| Argentina (5) |
|---|
| Andreozzi, Guido | | Cerundolo, Francisco | | Navone, Mariano | | Trungelliti, Marco | | Ugo Carabelli, Camilo |
| | Australia (1) |
|---|
| Popyrin, Alexei |
| | Austria (1) |
|---|
| Misolic, Filip |
| | Brasil (1) |
|---|
| Monteiro, Thiago |
|
| Croatia (4) |
|---|
| Ajdukovic, Duje | | Dodig, Ivan | | Mikrut, Luka | | Poljicak, Mili |
| | Czech Republic (2) |
|---|
| Machac, Tomas | | Mensik, Jakub |
| | | France (3) |
|---|
| Assche, Luca Van | | Couacaud, Enzo | | Muller, Alexandre |
|
| Hungary (1) |
|---|
| Marozsan, Fabian |
| | Italy (6) |
|---|
| Arnaldi, Matteo | | Cobolli, Flavio | | Darderi, Luciano | | Fognini, Fabio | | Musetti, Lorenzo | | Sonego, Lorenzo |
| | Kazakhstan (1) |
|---|
| Shevchenko, Alexander |
| |
| | Taiwan (1) |
|---|
| Tseng, Chun-Hsin |
|