| Argentinië (3) |
|---|
| Londero, Juan Ignacio | | Mayer, Leonardo | | Schwartzman, Diego |
| | Australië (2) |
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| De Minaur, Alex | | Popyrin, Alexei |
| | | Bulgarije (1) |
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| Dimitrov, Grigor |
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| Chili (1) |
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| Garin, Christian |
| | Kroatië (3) |
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| Cilic, Marin | | Martic, Petra | | Vekic, Donna |
| | Frankrijk (6) |
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| Gasquet, Richard | | Herbert, Pierre-Hugues | | Mladenovic, Kristina | | Paire, Benoit | | Parry, Diane | | Tsonga, Jo-Wilfried |
| | Duitsland (1) |
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| Siegemund, Laura |
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| Italië (1) |
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| Berrettini, Matteo |
| | | Nederland (1) |
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| Bertens, Kiki |
| | Noorwegen (1) |
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| Ruud, Casper |
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| | Slowakije (1) |
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| Kuzmova, Viktoria |
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| Carreno Busta, Pablo | | Muguruza, Garbiñe |
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| Larsson, Johanna | | Peterson, Rebecca |
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| Zwitserland (2) |
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| Bencic, Belinda | | Wawrinka, Stan |
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