Time Zone – GMT-5 (America/New_York)
| 1 | Ruud C. (1) | Baez S. (PR) | 2 : 1 |
| 2 | Dellien H. | Garin C. (Q) | 1 : 2 |
| 3 | Fils A. | Galan D. E. (LL) | 2 : 0 |
| 4 | Lajovic D. | Kecmanovic M. (8) | 2 : 1 |
| 5 | Zverev A. (4) | Molcan A. | 2 : 0 |
| 6 | Marterer M. (WC) | Molleker R. (WC) | 2 : 0 |
| 7 | van Assche L. | Muller A. | 2 : 0 |
| 8 | Cachin P. | Davidovich Fokina A. (7) | 1 : 2 |
| 9 | Etcheverry T. M. (6) | Djere L. | 0 : 2 |
| 10 | Monteiro T. (LL) | Pella G. (PR) | 1 : 2 |
| 11 | Seyboth Wild T. (Q) | Kovalik J. | 0 : 2 |
| 12 | Ymer E. (Q) | Musetti L. (3) | 0 : 2 |
| 13 | Cerundolo F. (RET.) (5) | Hanfmann Y. | 1 : 1 |
| 14 | Choinski J. (Q) | Zhang Z. | 0 : 2 |
| 15 | Altmaier D. | Gasquet R. | 2 : 0 |
| 16 | Zapata Miralles B. | Rublev A. (2) | 1 : 2 |
| 1 | Ruud C. (1) | Garin C. | 2 : 1 |
| 2 | Fils A. | Lajovic D. | 2 : 0 |
| 3 | Zverev A. (4) | Marterer M. | 2 : 0 |
| 4 | van Assche L. | Davidovich Fokina A. (7) | 2 : 1 |
| 5 | Djere L. | Pella G. | 2 : 1 |
| 6 | Kovalik J. | Musetti L. (3) | 1 : 2 |
| 7 | Hanfmann Y. | Zhang Z. | 1 : 2 |
| 8 | Altmaier D. | Rublev A. (2) | 2 : 0 |
| 1 | Ruud C. (1) | Fils A. | 0 : 2 |
| 2 | Zverev A. (4) | van Assche L. | 2 : 0 |
| 3 | Djere L. | Musetti L. (3) | 2 : 0 |
| 4 | Zhang Z. | Altmaier D. | 2 : 0 |
| 1 | Fils A. | Zverev A. (4) | 0 : 2 |
| 2 | Djere L. | Zhang Z. | 2 : 0 |
| 1 | Zverev A. (4) | Djere L. | 2 : 0 |
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