| Argentina (2) |
|---|
| Baez, Sebastian | | Etcheverry, Tomas Martin |
| | Australien (2) |
|---|
| De Minaur, Alex | | Thompson, Jordan |
| | Bosnien og Herzegovina (1) |
|---|
| Dzumhur, Damir |
| | Colombia (1) |
|---|
| Galan, Daniel Elahi |
|
| | Frankrig (3) |
|---|
| Fils, Arthur | | Mpetshi Perricard, Giovanni | | Rinderknech, Arthur |
| | Grækenland (1) |
|---|
| Tsitsipas, Stefanos |
| | Italien (1) |
|---|
| Arnaldi, Matteo |
|
| Holland (1) |
|---|
| Jong, Jesper de |
| | | Rusland (2) |
|---|
| Khachanov, Karen | | Rublev, Andrey |
| | Serbien (2) |
|---|
| Djere, Laslo | | Medjedovic, Hamad |
|
| Spanien (7) |
|---|
| Alcaraz, Carlos | | Carballes Baena, Roberto | | Carreno Busta, Pablo | | Davidovich Fokina, Alejandro | | Martinez, Pedro | | Munar, Jaume | | Ramos-Vinolas, Albert |
| | Schweizisk (1) |
|---|
| Wawrinka, Stan |
| | Storbritannien (2) |
|---|
| Fearnley, Jacob | | Norrie, Cameron |
| | USA (5) |
|---|
| Korda, Sebastian | | Nakashima, Brandon | | Opelka, Reilly | | Quinn, Ethan | | Tiafoe, Frances |
|