| Argentina (2) |
|---|
| Coria, Federico | | Pella, Guido |
| | Australia (1) |
|---|
| Millman, John |
| | | Belarus (1) |
|---|
| Gerasimov, Egor |
|
| Czech Republic (1) |
|---|
| Vesely, Jiri |
| | | Georgia (1) |
|---|
| Basilashvili, Nikoloz |
| | Germany (2) |
|---|
| Hanfmann, Yannick | | Struff, Jan-Lennard |
|
| | Italy (7) |
|---|
| Cecchinato, Marco | | Fabbiano, Thomas | | Gaio, Federico | | Musetti, Lorenzo | | Sonego, Lorenzo | | Travaglia, Stefano | | Zeppieri, Giulio |
| | |
| Slovakia (2) |
|---|
| Kovalik, Jozef | | Martin, Andrej |
| | Slovenia (1) |
|---|
| Bedene, Aljaz |
| | Swiss (1) |
|---|
| Huesler, Marc-Andrea |
| | United Kingdom (2) |
|---|
| Broady, Liam | | Evans, Daniel |
|
| United States (2) |
|---|
| Fritz, Taylor | | Paul, Tommy |
|