| Argentina (7) |
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| Berlocq, Carlos | | Del Potro, Juan Martin | | Kicker, Nicolas | | Mayer, Leonardo | | Pella, Guido | | Schwartzman, Diego | | Zeballos, Horacio |
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| Barty, Ashleigh | | De Minaur, Alex | | Gavrilova, Daria | | Kokkinakis, Thanasi | | Kyrgios, Nick | | Millman, John | | Rodionova, Arina | | Smith, John-Patrick | | Thompson, Jordan | | Tomic, Bernard | | Tomljanovic, Ajla |
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| Haider-Maurer, Andreas | | Thiem, Dominic |
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| Dzumhur, Damir |
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| Dimitrov, Grigor |
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| Giraldo, Santiago |
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| Wozniacki, Caroline |
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| Basilashvili, Nikoloz |
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| Anderson, Kevin |
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| | Uzbekistán (1) |
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| Istomin, Denis |
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