| Australia (2) |
|---|
| De Minaur, Alex | | Millman, John |
| | Belarus (1) |
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| Gerasimov, Egor |
| | | Canada (1) |
|---|
| Auger-Aliassime, Felix |
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| | Frankrike (3) |
|---|
| Chardy, Jeremy | | Humbert, Ugo | | Mannarino, Adrian |
| | Georgia (1) |
|---|
| Basilashvili, Nikoloz |
| | Tyskland (2) |
|---|
| Struff, Jan-Lennard | | Zverev, Alexander |
|
| Hellas (1) |
|---|
| Tsitsipas, Stefano |
| | Ungarn (1) |
|---|
| Fucsovics, Marton |
| | Italia (1) |
|---|
| Sonego, Lorenzo |
| |
| Kazakhstan (1) |
|---|
| Bublik, Alexander |
| | Nederland (2) |
|---|
| Haase, Robin | | Zandschulp, Botic van de |
| | | Russland (3) |
|---|
| Khachanov, Karen | | Medvedev, Daniil | | Rublev, Andrey |
|
| | Spania (2) |
|---|
| Bautista Agut, Roberto | | Davidovich Fokina, Alejandro |
| | | England (2) |
|---|
| Murray, Andy | | Norrie, Cameron |
|
| Amerika (3) |
|---|
| Giron, Marcos | | Opelka, Reilly | | Paul, Tommy |
|