Time Zone – GMT-5 (America/New_York)
| 1 | Zverev A. (1) | Bye | |
| 2 | Cobolli F. (Q) | Nishioka Y. | 0 : 2 |
| 3 | Kokkinakis T. | Draper J. | 2 : 1 |
| 4 | Evans D. | Safiullin R. (5) | 2 : 0 |
| 5 | De Minaur A. (3) | Bye | |
| 6 | Lestienne C. (Alt) | Michelsen A. (Alt) | 0 : 2 |
| 7 | Schwartzman D. (WC) | Nava E. (Q) | 0 : 2 |
| 8 | Escobedo E. (WC) | Thompson J. (8) | 0 : 2 |
| 9 | Purcell M. (7) | Arnaldi M. | 2 : 1 |
| 10 | Koepfer D. | Borges N. | 0 : 2 |
| 11 | Daniel T. | Giron M. | 0 : 2 |
| 12 | Bye | Ruud C. (4) | |
| 13 | Kecmanovic M. (6) | Hijikata R. | 0 : 2 |
| 14 | Kovacevic A. (Q) | Holt B. (Q) | 2 : 0 |
| 15 | Vukic A. | Pacheco Mendez R. (WC) | 2 : 0 |
| 16 | Bye | Tsitsipas S. (2) |
| 1 | Zverev A. (1) | Nishioka Y. | 2 : 0 |
| 2 | Kokkinakis T. | Evans D. | 2 : 0 |
| 3 | De Minaur A. (3) | Michelsen A. | 0 : 2 |
| 4 | Nava E. | Thompson J. (8) | 0 : 2 |
| 5 | Purcell M. (7) | Borges N. | 0 : 2 |
| 6 | Giron M. | Ruud C. (4) | 0 : 2 |
| 7 | Hijikata R. | Kovacevic A. | 1 : 2 |
| 8 | Vukic A. | Tsitsipas S. (2) | 0 : 2 |
| 1 | Zverev A. (1) | Kokkinakis T. | 2 : 0 |
| 2 | Michelsen A. | Thompson J. (8) | 1 : 2 |
| 3 | Borges N. | Ruud C. (4) | 0 : 2 |
| 4 | Kovacevic A. | Tsitsipas S. (2) | 0 : 2 |
| 1 | Zverev A. (1) | Thompson J. (8) | 1 : 2 |
| 2 | Ruud C. (4) | Tsitsipas S. (2) | 2 : 0 |
| 1 | Thompson J. (8) | Ruud C. (4) | 2 : 0 |
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