| Argentina (6) |
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| Coria, Federico | | Delbonis, Federico | | Londero, Juan Ignacio | | Pella, Guido | | Podoroska, Nadia | | Schwartzman, Diego |
| | Australia (23) |
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| Aiava, Destanee | | Barty, Ashleigh | | Birrell, Kimberly | | Bolt, Alex | | Cabrera, Lizette | | De Minaur, Alex | | Duckworth, James | | Gavrilova, Daria | | Inglis, Maddison | | Kokkinakis, Thanasi | | Kyrgios, Nick | | Millman, John | | O'Connell, Christopher | | Polmans, Marc | | Popyrin, Alexei | | Rodionova, Arina | | Sharma, Astra | | Stosur, Samantha | | Thompson, Jordan | | Tomic, Bernard | | Tomljanovic, Ajla | | Tu, Li | | Vukic, Aleksandar |
| | Austria (2) |
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| Novak, Dennis | | Thiem, Dominic |
| | Belarús (5) |
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| Azarenka, Victoria | | Gerasimov, Egor | | Ivashka, Ilya | | Sabalenka, Aryna | | Sasnovich, Aliaksandra |
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| Bélgica (7) |
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| Bonaventure, Ysaline | | Coppejans, Kimmer | | Flipkens, Kirsten | | Goffin, David | | Mertens, Elise | | Minnen, Greet | | Uytvanck, Alison Van |
| | | Bosnia y Herzegovina (1) |
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| Dzumhur, Damir |
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| Monteiro, Thiago |
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| Bulgaria (2) |
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| Dimitrov, Grigor | | Pironkova, Tsvetana |
| | Canadá (7) |
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| Andreescu, Bianca | | Auger-Aliassime, Felix | | Fernandez, Leylah | | Marino, Rebecca | | Pospisil, Vasek | | Raonic, Milos | | Shapovalov, Denis |
| | China (5) |
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| Wang, Qiang | | Wang, Yafan | | Zhang, Shuai | | Zheng, Saisai | | Zhu, Lin |
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| Cilic, Marin | | Coric, Borna | | Martic, Petra | | Vekic, Donna |
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| República Checa (11) |
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| Bouzkova, Marie | | Krejcikova, Barbora | | Kvitova, Petra | | Machac, Tomas | | Muchova, Karolina | | Pliskova, Karolina | | Pliskova, Kristyna | | Siniakova, Katerina | | Strycova, Barbora | | Vesely, Jiri | | Vondrousova, Marketa |
| | Dinamarca (1) |
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| Torpegaard, Mikael |
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| Kanepi, Kaia | | Kontaveit, Anett |
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| Ruusuvuori, Emil |
| | Francia (17) |
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| Burel, Clara | | Chardy, Jeremy | | Cornet, Alizé | | Ferro, Fiona | | Garcia, Caroline | | Gracheva, Varvara | | Halys, Quentin | | Herbert, Pierre-Hugues | | Humbert, Ugo | | Mannarino, Adrian | | Mladenovic, Kristina | | Monfils, Gael | | Moutet, Corentin | | Muller, Alexandre | | Paire, Benoit | | Paquet, Chloe | | Simon, Gilles |
| | Georgia (1) |
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| Basilashvili, Nikoloz |
| | Alemania (9) |
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| Barthel, Mona | | Hanfmann, Yannick | | Kerber, Angelique | | Koepfer, Dominik | | Petkovic, Andrea | | Siegemund, Laura | | Stebe, Cedrik-Marcel | | Struff, Jan-Lennard | | Zverev, Alexander |
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| Grecia (2) |
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| Sakkari, Maria | | Tsitsipas, Stefano |
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| Babos, Timea | | Balazs, Attila | | Fucsovics, Marton |
| | | Italia (14) |
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| Berrettini, Matteo | | Caruso, Salvatore | | Cecchinato, Marco | | Cocciaretto, Elisabetta | | Errani, Sara | | Fognini, Fabio | | Giorgi, Camila | | Mager, Gianluca | | Paolini, Jasmine | | Seppi, Andreas | | Sinner, Jannik | | Sonego, Lorenzo | | Travaglia, Stefano | | Trevisan, Martina |
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| Japón (9) |
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| Daniel, Taro | | Doi, Misaki | | Hibi, Mayo | | Hibino, Nao | | Nishikori, Kei | | Nishioka, Yoshihito | | Osaka, Naomi | | Sugita, Yuichi | | Uchiyama, Yasutaka |
| | Kazajstán (6) |
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| Bublik, Alexander | | Diyas, Zarina | | Kukushkin, Mikhail | | Putintseva, Yulia | | Rybakina, Elena | | Shvedova, Yaroslava |
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| Berankis, Ricardas |
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| Kovinic, Danka |
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| Haase, Robin | | Rus, Arantxa | | Zandschulp, Botic van de |
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| Polonia (3) |
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| Hurkacz, Hubert | | Majchrzak, Kamil | | Swiatek, Iga |
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| Ferreira Silva, Frederico | | Sousa, Pedro |
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| Begu, Irina-Camelia | | Bogdan, Ana | | Buzarnescu, Mihaela | | Cirstea, Sorana | | Halep, Simona | | Tig, Patricia Maria |
| | Rusia (16) |
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| Alexandrova, Ekaterina | | Blinkova, Anna | | Gasparyan, Margarita | | Karatsev, Aslan | | Kasatkina, Daria | | Khachanov, Karen | | Kudermetova, Veronika | | Kuznetsova, Svetlana | | Medvedev, Daniil | | Pavlyuchenkova, Anastasia | | Potapova, Anastasia | | Rublev, Andrey | | Safiullin, Roman | | Samsonova, Liudmila | | Savinykh, Valeria | | Zvonareva, Vera |
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| Serbia (8) |
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| Danilovic, Olga | | Djere, Laslo | | Djokovic, Novak | | Kecmanovic, Miomir | | Krajinovic, Filip | | Lajovic, Dusan | | Stojanovic, Nina | | Troicki, Viktor |
| | Eslovaquia (4) |
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| Gombos, Norbert | | Kuzmova, Viktoria | | Martin, Andrej | | Schmiedlova, Anna Karolina |
| | Eslovenia (4) |
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| Bedene, Aljaz | | Hercog, Polona | | Juvan, Kaja | | Zidansek, Tamara |
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| Anderson, Kevin | | Harris, Lloyd |
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| Corea del Sur (1) |
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| Kwon, Soonwoo |
| | España (14) |
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| | Suecia (3) |
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| Peterson, Rebecca | | Ymer, Elias | | Ymer, Mikael |
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| Bencic, Belinda | | Laaksonen, Henri | | Teichmann, Jil | | Wawrinka, Stan |
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| Taiwan (2) |
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| Hsieh, Su-Wei | | Lu, Yen-Hsun |
| | | Ucrania (3) |
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| Kostyuk, Marta | | Stakhovsky, Sergiy | | Svitolina, Elina |
| | Reino Unido (6) |
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| Boulter, Katie | | Evans, Daniel | | Jones, Francesca | | Konta, Johanna | | Norrie, Cameron | | Watson, Heather |
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| Estados Unidos (26) |
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| Brady, Jennifer | | Brengle, Madison | | Collins, Danielle | | Cressy, Maxime | | Davis, Lauren | | Fritz, Taylor | | Gauff, Coco | | Giron, Marcos | | Kenin, Sofia | | Li, Ann | | McDonald, Mackenzie | | McHale, Christina | | Mmoh, Michael | | Opelka, Reilly | | Osuigwe, Whitney | | Paul, Tommy | | Pegula, Jessica | | Pera, Bernarda | | Querrey, Sam | | Riske, Alison | | Rogers, Shelby | | Sandgren, Tennys | | Stephens, Sloane | | Tiafoe, Frances | | Williams, Serena | | Williams, Venus |
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