Time Zone – GMT-5 (America/New_York)
| 1 | Tiafoe F. (1) | Bye | |
| 2 | Fognini F. (RET.) (Alt) | Coria F. | 0 : 1 |
| 3 | Daniel T. | Ugo Carabelli C. (Alt) | 0 : 2 |
| 4 | Tirante T. A. | Darderi L. (8) | 1 : 2 |
| 5 | Navone M. (3) | Bye | |
| 6 | Mochizuki S. (Q) | Altmaier D. | 2 : 1 |
| 7 | De Jong J. (Q) | Nava E. (Alt) | 0 : 2 |
| 8 | Michelsen A. | Sonego L. (5) | 1 : 2 |
| 9 | Fucsovics M. (6) | Zeppieri G. (RET.) (WC) | 1 : 0 |
| 10 | Piros Z. (Alt) | Svajda Z. (Alt) | 0 : 2 |
| 11 | Galan D. E. | Albot R. (Alt) | 2 : 1 |
| 12 | Bye | Eubanks C. (4) | |
| 13 | Borges N. (7) | Maestrelli F. (WC) | 2 : 0 |
| 14 | Varillas J. P. (Alt) | Nishioka Y. | 0 : 2 |
| 15 | Diallo G. (Q) | Cerundolo J. M. (Q) | 0 : 2 |
| 16 | Bye | Musetti L. (2) |
| 1 | Tiafoe F. (1) | Coria F. | 0 : 2 |
| 2 | Ugo Carabelli C. | Darderi L. (8) | 0 : 2 |
| 3 | Navone M. (3) | Mochizuki S. | 2 : 1 |
| 4 | Nava E. | Sonego L. (5) | 2 : 0 |
| 5 | Fucsovics M. (6) | Svajda Z. | 2 : 0 |
| 6 | Galan D. E. | Eubanks C. (4) | 2 : 1 |
| 7 | Borges N. (7) | Nishioka Y. | 2 : 1 |
| 8 | Cerundolo J. M. | Musetti L. (2) | 0 : 2 |
| 1 | Coria F. (RET.) | Darderi L. (8) | 0 : 1 |
| 2 | Navone M. (3) | Nava E. | 2 : 1 |
| 3 | Fucsovics M. (6) | Galan D. E. (WO.) | |
| 4 | Borges N. (7) | Musetti L. (2) | 1 : 2 |
| 1 | Darderi L. (8) | Navone M. (3) | 0 : 2 |
| 2 | Galan D. E. | Musetti L. (2) | 0 : 2 |
| 1 | Navone M. (3) | Musetti L. (2) | 2 : 0 |
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