| Argentinië (4) |
|---|
| Baez, Sebastian | | Cerundolo, Francisco | | Etcheverry, Tomas Martin | | Navone, Mariano |
| | Australië (3) |
|---|
| McCabe, James | | Purcell, Max | | Vukic, Aleksandar |
| | Brazilië (1) |
|---|
| Seyboth Wild, Thiago |
| | China (2) |
|---|
| Shang, Juncheng | | Zhang, Zhizhen |
|
| Finland (1) |
|---|
| Ruusuvuori, Emil |
| | Frankrijk (1) |
|---|
| Rinderknech, Arthur |
| | Hongarije (1) |
|---|
| Marozsan, Fabian |
| | Italië (2) |
|---|
| Cobolli, Flavio | | Sonego, Lorenzo |
|
| Japan (2) |
|---|
| Nishikori, Kei | | Nishioka, Yoshihito |
| | Kazachstan (1) |
|---|
| Bublik, Alexander |
| | Servië (2) |
|---|
| Djere, Laslo | | Kecmanovic, Miomir |
| | Spanje (1) |
|---|
| Davidovich Fokina, Alejandro |
|
| Verenigd Koninkrijk (7) |
|---|
| Broady, Liam | | Broom, Charles | | Fearnley, Jacob | | Harris, Billy | | Hussey, Giles | | Norrie, Cameron | | Searle, Henry |
| | Verenigde Staten (3) |
|---|
| Fritz, Taylor | | Giron, Marcos | | Paul, Tommy |
|