| Argentina (6) |
|---|
| Berlocq, Carlos | | Delbonis, Federico | | Kicker, Nicolas | | Mayer, Leonardo | | Schwartzman, Diego | | Zeballos, Horacio |
| | Østrig (1) |
|---|
| Haider-Maurer, Andreas |
| | Bosnien og Herzegovina (1) |
|---|
| Dzumhur, Damir |
| | Brasilien (1) |
|---|
| Dutra Silva, Rogerio |
|
| | Den Dominikanske Republik (1) |
|---|
| Hernandez-Fernandez, Jose |
| | Frankrig (2) |
|---|
| Paire, Benoit | | Simon, Gilles |
| | Georgien (1) |
|---|
| Basilashvili, Nikoloz |
|
| Tyskland (8) |
|---|
| Altmaier, Daniel | | Haas, Tommy | | Kohlschreiber, Philipp | | Marterer, Maximilian | | Mayer, Florian | | Molleker, Rudolf | | Stebe, Cedrik-Marcel | | Struff, Jan-Lennard |
| | Italien (1) |
|---|
| Cecchinato, Marco |
| | Rusland (5) |
|---|
| Donskoy, Evgeny | | Khachanov, Karen | | Kuznetsov, Andrey | | Rublev, Andrey | | Tursunov, Dmitry |
| | Slovenien (1) |
|---|
| Bedene, Aljaz |
|
| Spanien (3) |
|---|
| Ferrer, David | | Ramos-Vinolas, Albert | | Verdasco, Fernando |
| |