| Belgium (2) |
|---|
| Darcis, Steve | | Goffin, David |
| | France (10) |
|---|
| Barrere, Gregoire | | Gasquet, Richard | | Herbert, Pierre-Hugues | | Hoang, Antoine | | Humbert, Ugo | | Paire, Benoit | | Pouille, Lucas | | Roumane, Rayane | | Simon, Gilles | | Tsonga, Jo-Wilfried |
| | Georgia (1) |
|---|
| Basilashvili, Nikoloz |
| | Germany (6) |
|---|
| Gojowczyk, Peter | | Lenz, Julian | | Maden, Yannick | | Otte, Oscar | | Stebe, Cedrik-Marcel | | Struff, Jan-Lennard |
|
| Slovenia (1) |
|---|
| Bedene, Aljaz |
| | Spain (4) |
|---|
| Andujar, Pablo | | Carreno Busta, Pablo | | Granollers, Marcel | | Verdasco, Fernando |
|