| Australia (1) |
|---|
| Gavrilova, Daria |
| | Belgium (2) |
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| Goffin, David | | Mertens, Elise |
| | Canada (2) |
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| Andreescu, Bianca | | Shapovalov, Denis |
| |
| Czech Republic (1) |
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| Vondrousova, Marketa |
| | | Germany (1) |
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| Gojowczyk, Peter |
| | Hungary (1) |
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| Fucsovics, Marton |
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| | Latvia (1) |
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| Ostapenko, Jelena |
| | | Netherlands (2) |
|---|
| Bertens, Kiki | | Haase, Robin |
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| Poland (1) |
|---|
| Hurkacz, Hubert |
| | | Russia (2) |
|---|
| Khachanov, Karen | | Rublev, Andrey |
| | Serbia (1) |
|---|
| Krajinovic, Filip |
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| Spain (2) |
|---|
| Lopez, Feliciano | | Muguruza, Garbiñe |
| | Switzerland (3) |
|---|
| Federer, Roger | | Voegele, Stefanie | | Wawrinka, Stan |
| | Ukraine (2) |
|---|
| Kozlova, Kateryna | | Svitolina, Elina |
| | United Kingdom (1) |
|---|
| Konta, Johanna |
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| United States (2) |
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| Johnson, Steve | | Williams, Serena |
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