| Argentína (7) |
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| Del Potro, Juan Martin | | Delbonis, Federico | | Kicker, Nicolas | | Mayer, Leonardo | | Pella, Guido | | Schwartzman, Diego | | Zeballos, Horacio |
| | Austrália (17) |
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| Aiava, Destanee | | Barty, Ashleigh | | Bolt, Alex | | Cabrera, Lizette | | De Minaur, Alex | | Ebden, Matthew | | Fourlis, Jaimee | | Gavrilova, Daria | | Kokkinakis, Thanasi | | Kubler, Jason | | Kyrgios, Nick | | Millman, John | | Popyrin, Alexei | | Rogowska, Olivia | | Stosur, Samantha | | Thompson, Jordan | | Tomljanovic, Ajla |
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| Dzumhur, Damir |
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| Duan, Ying-Ying | | Peng, Shuai | | Wang, Qiang | | Wang, Xinyu | | Zhang, Shuai | | Zhu, Lin |
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| Duque-Mariño, Mariana |
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| Chorvátsko (7) |
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| Baghdatis, Marcos |
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| Wozniacki, Caroline |
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| Basilashvili, Nikoloz |
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| | Japonsko (7) |
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| Daniel, Taro | | Eguchi, Misa | | Hibino, Nao | | Nara, Kurumi | | Nishioka, Yoshihito | | Osaka, Naomi | | Sugita, Yuichi |
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| Alexandrova, Ekaterina | | Blinkova, Anna | | Donskoy, Evgeny | | Gasparyan, Margarita | | Kalinskaya, Anna | | Kasatkina, Daria | | Khachanov, Karen | | Makarova, Ekaterina | | Medvedev, Daniil | | Pavlyuchenkova, Anastasia | | Rublev, Andrey | | Sharapova, Maria | | Vesnina, Elena | | Vikhlyantseva, Natalia | | Youzhny, Mikhail |
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| Srbsko (6) |
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| Djere, Laslo | | Djokovic, Novak | | Jorovic, Ivana | | Krunic, Aleksandra | | Lajovic, Dusan | | Troicki, Viktor |
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| Cepelova, Jana | | Cibulkova, Dominika | | Kucova, Kristina | | Kuzmova, Viktoria | | Lacko, Lukas | | Rybarikova, Magdalena | | Schmiedlova, Anna Karolina |
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| Bedene, Aljaz | | Hercog, Polona | | Kavcic, Blaz |
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| Anderson, Kevin |
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| Larsson, Johanna | | Ymer, Elias |
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| Kumkhum, Luksika |
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| Veľká Británia (3) |
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| Edmund, Kyle | | Konta, Johanna | | Watson, Heather |
| | USA (31) |
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| Ahn, Kristie | | Bellis, CiCi | | Brady, Jennifer | | Brengle, Madison | | Davis, Lauren | | Donaldson, Jared | | Falconi, Irina | | Gibbs, Nicole | | Harrison, Ryan | | Isner, John | | Johnson, Steve | | Kenin, Sofia | | Keys, Madison | | King, Kevin | | Kudla, Denis | | Lepchenko, Varvara | | McDonald, Mackenzie | | McHale, Christina | | Pera, Bernarda | | Querrey, Sam | | Riske, Alison | | Rogers, Shelby | | Sandgren, Tennys | | Smyczek, Tim | | Sock, Jack | | Stephens, Sloane | | Tiafoe, Frances | | Townsend, Taylor | | Vandeweghe, Coco | | Williams, Venus | | Young, Donald |
| | | Uzbekistan (1) |
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| Istomin, Denis |
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