Time Zone – GMT-5 (America/New_York)
| 1 | Shelton B. (1) | Bye | |
| 2 | Martin A. (WC) | Shang J. (Q) | 0 : 2 |
| 3 | Shapovalov D. (WC) | Goffin D. | 1 : 2 |
| 4 | O'Connell C. | Purcell M. (8) | 1 : 2 |
| 5 | Thompson J. (4) | Bye | |
| 6 | Mayot H. (LL) | Coric B. | 2 : 0 |
| 7 | Opelka R. (SE) | Kovacevic A. | 2 : 0 |
| 8 | Cazaux A. | Davidovich Fokina A. (5) | 0 : 2 |
| 9 | Nakashima B. (7) | McDonald M. | 0 : 2 |
| 10 | Svajda Z. (Q) | Nishioka Y. | 0 : 2 |
| 11 | Karatsev A. | Harris B. (Q) | 2 : 0 |
| 12 | Bye | Tiafoe F. (3) | |
| 13 | Kecmanovic M. (6) | Walton A. (LL) | 0 : 2 |
| 14 | Rinderknech A. | Wolf J.J. (LL) | 2 : 0 |
| 15 | Bellucci M. (Q) | Vukic A. (RET.) | 1 : 1 |
| 16 | Bye | Mannarino A. (2) |
| 1 | Shelton B. (1) | Shang J. | 0 : 2 |
| 2 | Goffin D. | Purcell M. (8) | 0 : 2 |
| 3 | Thompson J. (4) | Mayot H. | 2 : 0 |
| 4 | Opelka R. | Davidovich Fokina A. (5) | 0 : 2 |
| 5 | McDonald M. | Nishioka Y. | 0 : 2 |
| 6 | Karatsev A. | Tiafoe F. (3) | 1 : 2 |
| 7 | Walton A. | Rinderknech A. | 0 : 2 |
| 8 | Bellucci M. | Mannarino A. (2) | 2 : 1 |
| 1 | Shang J. | Purcell M. (8) | 2 : 0 |
| 2 | Thompson J. (4) | Davidovich Fokina A. (5) | 2 : 1 |
| 3 | Nishioka Y. | Tiafoe F. (3) | 2 : 0 |
| 4 | Rinderknech A. | Bellucci M. | 2 : 1 |
| 1 | Shang J. | Thompson J. (4) | 1 : 2 |
| 2 | Nishioka Y. | Rinderknech A. | 2 : 1 |
| 1 | Thompson J. (4) | Nishioka Y. | 1 : 2 |
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