| Australien (1) |
|---|
| Vukic, Aleksandar |
| | Weißrussland (1) |
|---|
| Ivashka, Ilya |
| | Bosnien und Herzegowina (1) |
|---|
| Basic, Mirza |
| | Bulgarien (3) |
|---|
| Dimitrov, Grigor | | Kuzmanov, Dimitar | | Lazarov, Alexandar |
|
| Tschechien (1) |
|---|
| Lehecka, Jiri |
| | | Frankreich (2) |
|---|
| Blancaneaux, Geoffrey | | Humbert, Ugo |
| | Georgien (1) |
|---|
| Basilashvili, Nikoloz |
|
| Deutschland (2) |
|---|
| Otte, Oscar | | Struff, Jan-Lennard |
| | Italien (4) |
|---|
| Fognini, Fabio | | Musetti, Lorenzo | | Sinner, Jannik | | Sonego, Lorenzo |
| | Litauen (1) |
|---|
| Berankis, Ricardas |
| | Die Niederlande (1) |
|---|
| Rijthoven, Tim van |
|
| Polen (1) |
|---|
| Majchrzak, Kamil |
| | | Serbien (1) |
|---|
| Lajovic, Dusan |
| | Spanien (3) |
|---|
| Carreno Busta, Pablo | | Verdasco, Fernando | | Zapata Miralles, Bernabe |
|
| Schweden (2) |
|---|
| Madaras, Dragos Nicolae | | Ymer, Mikael |
| | Schweiz (1) |
|---|
| Huesler, Marc-Andrea |
|