Time Zone – GMT-5 (America/New_York)
| 1 | Zverev A. (1) | De Jong J. (Q) | 2 : 0 |
| 2 | Diaz Acosta F. | Gaston H. | 1 : 2 |
| 3 | Cobolli F. | Altmaier D. | 2 : 1 |
| 4 | Seyboth Wild T. | Zhang Z. (8) | 0 : 2 |
| 5 | Cerundolo F. (4) | Comesana F. (LL) | 2 : 0 |
| 6 | Kwon S. (PR) | Marterer M. (WC) | 1 : 2 |
| 7 | Blanchet U. (Q) | Popyrin A. | 2 : 1 |
| 8 | Martinez P. | Arnaldi M. (6) | 2 : 0 |
| 9 | Darderi L. (7) | Hardt N. | 2 : 1 |
| 10 | Molleker R. (WC) | Shevchenko A. | 1 : 2 |
| 11 | Meligeni Alves F. (Q) | Lajovic D. | 1 : 2 |
| 12 | Koepfer D. | Baez S. (3) | 0 : 2 |
| 13 | Fils A. (5) | Munar J. | 2 : 1 |
| 14 | Djere L. | Bergs Z. | 2 : 0 |
| 15 | Trungelliti M. (Q) | Ofner S. (RET.) | 1 : 0 |
| 16 | Marozsan F. | Rune H. (2) | 0 : 2 |
| 1 | Zverev A. (1) | Gaston H. | 2 : 1 |
| 2 | Cobolli F. | Zhang Z. (8) | 0 : 2 |
| 3 | Cerundolo F. (4) | Marterer M. | 2 : 0 |
| 4 | Blanchet U. | Martinez P. | 1 : 2 |
| 5 | Darderi L. (7) | Shevchenko A. | 2 : 1 |
| 6 | Lajovic D. | Baez S. (3) | 1 : 2 |
| 7 | Fils A. (5) | Djere L. | 2 : 0 |
| 8 | Trungelliti M. | Rune H. (2) | 0 : 2 |
| 1 | Zverev A. (1) | Zhang Z. (8) | 2 : 0 |
| 2 | Cerundolo F. (4) | Martinez P. | 1 : 2 |
| 3 | Darderi L. (7) | Baez S. (3) | 1 : 2 |
| 4 | Fils A. (5) | Rune H. (RET.) (2) | 1 : 0 |
| 1 | Zverev A. (1) | Martinez P. | 2 : 0 |
| 2 | Baez S. (3) | Fils A. (5) | 0 : 2 |
| 1 | Zverev A. (1) | Fils A. (5) | 1 : 2 |
Argentina
Australia
Austria
Bahrain
Bosnia and herzegovina
Brazil
Bulgaria
Canada
Chile
China
Colombia
Croatia
Cyprus
Czech Republic
Dominican Republic
Egypt
Estonia
France
Georgia
Germany
Greece
Hong kong
Hungary
India
Israel
Italy
Japan
Kazakhstan
Mexico
Monaco
Morocco
Netherlands
New Zealand
North macedonia
Paraguay
Poland
Portugal
Romania
Saudi Arabia
Serbia
Slovakia
Slovenia
South Africa
South Korea
Spain
Sweden
Switzerland
Thailand
Tunisia
Turkey
United Arab Emirates
United Kingdom
Uruguay
USA
World
Asia
Belgium
Bolivia
Burundi
Denmark
Ethiopia
Finland
Guam
Iran
Jamaica
Luxembourg
Malaysia
Peru
Qatar
Rwanda
Taiwan