| Argentina (1) |
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| Schwartzman, Diego |
| | Australia (1) |
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| Kyrgios, Nick |
| | | Bulgaria (1) |
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| Dimitrov, Grigor |
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| Cilic, Marin | | Martic, Petra |
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| Allertova, Denisa |
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| Carreno Busta, Pablo | | Nadal, Rafael | | Suárez Navarro, Carla |
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| Svitolina, Elina |
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