| First Round |
| 13 Grigor Dimitrov |
| Bye |
| First Round |
| 1 Rafael Nadal |
| Bye |
| First Round |
| 15 Lucas Pouille |
| Bye |
| First Round |
| 10 David Goffin |
| Bye |
| First Round |
| 3 Dominic Thiem |
| Bye |
| First Round |
| 14 Frances Tiafoe |
| Bye |
| First Round |
| 12 Pablo Carreno Busta |
| Bye |
| First Round |
| 6 Karen Khachanov |
| Bye |
| First Round |
| 8 Fabio Fognini |
| Bye |
| First Round |
| 9 Denis Shapovalov |
| Bye |
| First Round |
| 5 Stefanos Tsitsipas |
| Bye |
| First Round |
| 2 Alexander Zverev |
| Bye |
| First Round |
| 11 Gilles Simon |
| Bye |
| First Round |
| 7 Daniil Medvedev |
| Bye |
| First Round |
| 4 Kei Nishikori |
| Bye |
| First Round |
| 16 Felix Auger-Aliassime |
| Bye |
| First Round | |||||
| Mackenzie McDonald | |||||
| Taro Daniel | |||||
| Pre-Match | |||||
| First Round | |||||
| Marton Fucsovics | |||||
| Denis Kudla | |||||
| Pre-Match | |||||
| First Round | |||||
| Marius Copil | |||||
| Leonardo Mayer | |||||
| Pre-Match | |||||
| First Round | |||||
| Pedro Sousa | |||||
| Jaume Munar | |||||
| Pre-Match | |||||
| First Round | |||||
| Taylor Fritz | |||||
| Reilly Opelka | |||||
| Pre-Match | |||||
| First Round | |||||
| Hugo Dellien | |||||
| Jan-Lennard Struff | |||||
| Pre-Match | |||||
| First Round | |||||
| Feliciano Lopez | |||||
| Fernando Verdasco | |||||
| Pre-Match | |||||
| First Round | |||||
| Nicolas Jarry | |||||
| Marcel Granollers | |||||
| Pre-Match | |||||
| First Round | |||||
| Yoshihito Nishioka | |||||
| Diego Schwartzman | |||||
| Pre-Match | |||||
| First Round | |||||
| Juan Ignacio Londero | |||||
| Benoit Paire | |||||
| Pre-Match | |||||
| First Round | |||||
| 7 Mikhail Kukushkin | |||||
| Matteo Berrettini | |||||
| Pre-Match | |||||
| First Round |
| 4 Nikoloz Basilashvili |
| Bye |
| First Round |
| 3 Marco Cecchinato |
| Bye |
| First Round |
| 1 Marin Cilic |
| Bye |
| First Round |
| 2 Borna Coric |
| Bye |
| First Round | |||||
| Bernard Tomic | |||||
| Aljaz Bedene | |||||
| Pre-Match | |||||
| First Round | |||||
| Andreas Seppi | |||||
| Filip Krajinovic | |||||
| Pre-Match | |||||
| First Round | |||||
| 8 Radu Albot | |||||
| Sergiy Stakhovsky | |||||
| Pre-Match | |||||
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