| Argentina (2) |
|---|
| Podoroska, Nadia | | Schwartzman, Diego |
| | Belarus (1) |
|---|
| Sabalenka, Aryna |
| | Canada (1) |
|---|
| Pospisil, Vasek |
| |
| Czech Republic (3) |
|---|
| Martincova, Tereza | | Pliskova, Karolina | | Vesely, Jiri |
| | | | Hungary (1) |
|---|
| Fucsovics, Marton |
|
| | | Russia (3) |
|---|
| Rublev, Andrey | | Samsonova, Liudmila | | Zvonareva, Vera |
| | Serbia (3) |
|---|
| Djere, Laslo | | Kecmanovic, Miomir | | Lajovic, Dusan |
|
| South Africa (1) |
|---|
| Harris, Lloyd |
| | Spain (1) |
|---|
| Bautista Agut, Roberto |
| | | United Kingdom (4) |
|---|
| Boulter, Katie | | Broady, Liam | | Evans, Daniel | | Murray, Andy |
|
| United States (6) |
|---|
| Davis, Lauren | | Keys, Madison | | Pegula, Jessica | | Rogers, Shelby | | Tiafoe, Frances | | Williams, Venus |
|