| Australia (2) |
|---|
| Kyrgios, Nick | | Popyrin, Alexei |
| | Belarus (1) |
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| Sasnovich, Aliaksandra |
| | Belgium (1) |
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| Uytvanck, Alison Van |
| | Canada (1) |
|---|
| Andreescu, Bianca |
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| | Czech Republic (3) |
|---|
| Krejcikova, Barbora | | Muchova, Karolina | | Vondrousova, Marketa |
| | | Estonia (1) |
|---|
| Kontaveit, Anett |
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| France (4) |
|---|
| Chardy, Jeremy | | Cornet, Alizé | | Humbert, Ugo | | Mannarino, Adrian |
| | Germany (1) |
|---|
| Struff, Jan-Lennard |
| | Italy (1) |
|---|
| Musetti, Lorenzo |
| |
| Netherlands (1) |
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| Bertens, Kiki |
| | Poland (2) |
|---|
| Hurkacz, Hubert | | Linette, Magda |
| | Russia (2) |
|---|
| Karatsev, Aslan | | Medvedev, Daniil |
| | Spain (1) |
|---|
| Carreno Busta, Pablo |
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| Switzerland (1) |
|---|
| Federer, Roger |
| | Ukraine (2) |
|---|
| Kostyuk, Marta | | Svitolina, Elina |
| | United States (5) |
|---|
| Anisimova, Amanda | | Fritz, Taylor | | Nakashima, Brandon | | Querrey, Sam | | Williams, Serena |
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