| Australien (1) |
|---|
| Millman, John |
| | Belgien (2) |
|---|
| Bemelmans, Ruben | | Goffin, David |
| | Bosnien und Herzegowina (1) |
|---|
| Dzumhur, Damir |
| | Frankreich (11) |
|---|
| Benneteau, Julien | | Chardy, Jeremy | | De Schepper, Kenny | | Gasquet, Richard | | Hemery, Calvin | | Herbert, Pierre-Hugues | | Mahut, Nicolas | | Paire, Benoit | | Pouille, Lucas | | Simon, Gilles | | Tsonga, Jo-Wilfried |
|
| Deutschland (3) |
|---|
| Brown, Dustin | | Maden, Yannick | | Zverev, Mischa |
| | Griechenland (1) |
|---|
| Tsitsipas, Stefano |
| | | Litauen (1) |
|---|
| Berankis, Ricardas |
|
| Russland (3) |
|---|
| Khachanov, Karen | | Medvedev, Daniil | | Rublev, Andrey |
| | Slowakei (1) |
|---|
| Gombos, Norbert |
| | Spanien (3) |
|---|
| Ferrer, David | | Garcia-Lopez, Guillermo | | Taberner, Carlos |
|