| Argentina (4) |
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| Delbonis, Federico | | Londero, Juan Ignacio | | Pella, Guido | | Schwartzman, Diego |
| | Australia (5) |
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| Barty, Ashleigh | | De Minaur, Alex | | Kyrgios, Nick | | Sharma, Astra | | Thompson, Jordan |
| | Austria (1) |
|---|
| Thiem, Dominic |
| | Belarus (3) |
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| Azarenka, Victoria | | Sabalenka, Aryna | | Sasnovich, Aliaksandra |
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| Belgium (2) |
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| Goffin, David | | Mertens, Elise |
| | Bulgaria (1) |
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| Dimitrov, Grigor |
| | Canada (2) |
|---|
| Auger-Aliassime, Felix | | Shapovalov, Denis |
| | Chile (1) |
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| Garin, Christian |
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| China (3) |
|---|
| Wang, Qiang | | Wang, Yafan | | Zheng, Saisai |
| | Croatia (5) |
|---|
| Cilic, Marin | | Coric, Borna | | Karlovic, Ivo | | Martic, Petra | | Vekic, Donna |
| | Czech Republic (4) |
|---|
| Kvitova, Petra | | Pliskova, Karolina | | Siniakova, Katerina | | Strycova, Barbora |
| | Denmark (1) |
|---|
| Wozniacki, Caroline |
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| Estonia (1) |
|---|
| Kontaveit, Anett |
| | France (8) |
|---|
| Garcia, Caroline | | Gasquet, Richard | | Herbert, Pierre-Hugues | | Mannarino, Adrian | | Monfils, Gael | | Paire, Benoit | | Pouille, Lucas | | Simon, Gilles |
| | Georgia (1) |
|---|
| Basilashvili, Nikoloz |
| | Germany (4) |
|---|
| Goerges, Julia | | Kerber, Angelique | | Struff, Jan-Lennard | | Zverev, Alexander |
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| Greece (2) |
|---|
| Sakkari, Maria | | Tsitsipas, Stefano |
| | Italy (5) |
|---|
| Berrettini, Matteo | | Cecchinato, Marco | | Fognini, Fabio | | Giorgi, Camila | | Sonego, Lorenzo |
| | Japan (3) |
|---|
| Nishikori, Kei | | Nishioka, Yoshihito | | Osaka, Naomi |
| | Kazakhstan (3) |
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| Diyas, Zarina | | Kukushkin, Mikhail | | Putintseva, Yulia |
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| Latvia (2) |
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| Ostapenko, Jelena | | Sevastova, Anastasija |
| | | Netherlands (1) |
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| Bertens, Kiki |
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| Poland (2) |
|---|
| Hurkacz, Hubert | | Swiatek, Iga |
| | | Puerto Rico (1) |
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| Puig, Monica |
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| Russia (8) |
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| Alexandrova, Ekaterina | | Kasatkina, Daria | | Khachanov, Karen | | Kudermetova, Veronika | | Kuznetsova, Svetlana | | Medvedev, Daniil | | Rublev, Andrey | | Sharapova, Maria |
| | Serbia (4) |
|---|
| Djere, Laslo | | Djokovic, Novak | | Kecmanovic, Miomir | | Lajovic, Dusan |
| | Slovakia (1) |
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| Kuzmova, Viktoria |
| | Spain (5) |
|---|
| Bautista Agut, Roberto | | Carreno Busta, Pablo | | Muguruza, Garbiñe | | Suárez Navarro, Carla | | Verdasco, Fernando |
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| Sweden (1) |
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| Peterson, Rebecca |
| | Switzerland (3) |
|---|
| Bencic, Belinda | | Federer, Roger | | Wawrinka, Stan |
| | |
| Ukraine (3) |
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| Svitolina, Elina | | Tsurenko, Lesia | | Yastremska, Dayana |
| | United Kingdom (3) |
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| Edmund, Kyle | | Konta, Johanna | | Murray, Andy |
| | United States (18) |
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| Anisimova, Amanda | | Brady, Jennifer | | Davis, Lauren | | Fritz, Taylor | | Isner, John | | Kenin, Sofia | | Keys, Madison | | Kudla, Denis | | McNally, Caty | | Opelka, Reilly | | Pegula, Jessica | | Pera, Bernarda | | Querrey, Sam | | Riske, Alison | | Stephens, Sloane | | Tiafoe, Frances | | Williams, Serena | | Williams, Venus |
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