| Argentina (5) |
|---|
| Andreozzi, Guido | | Delbonis, Federico | | Mayer, Leonardo | | Pella, Guido | | Schwartzman, Diego |
| | Australien (12) |
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| Barty, Ashleigh | | Bolt, Alex | | De Minaur, Alex | | Ebden, Matthew | | Gavrilova, Daria | | Hon, Priscilla | | Kyrgios, Nick | | Millman, John | | Popyrin, Alexei | | Stosur, Samantha | | Thompson, Jordan | | Tomljanovic, Ajla |
| | | Hviderusland (5) |
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| Azarenka, Victoria | | Ivashka, Ilya | | Lapko, Vera | | Sabalenka, Aryna | | Sasnovich, Aliaksandra |
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| Belgien (5) |
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| Bonaventure, Ysaline | | Flipkens, Kirsten | | Goffin, David | | Mertens, Elise | | Uytvanck, Alison Van |
| | Bosnien og Herzegovina (1) |
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| Dzumhur, Damir |
| | Bulgarien (1) |
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| Dimitrov, Grigor |
| | Canada (5) |
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| Andreescu, Bianca | | Auger-Aliassime, Felix | | Bouchard, Eugenie | | Raonic, Milos | | Shapovalov, Denis |
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| | Kina (5) |
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| Wang, Qiang | | Wang, Yafan | | Zhang, Shuai | | Zheng, Saisai | | Zhu, Lin |
| | Kroatien (5) |
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| Cilic, Marin | | Coric, Borna | | Karlovic, Ivo | | Martic, Petra | | Vekic, Donna |
| | Tjekkiet (6) |
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| Berdych, Tomas | | Kvitova, Petra | | Pliskova, Karolina | | Siniakova, Katerina | | Strycova, Barbora | | Vondrousova, Marketa |
|
| Danmark (1) |
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| Wozniacki, Caroline |
| | Estland (2) |
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| Kanepi, Kaia | | Kontaveit, Anett |
| | Frankrig (12) |
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| Chardy, Jeremy | | Cornet, Alizé | | Garcia, Caroline | | Herbert, Pierre-Hugues | | Humbert, Ugo | | Mannarino, Adrian | | Mladenovic, Kristina | | Monfils, Gael | | Paire, Benoit | | Parmentier, Pauline | | Pouille, Lucas | | Simon, Gilles |
| | Georgien (1) |
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| Basilashvili, Nikoloz |
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| Tyskland (12) |
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| Barthel, Mona | | Goerges, Julia | | Gojowczyk, Peter | | Kerber, Angelique | | Kohlschreiber, Philipp | | Maria, Tatjana | | Marterer, Maximilian | | Petkovic, Andrea | | Siegemund, Laura | | Struff, Jan-Lennard | | Zverev, Alexander | | Zverev, Mischa |
| | Grækenland (2) |
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| Sakkari, Maria | | Tsitsipas, Stefano |
| | Ungarn (2) |
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| Babos, Timea | | Fucsovics, Marton |
| | Indien (1) |
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| Gunneswaran, Prajnesh |
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| Italien (4) |
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| Berrettini, Matteo | | Cecchinato, Marco | | Fognini, Fabio | | Seppi, Andreas |
| | Japan (7) |
|---|
| Daniel, Taro | | Doi, Misaki | | Hibino, Nao | | Ito, Tatsuma | | Nishikori, Kei | | Nishioka, Yoshihito | | Osaka, Naomi |
| | Kasakhstan (3) |
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| Diyas, Zarina | | Kukushkin, Mikhail | | Putintseva, Yulia |
| | Letland (3) |
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| Gulbis, Ernests | | Ostapenko, Jelena | | Sevastova, Anastasija |
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| Litauen (1) |
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| Berankis, Ricardas |
| | | Holland (2) |
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| Bertens, Kiki | | Haase, Robin |
| | Polen (2) |
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| Hurkacz, Hubert | | Linette, Magda |
|
| | Puerto Rico (1) |
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| Puig, Monica |
| | Rumænien (4) |
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| Begu, Irina-Camelia | | Buzarnescu, Mihaela | | Copil, Marius | | Halep, Simona |
| | Rusland (8) |
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| Alexandrova, Ekaterina | | Kasatkina, Daria | | Khachanov, Karen | | Medvedev, Daniil | | Pavlyuchenkova, Anastasia | | Rodina, Evgeniya | | Rublev, Andrey | | Vikhlyantseva, Natalia |
|
| Serbien (6) |
|---|
| Djere, Laslo | | Djokovic, Novak | | Kecmanovic, Miomir | | Krajinovic, Filip | | Krunic, Aleksandra | | Lajovic, Dusan |
| | Slovakiet (5) |
|---|
| Cibulkova, Dominika | | Klizan, Martin | | Kuzmova, Viktoria | | Rybarikova, Magdalena | | Schmiedlova, Anna Karolina |
| | Sydafrika (1) |
|---|
| Anderson, Kevin |
| | Spanien (9) |
|---|
| Bautista Agut, Roberto | | Carballes Baena, Roberto | | Carreno Busta, Pablo | | Lopez, Feliciano | | Muguruza, Garbiñe | | Munar, Jaume | | Nadal, Rafael | | Ramos-Vinolas, Albert | | Suárez Navarro, Carla |
|
| Sverige (3) |
|---|
| Larsson, Johanna | | Peterson, Rebecca | | Ymer, Elias |
| | Schweizisk (5) |
|---|
| Bencic, Belinda | | Federer, Roger | | Golubic, Viktorija | | Voegele, Stefanie | | Wawrinka, Stan |
| | | Tunesien (2) |
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| Jabeur, Ons | | Jaziri, Malek |
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| Ukraine (4) |
|---|
| Kozlova, Kateryna | | Svitolina, Elina | | Tsurenko, Lesia | | Yastremska, Dayana |
| | Storbritannien (4) |
|---|
| Edmund, Kyle | | Evans, Daniel | | Konta, Johanna | | Norrie, Cameron |
| | USA (32) |
|---|
| Anisimova, Amanda | | Brady, Jennifer | | Brengle, Madison | | Collins, Danielle | | Davis, Lauren | | Donaldson, Jared | | Fratangelo, Bjorn | | Fritz, Taylor | | Giron, Marcos | | Harrison, Ryan | | Isner, John | | Johnson, Steve | | Kenin, Sofia | | Keys, Madison | | Klahn, Bradley | | Kudla, Denis | | McDonald, Mackenzie | | McHale, Christina | | McNally, Caty | | Opelka, Reilly | | Pegula, Jessica | | Pera, Bernarda | | Querrey, Sam | | Riske, Alison | | Sandgren, Tennys | | Stephens, Sloane | | Tiafoe, Frances | | Townsend, Taylor | | Vickery, Sachia | | Williams, Serena | | Williams, Venus | | Young, Donald |
| | Usbekistan (1) |
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| Istomin, Denis |
|