| Argentina (2) |
|---|
| Londero, Juan Ignacio | | Mayer, Leonardo |
| | Kroatia (2) |
|---|
| Martic, Petra | | Vekic, Donna |
| | Tsjekkisk Republikk (1) |
|---|
| Vondrousova, Marketa |
| |
| Frankrike (1) |
|---|
| Paire, Benoit |
| | Hellas (1) |
|---|
| Tsitsipas, Stefano |
| | | Latvia (1) |
|---|
| Sevastova, Anastasija |
|
| Spania (2) |
|---|
| Muguruza, Garbiñe | | Nadal, Rafael |
| | Sveits (2) |
|---|
| Federer, Roger | | Wawrinka, Stan |
| | England (1) |
|---|
| Konta, Johanna |
| | Amerika (1) |
|---|
| Stephens, Sloane |
|