Time Zone – GMT-5 (America/New_York)
| 1 | Marozsan F. (17) | Bye | |
| 2 | van Assche L. | Zhang Z. | 2 : 0 |
| 3 | Diaz Acosta F. | Rincon D. (WC) | 2 : 0 |
| 4 | Bye | Coric B. (15) | |
| 5 | Musetti L. (10) | Bye | |
| 6 | Grenier H. (LL) | Carballes Baena R. | 0 : 2 |
| 7 | Kotov P. | Ofner S. | 1 : 2 |
| 8 | Bye | Tsitsipas S. (5) | |
| 9 | De Minaur A. (4) | Bye | |
| 10 | Cobolli F. | Nadal R. (PR) | 0 : 2 |
| 11 | Altmaier D. | Popyrin A. | 2 : 0 |
| 12 | Bye | Fils A. (16) | |
| 13 | Davidovich Fokina A. (11) | Bye | |
| 14 | Machac T. | Shang J. (Q) | 2 : 0 |
| 15 | Schwartzman D. (Q) | Lajovic D. | 0 : 2 |
| 16 | Bye | Humbert U. (6) | |
| 17 | Baez S. (8) | Bye | |
| 18 | Arnaldi M. | Cazaux A. (RET.) | 0 : 0 |
| 19 | Ajdukovic D. (Q) | Trungelliti M. (Q) | 0 : 2 |
| 20 | Bye | Jarry N. (9) | |
| 21 | Thompson J. (14) | Bye | |
| 22 | Munar J. | Nishioka Y. | 2 : 0 |
| 23 | Muller A. | Ramos A. (WC) | 2 : 0 |
| 24 | Bye | Ruud C. (3) | |
| 25 | Vavassori A. (LL) | Bye | |
| 26 | Safiullin R. | Bautista-Agut R. (WC) | 0 : 2 |
| 27 | Mayot H. (Q) | Cachin P. | 2 : 1 |
| 28 | Bye | Norrie C. (12) | |
| 29 | Etcheverry T. M. (13) | Bye | |
| 30 | Hardt N. (Q) | Landaluce M. (WC) | 2 : 1 |
| 31 | Evans D. | Nakashima B. | 0 : 2 |
| 32 | Bye | Rublev A. (2) |
| 1 | Marozsan F. (17) | van Assche L. (RET.) | 1 : 0 |
| 2 | Diaz Acosta F. | Coric B. (15) | 2 : 0 |
| 3 | Musetti L. (10) | Carballes Baena R. | 0 : 2 |
| 4 | Ofner S. | Tsitsipas S. (5) | 0 : 2 |
| 5 | De Minaur A. (4) | Nadal R. | 2 : 0 |
| 6 | Altmaier D. | Fils A. (16) | 1 : 2 |
| 7 | Davidovich Fokina A. (WO.) (11) | Machac T. | |
| 8 | Lajovic D. | Humbert U. (6) | 2 : 0 |
| 9 | Baez S. (8) | Arnaldi M. | 1 : 2 |
| 10 | Trungelliti M. | Jarry N. (9) | 2 : 0 |
| 11 | Thompson J. (14) | Munar J. | 2 : 1 |
| 12 | Muller A. | Ruud C. (3) | 0 : 2 |
| 13 | Vavassori A. | Bautista-Agut R. | 1 : 2 |
| 14 | Mayot H. (RET.) | Norrie C. (12) | 1 : 1 |
| 15 | Etcheverry T. M. (13) | Hardt N. | 2 : 0 |
| 16 | Nakashima B. | Rublev A. (2) | 2 : 0 |
| 1 | Marozsan F. (17) | Diaz Acosta F. | 1 : 2 |
| 2 | Carballes Baena R. | Tsitsipas S. (5) | 0 : 2 |
| 3 | De Minaur A. (4) | Fils A. (16) | 0 : 2 |
| 4 | Davidovich Fokina A. (11) | Lajovic D. | 1 : 2 |
| 5 | Arnaldi M. | Trungelliti M. | 2 : 0 |
| 6 | Thompson J. (14) | Ruud C. (3) | 0 : 2 |
| 7 | Bautista-Agut R. | Norrie C. (12) | 0 : 2 |
| 8 | Etcheverry T. M. (13) | Nakashima B. | 2 : 1 |
| 1 | Diaz Acosta F. | Tsitsipas S. (5) | 1 : 2 |
| 2 | Fils A. (16) | Lajovic D. | 1 : 2 |
| 3 | Arnaldi M. | Ruud C. (3) | 0 : 2 |
| 4 | Norrie C. (12) | Etcheverry T. M. (13) | 0 : 2 |
| 1 | Tsitsipas S. (5) | Lajovic D. | 2 : 1 |
| 2 | Ruud C. (3) | Etcheverry T. M. (13) | 2 : 0 |
| 1 | Tsitsipas S. (5) | Ruud C. (3) | 0 : 2 |
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