| Argentina (1) |
|---|
| Schwartzman, Diego |
| | Austria (1) |
|---|
| Thiem, Dominic |
| | | Canada (1) |
|---|
| Shapovalov, Denis |
|
| Francia (2) |
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| Paire, Benoit | | Pouille, Lucas |
| | Germania (1) |
|---|
| Zverev, Alexander |
| | Grecia (1) |
|---|
| Tsitsipas, Stefano |
| |
| Giappone (1) |
|---|
| Nishikori, Kei |
| | Russia (1) |
|---|
| Khachanov, Karen |
| | Spagna (2) |
|---|
| Ferrer, David | | Nadal, Rafael |
| | Regno Unito (1) |
|---|
| Murray, Andy |
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| Stati Uniti (2) |
|---|
| Isner, John | | Tiafoe, Frances |
|