| Belgium (2) |
|---|
| Goffin, David | | Mertens, Elise |
| | Czech Republic (1) |
|---|
| Bouzkova, Marie |
| | France (1) |
|---|
| Garcia, Caroline |
| | Germany (2) |
|---|
| Maria, Tatjana | | Niemeier, Jule |
|
| | Latvia (1) |
|---|
| Ostapenko, Jelena |
| | Netherlands (1) |
|---|
| Rijthoven, Tim van |
| | Serbia (1) |
|---|
| Djokovic, Novak |
|
| | | United Kingdom (2) |
|---|
| Norrie, Cameron | | Watson, Heather |
| | United States (2) |
|---|
| Paul, Tommy | | Tiafoe, Frances |
|