| Australien (2) |
|---|
| De Minaur, Alex | | Millman, John |
| | Hviderusland (1) |
|---|
| Gerasimov, Egor |
| | Bulgarien (2) |
|---|
| Andreev, Adrian | | Kuzmanov, Dimitar |
| | Canada (3) |
|---|
| Auger-Aliassime, Felix | | Pospisil, Vasek | | Shapovalov, Denis |
|
| | Tjekkiet (1) |
|---|
| Forejtek, Jonas |
| | Frankrig (3) |
|---|
| Gasquet, Richard | | Mannarino, Adrian | | Simon, Gilles |
| | Georgien (1) |
|---|
| Basilashvili, Nikoloz |
|
| Tyskland (1) |
|---|
| Struff, Jan-Lennard |
| | Ungarn (1) |
|---|
| Fucsovics, Marton |
| | Italien (2) |
|---|
| Caruso, Salvatore | | Sinner, Jannik |
| | Japan (2) |
|---|
| Daniel, Taro | | Sugita, Yuichi |
|
| | Rusland (1) |
|---|
| Karatsev, Aslan |
| | Serbien (1) |
|---|
| Troicki, Viktor |
| | Slovakiet (2) |
|---|
| Klizan, Martin | | Martin, Andrej |
|
| Spanien (1) |
|---|
| Carballes Baena, Roberto |
| | Schweizisk (1) |
|---|
| Huesler, Marc-Andrea |
| | Ukraine (1) |
|---|
| Marchenko, Illya |
|