonic v Dominic Thiem – not before 3pm
Rafael Nadal v Stan Wawrinka / Pablo Carreno Busta – 1pm
Novak Djokovic v Milos Raonic / Dominic Thiem – not before 3pm
3rd/4th place play-off – 1pm
Final – 3pm