| Argentina (2) |
|---|
| Etcheverry, Tomas Martin | | Schwartzman, Diego |
| | Australien (1) |
|---|
| De Minaur, Alex |
| | Bulgarien (1) |
|---|
| Dimitrov, Grigor |
| | Canada (1) |
|---|
| Auger-Aliassime, Felix |
|
| | Kina (2) |
|---|
| Shang, Juncheng | | Zhou, Yi |
| | |
| Tyskland (3) |
|---|
| Hanfmann, Yannick | | Struff, Jan-Lennard | | Zverev, Alexander |
| | Grækenland (1) |
|---|
| Tsitsipas, Stefanos |
| | Italien (4) |
|---|
| Arnaldi, Matteo | | Musetti, Lorenzo | | Sinner, Jannik | | Sonego, Lorenzo |
| | Japan (1) |
|---|
| Nishioka, Yoshihito |
|
| | Rusland (3) |
|---|
| Khachanov, Karen | | Medvedev, Daniil | | Rublev, Andrey |
| | Sydafrika (1) |
|---|
| Harris, Lloyd |
| | Spanien (2) |
|---|
| Alcaraz, Carlos | | Davidovich Fokina, Alejandro |
|
| Storbritannien (3) |
|---|
| Evans, Daniel | | Murray, Andy | | Norrie, Cameron |
| | USA (3) |
|---|
| McDonald, Mackenzie | | Paul, Tommy | | Wolf, J.J. |
|