| Argentina (6) |
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| Delbonis, Federico | | Londero, Juan Ignacio | | Mayer, Leonardo | | Pella, Guido | | Schwartzman, Diego | | Trungelliti, Marco |
| | Australia (18) |
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| Barty, Ashleigh | | Bolt, Alex | | Cabrera, Lizette | | Duckworth, James | | Harris, Andrew | | Hon, Priscilla | | Kyrgios, Nick | | Millman, John | | O'Connell, Christopher | | Polmans, Marc | | Popyrin, Alexei | | Purcell, Max | | Rodionova, Arina | | Sharma, Astra | | Smith, John-Patrick | | Stosur, Samantha | | Thompson, Jordan | | Tomljanovic, Ajla |
| | Austria (2) |
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| Novak, Dennis | | Thiem, Dominic |
| | Bielorussia (4) |
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| Gerasimov, Egor | | Ivashka, Ilya | | Sabalenka, Aryna | | Sasnovich, Aliaksandra |
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| Belgio (5) |
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| Flipkens, Kirsten | | Goffin, David | | Mertens, Elise | | Minnen, Greet | | Uytvanck, Alison Van |
| | | Bosnia-Erzegovina (1) |
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| Dzumhur, Damir |
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| Monteiro, Thiago |
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| Bulgaria (1) |
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| Dimitrov, Grigor |
| | Canada (5) |
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| Auger-Aliassime, Felix | | Fernandez, Leylah | | Pospisil, Vasek | | Raonic, Milos | | Shapovalov, Denis |
| | Cile (2) |
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| Garin, Christian | | Tabilo, Alejandro |
| | Cina (6) |
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| Peng, Shuai | | Wang, Qiang | | Wang, Yafan | | Zhang, Shuai | | Zheng, Saisai | | Zhu, Lin |
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| Colombia (1) |
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| Galan, Daniel Elahi |
| | Croazia (5) |
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| Cilic, Marin | | Coric, Borna | | Karlovic, Ivo | | Martic, Petra | | Vekic, Donna |
| | Repubblica Ceca (9) |
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| Bouzkova, Marie | | Krejcikova, Barbora | | Kvitova, Petra | | Muchova, Karolina | | Pliskova, Karolina | | Pliskova, Kristyna | | Siniakova, Katerina | | Strycova, Barbora | | Vondrousova, Marketa |
| | Danimarca (1) |
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| Wozniacki, Caroline |
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| Egitto (1) |
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| Safwat, Mohamed |
| | Estonia (2) |
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| Kanepi, Kaia | | Kontaveit, Anett |
| | Francia (17) |
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| Barrere, Gregoire | | Chardy, Jeremy | | Cornet, Alizé | | Ferro, Fiona | | Garcia, Caroline | | Gaston, Hugo | | Halys, Quentin | | Herbert, Pierre-Hugues | | Humbert, Ugo | | Mannarino, Adrian | | Mladenovic, Kristina | | Monfils, Gael | | Moutet, Corentin | | Paire, Benoit | | Parmentier, Pauline | | Simon, Gilles | | Tsonga, Jo-Wilfried |
| | Georgia (1) |
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| Basilashvili, Nikoloz |
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| Germania (11) |
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| Goerges, Julia | | Gojowczyk, Peter | | Kerber, Angelique | | Koepfer, Dominik | | Kohlschreiber, Philipp | | Lottner, Antonia | | Maria, Tatjana | | Siegemund, Laura | | Stebe, Cedrik-Marcel | | Struff, Jan-Lennard | | Zverev, Alexander |
| | Grecia (2) |
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| Sakkari, Maria | | Tsitsipas, Stefano |
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| Babos, Timea | | Fucsovics, Marton |
| | India (1) |
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| Gunneswaran, Prajnesh |
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| Italia (13) |
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| Berrettini, Matteo | | Caruso, Salvatore | | Cecchinato, Marco | | Cocciaretto, Elisabetta | | Fognini, Fabio | | Giorgi, Camila | | Giustino, Lorenzo | | Paolini, Jasmine | | Seppi, Andreas | | Sinner, Jannik | | Sonego, Lorenzo | | Travaglia, Stefano | | Trevisan, Martina |
| | Giappone (7) |
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| Doi, Misaki | | Hibino, Nao | | Ito, Tatsuma | | Nishioka, Yoshihito | | Osaka, Naomi | | Sugita, Yuichi | | Uchiyama, Yasutaka |
| | Kazakistan (5) |
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| Bublik, Alexander | | Diyas, Zarina | | Kukushkin, Mikhail | | Putintseva, Yulia | | Rybakina, Elena |
| | Lettonia (3) |
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| Gulbis, Ernests | | Ostapenko, Jelena | | Sevastova, Anastasija |
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| Lituania (1) |
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| Berankis, Ricardas |
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| Kovinic, Danka |
| | Marocco (1) |
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| Benchetrit, Elliot |
| | Olanda (3) |
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| Bertens, Kiki | | Griekspoor, Tallon | | Rus, Arantxa |
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| | Polonia (3) |
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| Hurkacz, Hubert | | Linette, Magda | | Swiatek, Iga |
| | Portogallo (1) |
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| Sousa, Joao |
| | Romania (4) |
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| Begu, Irina-Camelia | | Cirstea, Sorana | | Halep, Simona | | Niculescu, Monica |
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| Russia (16) |
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| Alexandrova, Ekaterina | | Blinkova, Anna | | Diatchenko, Vitalia | | Donskoy, Evgeny | | Gasparyan, Margarita | | Kalinskaya, Anna | | Kasatkina, Daria | | Khachanov, Karen | | Kudermetova, Veronika | | Kuznetsova, Svetlana | | Medvedev, Daniil | | Pavlyuchenkova, Anastasia | | Potapova, Anastasia | | Rublev, Andrey | | Samsonova, Liudmila | | Sharapova, Maria |
| | Serbia (6) |
|---|
| Djere, Laslo | | Djokovic, Novak | | Kecmanovic, Miomir | | Krajinovic, Filip | | Lajovic, Dusan | | Stojanovic, Nina |
| | Slovacchia (4) |
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| Gombos, Norbert | | Kovalik, Jozef | | Kuzmova, Viktoria | | Schmiedlova, Anna Karolina |
| | Slovenia (4) |
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| Bedene, Aljaz | | Hercog, Polona | | Juvan, Kaja | | Zidansek, Tamara |
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| Sud Africa (2) |
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| Anderson, Kevin | | Harris, Lloyd |
| | Corea del Sud (2) |
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| Han, Na-Lae | | Kwon, Soonwoo |
| | Spagna (16) |
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| Andujar, Pablo | | Badosa Gibert, Paula | | Bautista Agut, Roberto | | Carballes Baena, Roberto | | Carreno Busta, Pablo | | Davidovich Fokina, Alejandro | | Lopez, Feliciano | | Martinez, Pedro | | Muguruza, Garbiñe | | Munar, Jaume | | Nadal, Rafael | | Ramos-Vinolas, Albert | | Sorribes Tormo, Sara | | Suárez Navarro, Carla | | Verdasco, Fernando | | Vilella Martinez, Mario |
| | Svezia (3) |
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| Larsson, Johanna | | Peterson, Rebecca | | Ymer, Mikael |
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| Svizzera (5) |
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| Bencic, Belinda | | Federer, Roger | | Golubic, Viktorija | | Teichmann, Jil | | Wawrinka, Stan |
| | Taiwan (2) |
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| Hsieh, Su-Wei | | Lu, Yen-Hsun |
| | | Ucraina (5) |
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| Bondarenko, Kateryna | | Kozlova, Kateryna | | Svitolina, Elina | | Tsurenko, Lesia | | Yastremska, Dayana |
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| Regno Unito (7) |
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| Boulter, Katie | | Dart, Harriet | | Edmund, Kyle | | Evans, Daniel | | Konta, Johanna | | Norrie, Cameron | | Watson, Heather |
| | Stati Uniti (34) |
|---|
| Ahn, Kristie | | Anisimova, Amanda | | Bellis, CiCi | | Brady, Jennifer | | Brengle, Madison | | Collins, Danielle | | Davis, Lauren | | Eubanks, Christopher | | Fritz, Taylor | | Gauff, Coco | | Giron, Marcos | | Isner, John | | Johnson, Steve | | Kenin, Sofia | | Keys, Madison | | Li, Ann | | McDonald, Mackenzie | | McHale, Christina | | McNally, Caty | | Mmoh, Michael | | Opelka, Reilly | | Paul, Tommy | | Pegula, Jessica | | Pera, Bernarda | | Querrey, Sam | | Riske, Alison | | Rogers, Shelby | | Sandgren, Tennys | | Stephens, Sloane | | Tiafoe, Frances | | Townsend, Taylor | | Vandeweghe, Coco | | Williams, Serena | | Williams, Venus |
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