Objavljeni su sastavi reprezentacija. Od najboljih igrača koji bi mogli nastupiti nema Zvereva, Nishikoria,Isnera i Pouillea. Za VB u sastavu Andy Murray
Group A
France
Gael Monfils
Benoit Paire
Jo-Wilfried Tsonga
Pierre-Hugues Herbert
Nicolas Mahut
Captain: Sebastien Grosjean
Japan
Yoshihito Nishioka
Yasutaka Uchiyama
Yuichi Sugita
Taro Daniel
Ben McLachlan
Captain: Satoshi Iwabuchi
Serbia
Novak Djokovic
Dusan Lajovic
Filip Krajinovic
Viktor Troicki
Janko Tipsarevic
Captain: Nenad Zimonjic
Group B
Croatia
Marin Cilic
Borna Coric
Mate Pavic
Nikola Mektic
Ivan Dodig
Captain: Zeljko Krajan
Russia
Daniil Medvedev
Karen Khachanov
Andrey Rublev
Evgeny Donskoy
Captain: Shamil Tarpishev
Spain
Rafael Nadal
Roberto Bautista Agut
Pablo Carreno Busta
Feliciano Lopez
Marcel Granollers
Captain: Sergi Bruguera
Group C
Argentina
Diego Schwartzman
Guido Pella
Leonardo Mayer
Horacio Zeballos
Captain: Gaston Gaudio
Chile
Cristian Garin
Nicolas Jarry
Alejandro Tabilo
Marcelo Tomas Barrios Vera
Hans Podlipnik-Castillo
Captain: Nicolas Massu
Germany
Jan-Lennard Struff
Philipp Kohlschreiber
Dominik Koepfer
Kevin Krawietz
Andreas Mies
Captain: Michael Kohlmann
Group D
Australia
Alex de Minaur
Nick Kyrgios
John Millman
Jordan Thompson
John Peers
Captain: Lleyton Hewitt
Belgium
David Goffin
Kimmer Coppejans
Steve Darcis
Joran Vliegen
Sander Gille
Captain: Johan Van Herck
Colombia
Daniel Galan
Santiago Giraldo
Alejandro Gonzalez
Juan Sebastian Cabal
Robert Farah
Captain: Pablo Gonzalez
Group E
Great Britain
Dan Evans
Andy Murray
Jamie Murray
Neal Skupski
Captain: Leon Smith
Kazakhstan
Alexander Bublik
Mikhail Kukushkin
Dmitry Popko
Alexsandr Nedovyesov
Andrey Golubev
Captain: Dias Doskarayev
Netherlands
Robin Haase
Tallon Griekspoor
Botic Van de Zandschulp
Wesley Koolhof
Jean-Julien Rojer
Captain: Paul Haarhuis
Group F
Canada
Milos Raonic
Felix Auger-Aliassime
Denis Shapovalov
Vasek Pospisil
Captain: Frank Dancevic
Italy
Matteo Berrettini
Fabio Fognini
Lorenzo Sonego
Andrea Seppi
Simone Bolelli
Captain: Corrado Barazzutti
United States
Taylor Fritz
Reilly Opelka
Sam Querrey
Frances Tiafoe
Jack Sock
Captain: Mardy Fish
