Federer had a disappointing end to the 2017 campaign, losing the ATP World Tour semi-finals to David Goffin.
Federer explained that he would earlier be ecstatic at the prospect of sharing the court with the legends of the game.
Rafael Nadal saw off the challenge from Federer and claimed the year-end number one ranking for the fourth time in his career.
Andy Murray won two Grand Slams and two men's singles Olympic gold medals under the stewardship of Ivan Lendl.
The Swiss veteran won seven titles this year, including the Australian Open and a record eighth Wimbledon title, to overtake Pete Sampras' seven championship wins.
British tennis has adopted an extra week in the calendar - but interest in the ATP World Tour Finals is diminishing.
The Swiss ace skipped the entire clay court swing of the season this year following a blistering start to the season.
Although they are not his goals at the moment, Roger Federer has refused to rule out the possibility of competing in the Davis Cup and the 2020 Tokyo Olympics.
Federer made it three wins from three in the round robin stage of the season-ending tournament, with a victory over Marin Cilic in straight sets.
Roger Federer lost his chance of claiming the world No.1 ranking when he withdrew from the Paris Masters.
Murray last featured at Wimbledon where he suffered a quarter-final loss to Sam Querrey and has taken the rest of the year off to recover from a hip injury.
Rafael Nadal pulled out of the ongoing ATP World Tour Finals in London owing to a knee injury that has troubled him since the Shanghai Masters in October.
Roger Federer has revealed that getting surgery on his knee in 2016 made him think his career was ending once and for all.
Grigor Dimitrov has credited world number one Rafael Nadal for helping turn his season around after the duo trained with each other in Mallorca.
Roger Federer was a contender for the year-end world number one spot but was beaten to it by long-time rival Rafael Nadal.