| Argentina (6) |
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| Andreozzi, Guido | | Delbonis, Federico | | Londero, Juan Ignacio | | Mayer, Leonardo | | Pella, Guido | | Schwartzman, Diego |
| | Austrálie (13) |
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| Barty, Ashleigh | | De Minaur, Alex | | Ebden, Matthew | | Gavrilova, Daria | | Kyrgios, Nick | | Millman, John | | Popyrin, Alexei | | Rodionova, Arina | | Sharma, Astra | | Stosur, Samantha | | Thompson, Jordan | | Tomic, Bernard | | Tomljanovic, Ajla |
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| Novak, Dennis | | Thiem, Dominic |
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| Azarenka, Victoria | | Lapko, Vera | | Sabalenka, Aryna | | Sasnovich, Aliaksandra |
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| Belgie (8) |
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| Bemelmans, Ruben | | Bonaventure, Ysaline | | Darcis, Steve | | Flipkens, Kirsten | | Goffin, David | | Mertens, Elise | | Uytvanck, Alison Van | | Wickmayer, Yanina |
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| Dzumhur, Damir |
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| Auger-Aliassime, Felix | | Bouchard, Eugenie | | Pospisil, Vasek | | Raonic, Milos | | Schnur, Brayden | | Shapovalov, Denis |
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| Garin, Christian | | Jarry, Nicolas |
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| Wang, Qiang | | Wang, Yafan | | Zhang, Shuai | | Zheng, Saisai | | Zhu, Lin |
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| Chorvatsko (4) |
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| Cilic, Marin | | Karlovic, Ivo | | Martic, Petra | | Vekic, Donna |
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| Baghdatis, Marcos |
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| Berdych, Tomas | | Bouzkova, Marie | | Kvitova, Petra | | Martincova, Tereza | | Muchova, Karolina | | Pliskova, Karolina | | Pliskova, Kristyna | | Siniakova, Katerina | | Strycova, Barbora | | Vesely, Jiri | | Vondrousova, Marketa |
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| Wozniacki, Caroline |
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| Barrere, Gregoire | | Chardy, Jeremy | | Cornet, Alizé | | Ferro, Fiona | | Garcia, Caroline | | Gasquet, Richard | | Herbert, Pierre-Hugues | | Humbert, Ugo | | Mannarino, Adrian | | Mladenovic, Kristina | | Monfils, Gael | | Moutet, Corentin | | Paire, Benoit | | Parmentier, Pauline | | Pouille, Lucas | | Simon, Gilles | | Tsonga, Jo-Wilfried |
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| Basilashvili, Nikoloz |
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| | Itálie (11) |
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| Arnaboldi, Andrea | | Berrettini, Matteo | | Caruso, Salvatore | | Cecchinato, Marco | | Fabbiano, Thomas | | Fognini, Fabio | | Gatto-Monticone, Giulia | | Giorgi, Camila | | Lorenzi, Paolo | | Seppi, Andreas | | Sonego, Lorenzo |
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| Japonsko (5) |
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| Nishikori, Kei | | Nishioka, Yoshihito | | Osaka, Naomi | | Sugita, Yuichi | | Uchiyama, Yasutaka |
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| Bublik, Alexander | | Diyas, Zarina | | Kukushkin, Mikhail | | Putintseva, Yulia |
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| Gulbis, Ernests | | Ostapenko, Jelena | | Sevastova, Anastasija |
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| Berankis, Ricardas |
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| Bertens, Kiki | | Haase, Robin | | Kerkhove, Lesley |
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| Hurkacz, Hubert | | Linette, Magda | | Majchrzak, Kamil | | Swiatek, Iga |
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| Sousa, Joao |
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| Rusko (14) |
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| Alexandrova, Ekaterina | | Diatchenko, Vitalia | | Flink, Varvara | | Gasparyan, Margarita | | Kalinskaya, Anna | | Kasatkina, Daria | | Khachanov, Karen | | Kudermetova, Veronika | | Kuznetsova, Svetlana | | Medvedev, Daniil | | Pavlyuchenkova, Anastasia | | Potapova, Anastasia | | Rublev, Andrey | | Sharapova, Maria |
| | Srbsko (8) |
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| Djere, Laslo | | Djokovic, Novak | | Jorovic, Ivana | | Kecmanovic, Miomir | | Krajinovic, Filip | | Krunic, Aleksandra | | Lajovic, Dusan | | Tipsarevic, Janko |
| | Slovensko (5) |
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| Klizan, Martin | | Kovalik, Jozef | | Kuzmova, Viktoria | | Rybarikova, Magdalena | | Schmiedlova, Anna Karolina |
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| Bedene, Aljaz | | Hercog, Polona | | Jakupovic, Dalila | | Juvan, Kaja | | Zidansek, Tamara |
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| Jihoafrická republika (2) |
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| Anderson, Kevin | | Harris, Lloyd |
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| Kwon, Soonwoo |
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| Andujar, Pablo | | Badosa Gibert, Paula | | Bautista Agut, Roberto | | Carballes Baena, Roberto | | Carreno Busta, Pablo | | Granollers, Marcel | | Lopez, Feliciano | | Muguruza, Garbiñe | | Munar, Jaume | | Nadal, Rafael | | Ramos-Vinolas, Albert | | Sorribes Tormo, Sara | | Suárez Navarro, Carla | | Verdasco, Fernando |
| | Švédsko (1) |
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| Peterson, Rebecca |
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| Švýcarsko (7) |
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| Bacsinszky, Timea | | Bencic, Belinda | | Federer, Roger | | Golubic, Viktorija | | Teichmann, Jil | | Voegele, Stefanie | | Wawrinka, Stan |
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| Hsieh, Su-Wei |
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| Kozlova, Kateryna | | Svitolina, Elina | | Tsurenko, Lesia | | Yastremska, Dayana |
| | Velká Británie (10) |
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| Clarke, Jay | | Dart, Harriet | | Edmund, Kyle | | Evans, Daniel | | Jubb, Paul | | Konta, Johanna | | Norrie, Cameron | | Swan, Katie | | Ward, James | | Watson, Heather |
| | USA (30) |
|---|
| Ahn, Kristie | | Anisimova, Amanda | | Brady, Jennifer | | Brengle, Madison | | Collins, Danielle | | Davis, Lauren | | Fritz, Taylor | | Gauff, Cori | | Giron, Marcos | | Isner, John | | Johnson, Steve | | Kenin, Sofia | | Keys, Madison | | Klahn, Bradley | | Kudla, Denis | | McHale, Christina | | McNally, Caty | | Opelka, Reilly | | Pegula, Jessica | | Pera, Bernarda | | Querrey, Sam | | Riske, Alison | | Rogers, Shelby | | Rubin, Noah | | Sandgren, Tennys | | Stephens, Sloane | | Tiafoe, Frances | | Townsend, Taylor | | Williams, Serena | | Williams, Venus |
| |
| Uzbekistán (1) |
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| Istomin, Denis |
|