| Argentina (7) |
|---|
| Andreozzi, Guido | | Del Potro, Juan Martin | | Delbonis, Federico | | Mayer, Leonardo | | Pella, Guido | | Schwartzman, Diego | | Zeballos, Horacio |
| | Austrália (14) |
|---|
| Barty, Ashleigh | | Bolt, Alex | | De Minaur, Alex | | Duckworth, James | | Ebden, Matthew | | Gavrilova, Daria | | Kubler, Jason | | Kyrgios, Nick | | Millman, John | | Smith, John-Patrick | | Stosur, Samantha | | Thompson, Jordan | | Tomic, Bernard | | Tomljanovic, Ajla |
| | Áustria (2) |
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| Novak, Dennis | | Thiem, Dominic |
| | Bielorrússia (4) |
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| Azarenka, Victoria | | Lapko, Vera | | Sabalenka, Aryna | | Sasnovich, Aliaksandra |
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| Bélgica (6) |
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| Bemelmans, Ruben | | Flipkens, Kirsten | | Goffin, David | | Mertens, Elise | | Uytvanck, Alison Van | | Wickmayer, Yanina |
| | Bósnia Herzegovina (2) |
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| Basic, Mirza | | Dzumhur, Damir |
| | Bulgária (2) |
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| Dimitrov, Grigor | | Tomova, Viktoriya |
| | Canadá (5) |
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| Bouchard, Eugenie | | Polansky, Peter | | Pospisil, Vasek | | Raonic, Milos | | Shapovalov, Denis |
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| Chile (2) |
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| Garin, Christian | | Jarry, Nicolas |
| | China (5) |
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| Peng, Shuai | | Wang, Qiang | | Wang, Yafan | | Zhang, Shuai | | Zheng, Saisai |
| | Colômbia (1) |
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| Duque-Mariño, Mariana |
| | Croácia (7) |
|---|
| Cilic, Marin | | Coric, Borna | | Fett, Jana | | Karlovic, Ivo | | Konjuh, Ana | | Martic, Petra | | Vekic, Donna |
|
| Chipre (1) |
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| Baghdatis, Marcos |
| | República Checa (11) |
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| Allertova, Denisa | | Kvitova, Petra | | Pliskova, Karolina | | Pliskova, Kristyna | | Safarova, Lucie | | Siniakova, Katerina | | Smitkova, Tereza | | Stefkova, Barbora | | Strycova, Barbora | | Vesely, Jiri | | Vondrousova, Marketa |
| | Dinamarca (1) |
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| Wozniacki, Caroline |
| | Estónia (2) |
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| Kanepi, Kaia | | Kontaveit, Anett |
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| França (16) |
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| Barrere, Gregoire | | Benneteau, Julien | | Bonzi, Benjamin | | Chardy, Jeremy | | Cornet, Alizé | | Garcia, Caroline | | Gasquet, Richard | | Herbert, Pierre-Hugues | | Mannarino, Adrian | | Mladenovic, Kristina | | Monfils, Gael | | Paire, Benoit | | Parmentier, Pauline | | Pouille, Lucas | | Robert, Stephane | | Simon, Gilles |
| | Geórgia (1) |
|---|
| Basilashvili, Nikoloz |
| | Alemanha (15) |
|---|
| Barthel, Mona | | Goerges, Julia | | Gojowczyk, Peter | | Kerber, Angelique | | Kohlschreiber, Philipp | | Lottner, Antonia | | Maden, Yannick | | Maria, Tatjana | | Marterer, Maximilian | | Mayer, Florian | | Petkovic, Andrea | | Struff, Jan-Lennard | | Witthoeft, Carina | | Zverev, Alexander | | Zverev, Mischa |
| | Grécia (2) |
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| Sakkari, Maria | | Tsitsipas, Stefano |
|
| Hungria (2) |
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| Babos, Timea | | Fucsovics, Marton |
| | | | Itália (10) |
|---|
| Berrettini, Matteo | | Bolelli, Simone | | Cecchinato, Marco | | Fabbiano, Thomas | | Fognini, Fabio | | Giorgi, Camila | | Lorenzi, Paolo | | Seppi, Andreas | | Sonego, Lorenzo | | Travaglia, Stefano |
|
| Japão (6) |
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| Daniel, Taro | | Nara, Kurumi | | Nishikori, Kei | | Nishioka, Yoshihito | | Osaka, Naomi | | Sugita, Yuichi |
| | Cazaquistão (3) |
|---|
| Diyas, Zarina | | Kukushkin, Mikhail | | Putintseva, Yulia |
| | Letónia (3) |
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| Gulbis, Ernests | | Ostapenko, Jelena | | Sevastova, Anastasija |
| | Lituânia (1) |
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| Berankis, Ricardas |
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| Luxemburgo (1) |
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| Muller, Gilles |
| | | Holanda (3) |
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| Bertens, Kiki | | Haase, Robin | | Rus, Arantxa |
| | Paraguai (1) |
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| Cepede Royg, Veronica |
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| Polónia (3) |
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| Hurkacz, Hubert | | Linette, Magda | | Radwanska, Agnieszka |
| | Portugal (2) |
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| Elias, Gastao | | Sousa, Joao |
| | Porto Rico (1) |
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| Puig, Monica |
| | Roménia (9) |
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| Begu, Irina-Camelia | | Bogdan, Ana | | Buzarnescu, Mihaela | | Cirstea, Sorana | | Copil, Marius | | Dulgheru, Alexandra | | Halep, Simona | | Niculescu, Monica | | Ruse, Elena-Gabriela |
|
| Rússia (15) |
|---|
| Alexandrova, Ekaterina | | Blinkova, Anna | | Diatchenko, Vitalia | | Donskoy, Evgeny | | Kasatkina, Daria | | Khachanov, Karen | | Kuznetsova, Svetlana | | Makarova, Ekaterina | | Medvedev, Daniil | | Pavlyuchenkova, Anastasia | | Rodina, Evgeniya | | Sharapova, Maria | | Vikhlyantseva, Natalia | | Youzhny, Mikhail | | Zvonareva, Vera |
| | Sérvia (5) |
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| Djere, Laslo | | Djokovic, Novak | | Krajinovic, Filip | | Krunic, Aleksandra | | Lajovic, Dusan |
| | Eslováquia (6) |
|---|
| Cibulkova, Dominika | | Gombos, Norbert | | Kuzmova, Viktoria | | Lacko, Lukas | | Rybarikova, Magdalena | | Schmiedlova, Anna Karolina |
| | Eslovénia (2) |
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| Bedene, Aljaz | | Hercog, Polona |
|
| África do Sul (1) |
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| Anderson, Kevin |
| | Espanha (12) |
|---|
| Arruabarrena, Lara | | Carballes Baena, Roberto | | Carreno Busta, Pablo | | Ferrer, David | | Garcia-Lopez, Guillermo | | Lopez, Feliciano | | Muguruza, Garbiñe | | Nadal, Rafael | | Ramos-Vinolas, Albert | | Sorribes Tormo, Sara | | Suárez Navarro, Carla | | Verdasco, Fernando |
| | Suécia (2) |
|---|
| Larsson, Johanna | | Peterson, Rebecca |
| | Suíça (5) |
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| Bencic, Belinda | | Federer, Roger | | Golubic, Viktorija | | Voegele, Stefanie | | Wawrinka, Stan |
|
| Taiwan (2) |
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| Hsieh, Su-Wei | | Jung, Jason |
| | Tailândia (1) |
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| Kumkhum, Luksika |
| | Tunísia (2) |
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| Jabeur, Ons | | Jaziri, Malek |
| | Ucrânia (5) |
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| Bondarenko, Kateryna | | Kozlova, Kateryna | | Stakhovsky, Sergiy | | Svitolina, Elina | | Tsurenko, Lesia |
|
| Reino Unido (12) |
|---|
| Boulter, Katie | | Broady, Liam | | Broady, Naomi | | Clarke, Jay | | Dart, Harriet | | Dunne, Katy | | Edmund, Kyle | | Konta, Johanna | | Norrie, Cameron | | Swan, Katie | | Taylor, Gabriella | | Watson, Heather |
| | Estados Unidos (31) |
|---|
| Brady, Jennifer | | Brengle, Madison | | Collins, Danielle | | Dolehide, Caroline | | Donaldson, Jared | | Fritz, Taylor | | Harrison, Christian | | Harrison, Ryan | | Isner, John | | Johnson, Steve | | Kenin, Sofia | | Keys, Madison | | Klahn, Bradley | | Kudla, Denis | | Lepchenko, Varvara | | Liu, Claire | | McDonald, Mackenzie | | McHale, Christina | | Mmoh, Michael | | Pera, Bernarda | | Querrey, Sam | | Riske, Alison | | Sandgren, Tennys | | Sock, Jack | | Stephens, Sloane | | Tiafoe, Frances | | Townsend, Taylor | | Vandeweghe, Coco | | Vickery, Sachia | | Williams, Serena | | Williams, Venus |
| | | Uzbequistão (1) |
|---|
| Istomin, Denis |
|