| Argentinien (2) |
|---|
| Etcheverry, Tomas Martin | | Navone, Mariano |
| | Australien (3) |
|---|
| O'Connell, Christopher | | Popyrin, Alexei | | Thompson, Jordan |
| | Kanada (1) |
|---|
| Auger-Aliassime, Felix |
| | Chile (1) |
|---|
| Tabilo, Alejandro |
|
| | Tschechien (1) |
|---|
| Machac, Tomas |
| | | Frankreich (2) |
|---|
| Fils, Arthur | | Humbert, Ugo |
|
| Griechenland (1) |
|---|
| Tsitsipas, Stefanos |
| | Italien (4) |
|---|
| Arnaldi, Matteo | | Bellucci, Mattia | | Berrettini, Matteo | | Darderi, Luciano |
| | Japan (3) |
|---|
| Mochizuki, Shintaro | | Nishikori, Kei | | Nishioka, Yoshihito |
| | Die Niederlande (1) |
|---|
| Zandschulp, Botic van de |
|
| | | Groß Britannien (1) |
|---|
| Draper, Jack |
| | Vereinigte Staaten (8) |
|---|
| Fritz, Taylor | | Giron, Marcos | | Michelsen, Alex | | Nakashima, Brandon | | Opelka, Reilly | | Paul, Tommy | | Shelton, Ben | | Tiafoe, Frances |
|