| Argentina (3) |
|---|
| Coria, Federico | | Podoroska, Nadia | | Schwartzman, Diego |
| | Austria (1) |
|---|
| Thiem, Dominic |
| | Belgium (1) |
|---|
| Mertens, Elise |
| | Bulgaria (1) |
|---|
| Pironkova, Tsvetana |
|
| Canada (1) |
|---|
| Bouchard, Eugenie |
| | Czech Republic (2) |
|---|
| Krejcikova, Barbora | | Siniakova, Katerina |
| | France (2) |
|---|
| Garcia, Caroline | | Gaston, Hugo |
| | Germany (1) |
|---|
| Zverev, Alexander |
|
| | Italy (5) |
|---|
| Cecchinato, Marco | | Sinner, Jannik | | Sonego, Lorenzo | | Travaglia, Stefano | | Trevisan, Martina |
| | Netherlands (1) |
|---|
| Bertens, Kiki |
| |
| | | Russia (1) |
|---|
| Alexandrova, Ekaterina |
| | Slovakia (2) |
|---|
| Gombos, Norbert | | Schmiedlova, Anna Karolina |
|
| Spain (2) |
|---|
| Martinez, Pedro | | Nadal, Rafael |
| | Switzerland (1) |
|---|
| Wawrinka, Stan |
| | Ukraine (1) |
|---|
| Svitolina, Elina |
| | United States (3) |
|---|
| Anisimova, Amanda | | Fritz, Taylor | | Korda, Sebastian |
|