| Australien (2) |
|---|
| Kyrgios, Nick | | Stosur, Samantha |
| | Österreich (1) |
|---|
| Thiem, Dominic |
| | Belgien (2) |
|---|
| Darcis, Steve | | Mertens, Elise |
| | Kanada (2) |
|---|
| Bouchard, Eugenie | | Raonic, Milos |
|
| China (2) |
|---|
| Peng, Shuai | | Zhang, Shuai |
| | | | Frankreich (2) |
|---|
| Paire, Benoit | | Pouille, Lucas |
|
| Italien (2) |
|---|
| Cecchinato, Marco | | Fognini, Fabio |
| | Kasachstan (1) |
|---|
| Kukushkin, Mikhail |
| | Lettland (1) |
|---|
| Gulbis, Ernests |
| | Rumänien (2) |
|---|
| Buzarnescu, Mihaela | | Halep, Simona |
|
| Russland (1) |
|---|
| Kasatkina, Daria |
| | Serbien (2) |
|---|
| Djokovic, Novak | | Krajinovic, Filip |
| | Slowakei (2) |
|---|
| Cibulkova, Dominika | | Schmiedlova, Anna Karolina |
| |
| Schweiz (2) |
|---|
| Bacsinszky, Timea | | Wawrinka, Stan |
| | Ukraine (1) |
|---|
| Yastremska, Dayana |
| | Vereinigte Staaten (2) |
|---|
| Krueger, Mitchell | | Williams, Venus |
|