| Australia (2) |
|---|
| De Minaur, Alex | | Popyrin, Alexei |
| | Bulgaria (1) |
|---|
| Dimitrov, Grigor |
| | Chile (1) |
|---|
| Tabilo, Alejandro |
| |
| Germany (1) |
|---|
| Altmaier, Daniel |
| | Greece (1) |
|---|
| Tsitsipas, Stefanos |
| | Italy (2) |
|---|
| Berrettini, Matteo | | Musetti, Lorenzo |
| |
| | Russia (2) |
|---|
| Medvedev, Daniil | | Rublev, Andrey |
| | Spain (2) |
|---|
| Alcaraz, Carlos | | Davidovich Fokina, Alejandro |
| | United Kingdom (1) |
|---|
| Draper, Jack |
|