| Argentinien (2) |
|---|
| Mayer, Leonardo | | Schwartzman, Diego |
| | Australien (1) |
|---|
| Millman, John |
| | Österreich (1) |
|---|
| Thiem, Dominic |
| | Bosnien und Herzegowina (1) |
|---|
| Dzumhur, Damir |
|
| Brasilien (1) |
|---|
| Monteiro, Thiago |
| | | Frankreich (5) |
|---|
| Gasquet, Richard | | Monfils, Gael | | Moutet, Corentin | | Paire, Benoit | | Simon, Gilles |
| | Georgien (1) |
|---|
| Basilashvili, Nikoloz |
|
| Deutschland (7) |
|---|
| Gojowczyk, Peter | | Kohlschreiber, Philipp | | Marterer, Maximilian | | Masur, Daniel | | Mayer, Florian | | Molleker, Rudolf | | Struff, Jan-Lennard |
| | Ungarn (1) |
|---|
| Fucsovics, Marton |
| | Italien (1) |
|---|
| Cecchinato, Marco |
| |
| Serbien (1) |
|---|
| Lajovic, Dusan |
| | Slowakei (1) |
|---|
| Kovalik, Jozef |
| | Slowenien (1) |
|---|
| Bedene, Aljaz |
| | Spanien (4) |
|---|
| Carreno Busta, Pablo | | Ferrer, David | | Ramos-Vinolas, Albert | | Verdasco, Fernando |
|
| Schweiz (1) |
|---|
| Laaksonen, Henri |
| |