| Argentina (1) |
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| Cerundolo, Juan Manuel |
| | Canada (1) |
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| Fernandez, Leylah |
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| Tjekkiet (3) |
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| Bejlek, Sara | | Machac, Tomas | | Noskova, Linda |
| | Frankrig (2) |
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| Halys, Quentin | | Rakotomanga Rajaonah, Tiantsoa |
| | Tyskland (1) |
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| Hanfmann, Yannick |
| | Ungarn (1) |
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| Marozsan, Fabian |
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| Italien (4) |
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| Musetti, Lorenzo | | Nardi, Luca | | Sonego, Lorenzo | | Stefanini, Lucrezia |
| | Holland (1) |
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| Zandschulp, Botic van de |
| | | Rusland (4) |
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| Blinkova, Anna | | Pavlyuchenkova, Anastasia | | Potapova, Anastasia | | Safiullin, Roman |
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| Serbien (2) |
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| Danilovic, Olga | | Stojanovic, Nina |
| | Spanien (1) |
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| Romero Gormaz, Leyre |
| | Schweizisk (1) |
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| Teichmann, Jil |
| | Ukraine (1) |
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| Kostyuk, Marta |
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| USA (6) |
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| Anisimova, Amanda | | Brooksby, Jenson | | Michelsen, Alex | | Nava, Emilio | | Shelton, Ben | | Tiafoe, Frances |
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