| | Bulgaria (1) |
|---|
| Dimitrov, Grigor |
| | Chile (1) |
|---|
| Garin, Christian |
| | Frankrike (1) |
|---|
| Pouille, Lucas |
|
| Tyskland (1) |
|---|
| Zverev, Alexander |
| | Hellas (1) |
|---|
| Tsitsipas, Stefanos |
| | |
| Russland (1) |
|---|
| Rublev, Andrey |
| | Serbia (2) |
|---|
| Djokovic, Novak | | Krajinovic, Filip |
| | Spania (4) |
|---|
| Bautista Agut, Roberto | | Carreno Busta, Pablo | | Davidovich Fokina, Alejandro | | Nadal, Rafael |
| |