| Australien (2) |
|---|
| Kyrgios, Nick | | Popyrin, Alexei |
| | | Belgien (2) |
|---|
| Goffin, David | | Mertens, Elise |
| |
| Tjekkiet (1) |
|---|
| Pliskova, Karolina |
| | Estland (1) |
|---|
| Kontaveit, Anett |
| | Frankrig (1) |
|---|
| Monfils, Gael |
| | Tyskland (2) |
|---|
| Kerber, Angelique | | Zverev, Alexander |
|
| Italien (1) |
|---|
| Giorgi, Camila |
| | Kasakhstan (2) |
|---|
| Diyas, Zarina | | Putintseva, Yulia |
| | Letland (1) |
|---|
| Gulbis, Ernests |
| |
| | Rumænien (1) |
|---|
| Halep, Simona |
| | Rusland (4) |
|---|
| Khachanov, Karen | | Medvedev, Daniil | | Pavlyuchenkova, Anastasia | | Rublev, Andrey |
| | Spanien (4) |
|---|
| Carreno Busta, Pablo | | Muguruza, Garbiñe | | Nadal, Rafael | | Verdasco, Fernando |
|
| Schweizisk (2) |
|---|
| Bencic, Belinda | | Wawrinka, Stan |
| | Ukraine (1) |
|---|
| Svitolina, Elina |
| | USA (3) |
|---|
| Bellis, CiCi | | Fritz, Taylor | | Isner, John |
|