| Argentina (4) |
|---|
| Baez, Sebastian | | Cerundolo, Francisco | | Navone, Mariano | | Ugo Carabelli, Camilo |
| | Austria (2) |
|---|
| Misolic, Filip | | Ofner, Sebastian |
| | Belgium (1) |
|---|
| Collignon, Raphael |
| |
| Bosnia and Herzegovina (1) |
|---|
| Dzumhur, Damir |
| | Brasil (1) |
|---|
| Monteiro, Thiago |
| | Chile (2) |
|---|
| Barrios Vera, Tomas | | Garin, Christian |
| | Czech Republic (1) |
|---|
| Kopriva, Vit |
|
| | | Italy (2) |
|---|
| Darderi, Luciano | | Pellegrino, Andrea |
| | Netherlands (3) |
|---|
| Griekspoor, Tallon | | Jong, Jesper de | | Zandschulp, Botic van de |
|
| Norway (1) |
|---|
| Budkov Kjaer, Nicolai |
| | Portugal (2) |
|---|
| Borges, Nuno | | Faria, Jaime |
| | Sweden (3) |
|---|
| Rejchtman Vinciguerra, William | | Ymer, Elias | | Ymer, Mikael |
| | Taiwan (1) |
|---|
| Tseng, Chun-Hsin |
|
| United States (1) |
|---|
| Boyer, Tristan |
|