Time Zone – GMT-5 (America/New_York)
| 1 | Rublev A. (1) | Bye | |
| 2 | Ugo Carabelli C. | Mikrut L. (WC) | 2 : 0 |
| 3 | Shevchenko A. | Marozsan F. | 1 : 2 |
| 4 | Monteiro T. | Machac T. (7) | 2 : 1 |
| 5 | Cerundolo F. (4) | Bye | |
| 6 | Couacaud E. (Q) | Dodig M. (WC) | 1 : 2 |
| 7 | Poljicak M. (WC) | Sonego L. | 1 : 2 |
| 8 | Muller A. (Alt) | Arnaldi M. (8) | 2 : 0 |
| 9 | Darderi L. (5) | Ajdukovic D. (SE) | 2 : 0 |
| 10 | Mensik J. | Popyrin A. | 2 : 0 |
| 11 | van Assche L. | Fognini F. | 0 : 2 |
| 12 | Bye | Tseng C. H. (LL) | |
| 13 | Navone M. (6) | Cobolli F. | 0 : 2 |
| 14 | Misolic F. (Q) | Lajovic D. | 1 : 2 |
| 15 | Trungelliti M. (Q) | Andreozzi G. (Q) | 2 : 1 |
| 16 | Bye | Musetti L. (2) |
| 1 | Rublev A. (1) | Ugo Carabelli C. | 2 : 0 |
| 2 | Marozsan F. | Monteiro T. | 2 : 0 |
| 3 | Cerundolo F. (4) | Dodig M. | 2 : 0 |
| 4 | Sonego L. | Muller A. | 2 : 0 |
| 5 | Darderi L. (5) | Mensik J. | 0 : 2 |
| 6 | Fognini F. | Tseng C. H. | 0 : 2 |
| 7 | Cobolli F. | Lajovic D. | 0 : 2 |
| 8 | Trungelliti M. | Musetti L. (2) | 0 : 2 |
| 1 | Rublev A. (1) | Marozsan F. | 2 : 1 |
| 2 | Cerundolo F. (4) | Sonego L. | 2 : 1 |
| 3 | Mensik J. | Tseng C. H. | 2 : 0 |
| 4 | Lajovic D. | Musetti L. (2) | 1 : 2 |
| 1 | Rublev A. (1) | Cerundolo F. (4) | 0 : 2 |
| 2 | Mensik J. | Musetti L. (2) | 0 : 2 |
| 1 | Cerundolo F. (4) | Musetti L. (2) | 2 : 1 |
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