| Australia (4) |
|---|
| Birrell, Kimberly | | Ebden, Matthew | | Millman, John | | Thompson, Jordan |
| | Belarus (1) |
|---|
| Sasnovich, Aliaksandra |
| | Croatia (2) |
|---|
| Martic, Petra | | Vekic, Donna |
| | Czech Republic (2) |
|---|
| Berdych, Tomas | | Vondrousova, Marketa |
|
| Estonia (1) |
|---|
| Kontaveit, Anett |
| | | |
| Japan (1) |
|---|
| Nishioka, Yoshihito |
| | Kazakhstan (1) |
|---|
| Putintseva, Yulia |
| | Netherlands (2) |
|---|
| Bertens, Kiki | | Haase, Robin |
| | Russia (3) |
|---|
| Khachanov, Karen | | Pavlyuchenkova, Anastasia | | Sharapova, Maria |
|
| South Africa (1) |
|---|
| Anderson, Kevin |
| | Spain (2) |
|---|
| Bautista Agut, Roberto | | Nadal, Rafael |
| | Sweden (1) |
|---|
| Peterson, Rebecca |
| | Switzerland (1) |
|---|
| Bencic, Belinda |
|
| Ukraine (1) |
|---|
| Tsurenko, Lesia |
| | United States (4) |
|---|
| Anisimova, Amanda | | Fritz, Taylor | | Stephens, Sloane | | Tiafoe, Frances |
|