Time Zone – GMT-5 (America/New_York)
| 1 | Djere L. (1) | Bye | |
| 2 | Fognini F. (Q) | Gaston H. | 2 : 1 |
| 3 | Kotov P. | Benchetrit E. (WC) | 2 : 0 |
| 4 | Shelbayh A. (WC) | Cobolli F. (8) | 0 : 2 |
| 5 | Evans D. (3) | Bye | |
| 6 | Gigante M. (RET.) (Q) | Carballes Baena R. | 0 : 1 |
| 7 | Goffin D. (Q) | Rinderknech A. | 2 : 0 |
| 8 | Moreno De Alboran N. (Q) | Diaz Acosta F. (5) | 2 : 1 |
| 9 | Shevchenko A. (6) | Berrettini M. (PR) | 0 : 2 |
| 10 | van Assche L. | Munar J. | 0 : 2 |
| 11 | Moutet C. | Nagal S. | 1 : 2 |
| 12 | Bye | Sonego L. (4) | |
| 13 | Navone M. (7) | Dougaz A. (WC) | 2 : 0 |
| 14 | Ramos A. | Wawrinka S. | 0 : 2 |
| 15 | Vukic A. | Muller A. | 2 : 0 |
| 16 | Bye | Ofner S. (2) |
| 1 | Djere L. (1) | Fognini F. | 1 : 2 |
| 2 | Kotov P. | Cobolli F. (8) | 2 : 0 |
| 3 | Evans D. (3) | Carballes Baena R. | 0 : 2 |
| 4 | Goffin D. | Moreno De Alboran N. | 0 : 2 |
| 5 | Berrettini M. | Munar J. | 2 : 1 |
| 6 | Nagal S. | Sonego L. (4) | 1 : 2 |
| 7 | Navone M. (7) | Wawrinka S. | 2 : 1 |
| 8 | Vukic A. | Ofner S. (2) | 2 : 1 |
| 1 | Fognini F. | Kotov P. | 0 : 2 |
| 2 | Carballes Baena R. | Moreno De Alboran N. | 2 : 1 |
| 3 | Berrettini M. | Sonego L. (4) | 2 : 0 |
| 4 | Navone M. (7) | Vukic A. | 2 : 0 |
| 1 | Kotov P. | Carballes Baena R. | 0 : 2 |
| 2 | Berrettini M. | Navone M. (7) | 2 : 1 |
| 1 | Carballes Baena R. | Berrettini M. | 0 : 2 |
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