| Argentina (1) |
|---|
| Navone, Mariano |
| | Australien (6) |
|---|
| Hijikata, Rinky | | Kokkinakis, Thanasi | | Kyrgios, Nick | | Popyrin, Alexei | | Thompson, Jordan | | Walton, Adam |
| | | Bulgarien (1) |
|---|
| Dimitrov, Grigor |
|
| Chile (2) |
|---|
| Jarry, Nicolas | | Tabilo, Alejandro |
| | Tjekkiet (2) |
|---|
| Lehecka, Jiri | | Mensik, Jakub |
| | | Frankrig (2) |
|---|
| Monfils, Gael | | Mpetshi Perricard, Giovanni |
|
| Italien (2) |
|---|
| Arnaldi, Matteo | | Berrettini, Matteo |
| | Serbien (1) |
|---|
| Djokovic, Novak |
| | USA (4) |
|---|
| Korda, Sebastian | | Michelsen, Alex | | Opelka, Reilly | | Tiafoe, Frances |
|