| Österreich (1) |
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| Thiem, Dominic |
| | Belgien (1) |
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| Mertens, Elise |
| | Bulgarien (1) |
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| Dimitrov, Grigor |
| | Kanada (1) |
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| Fernandez, Leylah |
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| | Tschechien (3) |
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| Machac, Tomas | | Pliskova, Karolina | | Vondrousova, Marketa |
| | Frankreich (4) |
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| Cornet, Alizé | | Gasquet, Richard | | Humbert, Ugo | | Mannarino, Adrian |
| | Italien (3) |
|---|
| Berrettini, Matteo | | Giorgi, Camila | | Trevisan, Martina |
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| Kasachstan (1) |
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| Bublik, Alexander |
| | | Russland (4) |
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| Karatsev, Aslan | | Pavlyuchenkova, Anastasia | | Potapova, Anastasia | | Rublev, Andrey |
| | Serbien (1) |
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| Djokovic, Novak |
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| Slowakei (1) |
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| Schmiedlova, Anna Karolina |
| | Slowenien (1) |
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| Zidansek, Tamara |
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| Carballes Baena, Roberto | | Davidovich Fokina, Alejandro | | Muguruza, Garbiñe |
| |
| Groß Britannien (1) |
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| Murray, Andy |
| | Vereinigte Staaten (3) |
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| Isner, John | | Riske-Amritraj, Alison | | Stephens, Sloane |
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