Novak is no.2 seed and will open his title defence campaign against Jan-Lennard Struff (ATP #63). It will be their first career meeting.
The world’s biggest indoor tournament begins on Sunday, November 13, at the O2 Arena in London.
Novak is a top seed and will open his campaign in singles competition against world no.145, Juan Martin del Potro (ARG).
On July 23, ten years ago, Novak won the first of 65 career ATP titles he's got in his collection.
The second Grand Slam of the season, the Roland Garros, is taking place in Paris, from May 22 to June 5, 2016.