Time Zone – GMT-5 (America/New_York)
| 1 | Zverev A. (1) | Bye | |
| 2 | Carballes Baena R. | Lajovic D. | 0 : 2 |
| 3 | Burruchaga R. A. (Q) | Cerundolo J. M. (Q) | 1 : 2 |
| 4 | Darderi L. | Cerundolo F. (5) | 0 : 2 |
| 5 | Musetti L. (3) | Bye | |
| 6 | Moutet C. | Nagal S. (LL) | 2 : 0 |
| 7 | Dzumhur D. | Martinez P. | 1 : 2 |
| 8 | Schwartzman D. (WC) | Jarry N. (7) | 2 : 1 |
| 9 | Baez S. (6) | Ugo Carabelli C. (WC) | 2 : 0 |
| 10 | Diaz Acosta F. | Seyboth Wild T. | 1 : 2 |
| 11 | Muller A. | Djere L. (Q) | 0 : 2 |
| 12 | Bye | Tabilo A. (4) | |
| 13 | Etcheverry T. M. (8) | Fonseca J. | 0 : 2 |
| 14 | Gaston H. | Coria F. (LL) | 0 : 2 |
| 15 | Navone M. | Comesana F. (WC) | 2 : 0 |
| 16 | Bye | Rune H. (2) |
| 1 | Zverev A. (1) | Lajovic D. | 2 : 0 |
| 2 | Cerundolo J. M. | Cerundolo F. (5) | 0 : 2 |
| 3 | Musetti L. (3) | Moutet C. | 2 : 0 |
| 4 | Martinez P. | Schwartzman D. | 2 : 0 |
| 5 | Baez S. (6) | Seyboth Wild T. | 0 : 2 |
| 6 | Djere L. | Tabilo A. (4) | 2 : 1 |
| 7 | Fonseca J. | Coria F. | 2 : 1 |
| 8 | Navone M. | Rune H. (2) | 2 : 0 |
| 1 | Zverev A. (1) | Cerundolo F. (5) | 1 : 2 |
| 2 | Musetti L. (3) | Martinez P. (WO.) | |
| 3 | Seyboth Wild T. | Djere L. | 0 : 2 |
| 4 | Fonseca J. | Navone M. | 2 : 1 |
| 1 | Cerundolo F. (5) | Martinez P. | 2 : 0 |
| 2 | Djere L. | Fonseca J. | 1 : 2 |
| 1 | Cerundolo F. (5) | Fonseca J. | 0 : 2 |
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