| Argentina (5) |
|---|
| Andreozzi, Guido | | Delbonis, Federico | | Mayer, Leonardo | | Pella, Guido | | Schwartzman, Diego |
| | Australia (23) |
|---|
| Aiava, Destanee | | Barty, Ashleigh | | Birrell, Kimberly | | Bolt, Alex | | De Minaur, Alex | | Duckworth, James | | Ebden, Matthew | | Gavrilova, Daria | | Hives, Zoe | | Hon, Priscilla | | Kasatkina, Daria | | Kokkinakis, Thanasi | | Kubler, Jason | | Kyrgios, Nick | | Millman, John | | Perez, Ellen | | Polmans, Marc | | Popyrin, Alexei | | Sharma, Astra | | Stosur, Samantha | | Thompson, Jordan | | Tomic, Bernard | | Tomljanovic, Ajla |
| | Austria (1) |
|---|
| Thiem, Dominic |
| | Belarus (5) |
|---|
| Azarenka, Victoria | | Ivashka, Ilya | | Lapko, Vera | | Sabalenka, Aryna | | Sasnovich, Aliaksandra |
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| Belgium (6) |
|---|
| Bonaventure, Ysaline | | Darcis, Steve | | Flipkens, Kirsten | | Goffin, David | | Mertens, Elise | | Uytvanck, Alison Van |
| | Bosnia and Herzegovina (2) |
|---|
| Basic, Mirza | | Dzumhur, Damir |
| | Brasil (1) |
|---|
| Haddad Maia, Beatriz |
| | Bulgaria (1) |
|---|
| Dimitrov, Grigor |
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| Canada (4) |
|---|
| Andreescu, Bianca | | Bouchard, Eugenie | | Raonic, Milos | | Shapovalov, Denis |
| | Chile (2) |
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| Garin, Christian | | Jarry, Nicolas |
| | China (7) |
|---|
| Li, Zhe | | Peng, Shuai | | Wang, Qiang | | Wang, Yafan | | Zhang, Shuai | | Zheng, Saisai | | Zhu, Lin |
| | Croatia (5) |
|---|
| Cilic, Marin | | Coric, Borna | | Karlovic, Ivo | | Martic, Petra | | Vekic, Donna |
|
| Czech Republic (9) |
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| Berdych, Tomas | | Kvitova, Petra | | Muchova, Karolina | | Pliskova, Karolina | | Pliskova, Kristyna | | Siniakova, Katerina | | Strycova, Barbora | | Vesely, Jiri | | Vondrousova, Marketa |
| | Denmark (1) |
|---|
| Wozniacki, Caroline |
| | Estonia (2) |
|---|
| Kanepi, Kaia | | Kontaveit, Anett |
| | France (17) |
|---|
| Burel, Clara | | Chardy, Jeremy | | Cornet, Alizé | | Ferro, Fiona | | Garcia, Caroline | | Herbert, Pierre-Hugues | | Humbert, Ugo | | Mannarino, Adrian | | Mladenovic, Kristina | | Monfils, Gael | | Paire, Benoit | | Parmentier, Pauline | | Ponchet, Jessika | | Pouille, Lucas | | Sakharov, Gleb | | Simon, Gilles | | Tsonga, Jo-Wilfried |
|
| Georgia (1) |
|---|
| Basilashvili, Nikoloz |
| | Germany (13) |
|---|
| Barthel, Mona | | Goerges, Julia | | Gojowczyk, Peter | | Kerber, Angelique | | Kohlschreiber, Philipp | | Maria, Tatjana | | Marterer, Maximilian | | Molleker, Rudolf | | Petkovic, Andrea | | Siegemund, Laura | | Struff, Jan-Lennard | | Zverev, Alexander | | Zverev, Mischa |
| | Greece (2) |
|---|
| Sakkari, Maria | | Tsitsipas, Stefano |
| | Hungary (2) |
|---|
| Babos, Timea | | Fucsovics, Marton |
|
| India (1) |
|---|
| Gunneswaran, Prajnesh |
| | Italy (8) |
|---|
| Berrettini, Matteo | | Cecchinato, Marco | | Fabbiano, Thomas | | Fognini, Fabio | | Giorgi, Camila | | Seppi, Andreas | | Travaglia, Stefano | | Vanni, Luca |
| | Japan (6) |
|---|
| Daniel, Taro | | Doi, Misaki | | Ito, Tatsuma | | Nishikori, Kei | | Nishioka, Yoshihito | | Osaka, Naomi |
| | Kazakhstan (3) |
|---|
| Diyas, Zarina | | Kukushkin, Mikhail | | Putintseva, Yulia |
|
| Latvia (3) |
|---|
| Gulbis, Ernests | | Ostapenko, Jelena | | Sevastova, Anastasija |
| | | Netherlands (2) |
|---|
| Bertens, Kiki | | Haase, Robin |
| | Poland (4) |
|---|
| Hurkacz, Hubert | | Linette, Magda | | Majchrzak, Kamil | | Swiatek, Iga |
|
| Portugal (2) |
|---|
| Sousa, Joao | | Sousa, Pedro |
| | Puerto Rico (1) |
|---|
| Puig, Monica |
| | Romania (7) |
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| Begu, Irina-Camelia | | Bogdan, Ana | | Buzarnescu, Mihaela | | Cirstea, Sorana | | Copil, Marius | | Halep, Simona | | Niculescu, Monica |
| | Russia (15) |
|---|
| Alexandrova, Ekaterina | | Blinkova, Anna | | Donskoy, Evgeny | | Gasparyan, Margarita | | Kalinskaya, Anna | | Khachanov, Karen | | Kudermetova, Veronika | | Makarova, Ekaterina | | Medvedev, Daniil | | Pavlyuchenkova, Anastasia | | Potapova, Anastasia | | Rodina, Evgeniya | | Rublev, Andrey | | Sharapova, Maria | | Vikhlyantseva, Natalia |
|
| Serbia (8) |
|---|
| Djere, Laslo | | Djokovic, Novak | | Kecmanovic, Miomir | | Krajinovic, Filip | | Krunic, Aleksandra | | Lajovic, Dusan | | Tipsarevic, Janko | | Troicki, Viktor |
| | Slovakia (5) |
|---|
| Cibulkova, Dominika | | Klizan, Martin | | Kuzmova, Viktoria | | Rybarikova, Magdalena | | Schmiedlova, Anna Karolina |
| | Slovenia (4) |
|---|
| Bedene, Aljaz | | Hercog, Polona | | Jakupovic, Dalila | | Zidansek, Tamara |
| | South Africa (2) |
|---|
| Anderson, Kevin | | Harris, Lloyd |
|
| South Korea (1) |
|---|
| Chung, Hyeon |
| | Spain (16) |
|---|
| Andujar, Pablo | | Arruabarrena, Lara | | Badosa Gibert, Paula | | Bautista Agut, Roberto | | Carballes Baena, Roberto | | Carreno Busta, Pablo | | Garcia-Lopez, Guillermo | | Granollers, Marcel | | Lopez, Feliciano | | Muguruza, Garbiñe | | Munar, Jaume | | Nadal, Rafael | | Ramos-Vinolas, Albert | | Sorribes Tormo, Sara | | Suárez Navarro, Carla | | Verdasco, Fernando |
| | Sweden (2) |
|---|
| Larsson, Johanna | | Peterson, Rebecca |
| | Swiss (7) |
|---|
| Bacsinszky, Timea | | Bencic, Belinda | | Federer, Roger | | Golubic, Viktorija | | Laaksonen, Henri | | Voegele, Stefanie | | Wawrinka, Stan |
|
| | Thailand (1) |
|---|
| Kumkhum, Luksika |
| | Tunisia (2) |
|---|
| Jabeur, Ons | | Jaziri, Malek |
| | Ukraine (4) |
|---|
| Kozlova, Kateryna | | Svitolina, Elina | | Tsurenko, Lesia | | Yastremska, Dayana |
|
| United Kingdom (8) |
|---|
| Boulter, Katie | | Dart, Harriet | | Edmund, Kyle | | Evans, Daniel | | Konta, Johanna | | Murray, Andy | | Norrie, Cameron | | Watson, Heather |
| | United States (31) |
|---|
| Anisimova, Amanda | | Brengle, Madison | | Collins, Danielle | | Eubanks, Christopher | | Fratangelo, Bjorn | | Fritz, Taylor | | Harrison, Ryan | | Isner, John | | Johnson, Steve | | Kenin, Sofia | | Keys, Madison | | Klahn, Bradley | | Krueger, Mitchell | | Kudla, Denis | | Lepchenko, Varvara | | Mattek-Sands, Bethanie | | McDonald, Mackenzie | | Mmoh, Michael | | Opelka, Reilly | | Osuigwe, Whitney | | Pera, Bernarda | | Querrey, Sam | | Riske, Alison | | Sandgren, Tennys | | Sock, Jack | | Stephens, Sloane | | Tiafoe, Frances | | Townsend, Taylor | | Vickery, Sachia | | Williams, Serena | | Williams, Venus |
| | | Uzbekistan (1) |
|---|
| Istomin, Denis |
|