| Argentina (6) |
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| Bagnis, Facundo | | Delbonis, Federico | | Mayer, Leonardo | | Monaco, Juan | | Schwartzman, Diego | | Zeballos, Horacio |
| | Austrália (16) |
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| Dellacqua, Casey | | Duckworth, James | | Ebden, Matthew | | Gajdosova, Jarmila | | Gavrilova, Daria | | Groth, Sam | | Hewitt, Lleyton | | Kokkinakis, Thanasi | | Kyrgios, Nick | | Matosevic, Marinko | | Millman, John | | Saville, Luke | | Smith, John-Patrick | | Stosur, Samantha | | Tomic, Bernard | | Tomljanovic, Ajla |
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| Haider-Maurer, Andreas | | Paszek, Tamira | | Thiem, Dominic |
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| Bélgica (6) |
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| Bemelmans, Ruben | | Darcis, Steve | | Flipkens, Kirsten | | Goffin, David | | Uytvanck, Alison Van | | Wickmayer, Yanina |
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| Dzumhur, Damir |
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| Bellucci, Thomaz | | Pereira, Teliana | | Souza, Joao |
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| Bouchard, Eugenie | | Pospisil, Vasek | | Raonic, Milos |
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| Duan, Ying-Ying | | Wang, Qiang | | Xu, Yi-Fan | | Zheng, Saisai | | Zhu, Lin |
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| Duque-Mariño, Mariana | | Falla, Alejandro | | Giraldo, Santiago |
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| Cilic, Marin | | Coric, Borna | | Karlovic, Ivo | | Konjuh, Ana | | Lucic-Baroni, Mirjana |
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| Chipre (1) |
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| Baghdatis, Marcos |
| | República Checa (15) |
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| Allertova, Denisa | | Berdych, Tomas | | Cetkovska, Petra | | Hradecka, Lucie | | Koukalova, Klara | | Kvitova, Petra | | Pliskova, Karolina | | Pliskova, Kristyna | | Rosol, Lukas | | Safarova, Lucie | | Siniakova, Katerina | | Smitkova, Tereza | | Stepanek, Radek | | Strycova, Barbora | | Vesely, Jiri |
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| Wozniacki, Caroline |
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| Estrella Burgos, Victor |
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| Nieminen, Jarkko |
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| Chardy, Jeremy | | Cornet, Alizé | | De Schepper, Kenny | | Garcia, Caroline | | Gasquet, Richard | | Herbert, Pierre-Hugues | | Mahut, Nicolas | | Mannarino, Adrian | | Millot, Vincent | | Mladenovic, Kristina | | Monfils, Gael | | Paire, Benoit | | Parmentier, Pauline | | Pouille, Lucas | | Simon, Gilles | | Tsonga, Jo-Wilfried |
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| Basilashvili, Nikoloz |
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| Alemanha (18) |
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| | | | Itália (11) |
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| Bolelli, Simone | | Errani, Sara | | Fognini, Fabio | | Giorgi, Camila | | Knapp, Karin | | Lorenzi, Paolo | | Pennetta, Flavia | | Schiavone, Francesca | | Seppi, Andreas | | Vanni, Luca | | Vinci, Roberta |
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| Japão (6) |
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| Doi, Misaki | | Moriya, Hiroki | | Nara, Kurumi | | Nishikori, Kei | | Soeda, Go | | Sugita, Yuichi |
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| Erakovic, Marina |
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| Janowicz, Jerzy | | Linette, Magda | | Radwanska, Agnieszka | | Radwanska, Urszula |
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| Puig, Monica |
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| Diatchenko, Vitalia | | Gabashvili, Teymuraz | | Gasparyan, Margarita | | Kulichkova, Elizaveta | | Kuznetsova, Svetlana | | Makarova, Ekaterina | | Pavlyuchenkova, Anastasia | | Rodina, Evgeniya | | Sharapova, Maria | | Vesnina, Elena | | Youzhny, Mikhail |
| | Sérvia (9) |
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| Djokovic, Novak | | Ivanovic, Ana | | Jankovic, Jelena | | Jovanovski, Bojana | | Krajinovic, Filip | | Krunic, Aleksandra | | Lajovic, Dusan | | Tipsarevic, Janko | | Troicki, Viktor |
| | Eslováquia (7) |
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| Cepelova, Jana | | Cibulkova, Dominika | | Hantuchova, Daniela | | Klizan, Martin | | Lacko, Lukas | | Rybarikova, Magdalena | | Schmiedlova, Anna |
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| Bedene, Aljaz | | Hercog, Polona | | Kavcic, Blaz | | Rola, Blaz |
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| África do Sul (1) |
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| Anderson, Kevin |
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| Chung, Hyeon |
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| Almagro, Nicolas | | Andujar, Pablo | | Arruabarrena, Lara | | Bautista Agut, Roberto | | Carreno Busta, Pablo | | Garcia-Lopez, Guillermo | | Gimeno-Traver, Daniel | | Granollers, Marcel | | Lopez, Feliciano | | Muguruza, Garbiñe | | Nadal, Rafael | | Ramos-Vinolas, Albert | | Robredo, Tommy | | Soler-Espinosa, Sílvia | | Suárez Navarro, Carla | | Verdasco, Fernando |
| | Suécia (2) |
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| Larsson, Johanna | | Ymer, Elias |
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| Suíça (5) |
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| Bacsinszky, Timea | | Bencic, Belinda | | Federer, Roger | | Voegele, Stefanie | | Wawrinka, Stan |
| | Taiwan (2) |
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| Hsieh, Su-Wei | | Lu, Yen-Hsun |
| | |
| Ucrânia (5) |
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| Dolgopolov, Alexandr | | Nedovyesov, Aleksandr | | Stakhovsky, Sergiy | | Svitolina, Elina | | Tsurenko, Lesia |
| | Reino Unido (9) |
|---|
| Broady, Liam | | Broady, Naomi | | Edmund, Kyle | | Klein, Brydan | | Konta, Johanna | | Murray, Andy | | Robson, Laura | | Ward, James | | Watson, Heather |
| | Estados Unidos (23) |
|---|
| Brengle, Madison | | Davis, Lauren | | Falconi, Irina | | Gallovits-Hall, Edina | | Gibbs, Nicole | | Isner, John | | Johnson, Steve | | Keys, Madison | | Kudla, Denis | | Lepchenko, Varvara | | Mattek-Sands, Bethanie | | McHale, Christina | | Querrey, Sam | | Riske, Alison | | Rogers, Shelby | | Smyczek, Tim | | Sock, Jack | | Stephens, Sloane | | Vandeweghe, Coco | | Vickery, Sachia | | Williams, Serena | | Williams, Venus | | Young, Donald |
| |
| Uzbequistão (1) |
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| Istomin, Denis |
|