| Australien (1) |
|---|
| Millman, John |
| | Österreich (1) |
|---|
| Thiem, Dominic |
| | | Brasilien (1) |
|---|
| Monteiro, Thiago |
|
| Chile (2) |
|---|
| Garin, Christian | | Tabilo, Alejandro |
| | Tschechien (1) |
|---|
| Lehecka, Jiri |
| | | Frankreich (1) |
|---|
| Gasquet, Richard |
|
| Deutschland (1) |
|---|
| Otte, Oscar |
| | Italien (2) |
|---|
| Cecchinato, Marco | | Fognini, Fabio |
| | | Kasachstan (1) |
|---|
| Kukushkin, Mikhail |
|
| | Russland (4) |
|---|
| Karatsev, Aslan | | Khachanov, Karen | | Rublev, Andrey | | Safiullin, Roman |
| | Serbien (6) |
|---|
| Djere, Laslo | | Djokovic, Novak | | Kecmanovic, Miomir | | Krajinovic, Filip | | Lajovic, Dusan | | Medjedovic, Hamad |
| | Slowenien (1) |
|---|
| Bedene, Aljaz |
|
| | Schweiz (1) |
|---|
| Laaksonen, Henri |
|