The Nitto ATP Finals will take place in the O2 Arena in London from Nov. 12 to Nov. 19.
The finals will be played in a round-robin format, with players divided into two groups. The eight seeds are determined by the Emirates ATP Rankings and Emirates ATP Doubles Team Rankings. All single matches are best of three tie-break sets, including the finals. All doubles matches are two sets (no ad) and a match tie-break.
Roger Federer headlines Group Boris Becker and is joined by Jack Sock, Alexander Zverev and Marin Cilic. Rafael Nadal is joined in Group Pete Sampras by Dominic Thiem, Grigor Dimitrov and David Goffin.