Check out the rankings here
https://www.atptour.com/en/rankings/singles
The deadline for the players selection is Tuesday, June 1st, 15.00 UTC
https://www.worldtimeserver.com/current ... n_UTC.aspx
(1) Novak Djokovic vs. Tennys Sandgren
Lucas Pouille vs. Pablo Cuevas
Salvatore Caruso vs. James Duckworth
Ricardas Berankis vs. (29) Ugo Humbert
(21)Alex De Minaur vs. Stefano Travaglia
Yasutaka Uchiyama vs. Marco Cecchinato
Jo-Wilfried Tsonga vs. Yoshihito Nishioka
Lorenzo Musetti vs. (13) David Goffin
(9) Matteo Berrettini vs. (Q) Taro Daniel
Federico Coria vs. Feliciano Lopez
Kevin Anderson vs. Soonwoo Kwon
Andreas Seppi vs. (20) Felix Auger-Aliassime
(30) Taylor Fritz vs. Joao Sousa
(WC) Mathias Bourgue vs. Dominik Koepfer
Marin Cilic vs. (WC) Arthur Rinderknech
(Q) Denis Istomin vs. (8) Roger Federer
(3) Rafael Nadal vs. Alexei Popyrin
(WC) Hugo Gaston vs. Richard Gasquet
Cameron Norrie vs. (Q) Bjorn Fratangelo
Lloyd Harris vs. (26) Lorenzo Sonego
(18) Jannik Sinner vs. Pierre-Hugues Herbert
Gianluca Mager vs. John Millman
Mikael Ymer vs. Roberto Carballes-Baena
Albert Ramos-Vinolas vs. (14) Gael Monfils
(10) Diego Schwartzman vs. Yen-Hsun Lu
Adrian Mannarino vs. Aljaz Bedene
Philipp Kohlschreiber vs. Fernando Verdasco
(Q) Jenson Brooksby vs. (24) Aslan Karatsev
(28) Nikoloz Basilashvili vs. Dusan Lajovic
(Q) Carlos Alcaraz vs. (Q) Bernabe Zapata Miralles
Facundo Bagnis vs. (WC) Benjamin Bonzi
Jan-Lennard Struff vs. (7) Andrey Rublev
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(6) Alexander Zverev vs. (Q) Oscar Otte
(Q) Roman Safiullin vs. (Q) Carlos Taberner
Corentin Moutet vs. Laslo Djere
Miomir Kecmanovic vs. (25) Daniel Evans
(23) Karen Khachanov vs. Jiri Vesely
Kei Nishikori vs. (Q) Alessandro Giannessi
Yannick Hanfmann vs. (Q) Henri Laaksonen
(Q) Mario Vilella Martinez vs. (11) Roberto Bautista-Agut
(15) Casper Ruud vs. Benoit Paire
Kamil Majchrzak vs. (WC) Arthur Cazaux
Alejandro Davidovich Fokina vs. Mikhail Kukushkin
(Q) Botic van de Zandschulp vs. (19) Hubert Hurkacz
(27) Fabio Fognini vs. (WC) Gregoire Barrere
Marton Fucsovics vs. Gilles Simon
Radu Albot vs. Federico Delbonis
Pablo Andujar vs. (4) Dominic Thiem
(5)Stefanos Tsitsipas vs. Jeremy Chardy
Sebastian Korda vs. Pedro Martinez
(Q) Maximilian Marterer vs. Filip Krajinovic
Sam Querrey vs. (31) John Isner
(LL ) Francisco Cerundolo vs. Thiago Monteiro
Steve Johnson vs. Frances Tiafoe
Egor Gerasimov vs. (WC) Enzo Couacaud
Norbert Gombos vs. Pablo Carreno-Busta
(16) Grigor Dimitrov vs. Marcos Giron
Guido Pella vs. (Q) Daniel Elahi Galan
Emil Ruusuvuori vs. (Q) Mackenzie McDonald
Juan-Ignacio Londero vs. (22) Christian Garin
(32) Reilly Opelka vs. Andrey Martin
Jaume Munar vs. Jordan Thompson
Tommy Paul vs. (WC) Christopher O'Connell
Alexander Bublik vs. (2) Daniil Medvedev