| Argentína (1) |
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| Mayer, Leonardo |
| | Austrália (8) |
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| Bolt, Alex | | De Minaur, Alex | | Duckworth, James | | Kokkinakis, Thanasi | | Kyrgios, Nick | | Millman, John | | Popyrin, Alexei | | Thompson, Jordan |
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| Dimitrov, Grigor |
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| Struff, Jan-Lennard |
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| Medvedev, Daniil |
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| Srbsko (1) |
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| Kecmanovic, Miomir |
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| Bedene, Aljaz |
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| Nadal, Rafael |
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| USA (4) |
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