The other group features Djokovic, Andy Murray, David Ferrer and Tomas Berdych.
For Djokovic the prospect of ending his fairytale year with one more title might be enough to force his weary limbs into action again.
Djokovic has enjoyed one of the best seasons in tennis history after victories at the Australian Open, Wimbledon and the US Open, as well as five Masters titles and an incredible run of just four losses in 73 matches.
“This year was success after success, grand slam after grand slam, it was coming up all the time,” he said.
“It is because I was thankful to have the opportunity and I stayed with both feet on the ground but always wanting more.”
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