| Argentina (7) |
|---|
| Del Potro, Juan Martin | | Delbonis, Federico | | Kicker, Nicolas | | Mayer, Leonardo | | Pella, Guido | | Schwartzman, Diego | | Zeballos, Horacio |
| | Australia (18) |
|---|
| Aiava, Destanee | | Barty, Ashleigh | | Bolt, Alex | | Cabrera, Lizette | | De Minaur, Alex | | Ebden, Matthew | | Fourlis, Jaimee | | Gavrilova, Daria | | Kasatkina, Daria | | Kokkinakis, Thanasi | | Kubler, Jason | | Kyrgios, Nick | | Millman, John | | Popyrin, Alexei | | Rogowska, Olivia | | Stosur, Samantha | | Thompson, Jordan | | Tomljanovic, Ajla |
| | Austria (4) |
|---|
| Haider-Maurer, Andreas | | Melzer, Gerald | | Novak, Dennis | | Thiem, Dominic |
| | Belarus (2) |
|---|
| Sabalenka, Aryna | | Sasnovich, Aliaksandra |
|
| Belgium (5) |
|---|
| Bemelmans, Ruben | | Flipkens, Kirsten | | Goffin, David | | Mertens, Elise | | Uytvanck, Alison Van |
| | Bosnia and Herzegovina (1) |
|---|
| Dzumhur, Damir |
| | Brasil (2) |
|---|
| Dutra Silva, Rogerio | | Haddad Maia, Beatriz |
| | Bulgaria (2) |
|---|
| Dimitrov, Grigor | | Tomova, Viktoriya |
|
| Canada (5) |
|---|
| Bouchard, Eugenie | | Polansky, Peter | | Pospisil, Vasek | | Raonic, Milos | | Shapovalov, Denis |
| | | China (6) |
|---|
| Duan, Ying-Ying | | Peng, Shuai | | Wang, Qiang | | Wang, Xinyu | | Zhang, Shuai | | Zhu, Lin |
| | Colombia (1) |
|---|
| Duque-Mariño, Mariana |
|
| Croatia (7) |
|---|
| Cilic, Marin | | Coric, Borna | | Fett, Jana | | Karlovic, Ivo | | Lucic-Baroni, Mirjana | | Martic, Petra | | Vekic, Donna |
| | Cyprus (1) |
|---|
| Baghdatis, Marcos |
| | Czech Republic (11) |
|---|
| Allertova, Denisa | | Berdych, Tomas | | Kvitova, Petra | | Pliskova, Karolina | | Pliskova, Kristyna | | Safarova, Lucie | | Safranek, Vaclav | | Siniakova, Katerina | | Strycova, Barbora | | Vesely, Jiri | | Vondrousova, Marketa |
| | Denmark (1) |
|---|
| Wozniacki, Caroline |
|
| Dominican Republic (1) |
|---|
| Estrella Burgos, Victor |
| | Estonia (2) |
|---|
| Kanepi, Kaia | | Kontaveit, Anett |
| | France (18) |
|---|
| Benneteau, Julien | | Chardy, Jeremy | | Cornet, Alizé | | Dodin, Oceane | | Garcia, Caroline | | Gasquet, Richard | | Halys, Quentin | | Herbert, Pierre-Hugues | | Mannarino, Adrian | | Mladenovic, Kristina | | Monfils, Gael | | Moutet, Corentin | | Paire, Benoit | | Parmentier, Pauline | | Ponchet, Jessika | | Pouille, Lucas | | Simon, Gilles | | Tsonga, Jo-Wilfried |
| | Georgia (1) |
|---|
| Basilashvili, Nikoloz |
|
| Germany (17) |
|---|
| Bachinger, Matthias | | Barthel, Mona | | Brown, Dustin | | Friedsam, Anna-Lena | | Goerges, Julia | | Gojowczyk, Peter | | Kerber, Angelique | | Kohlschreiber, Philipp | | Maria, Tatjana | | Marterer, Maximilian | | Mayer, Florian | | Petkovic, Andrea | | Stebe, Cedrik-Marcel | | Struff, Jan-Lennard | | Witthoeft, Carina | | Zverev, Alexander | | Zverev, Mischa |
| | Greece (2) |
|---|
| Sakkari, Maria | | Tsitsipas, Stefano |
| | Hungary (2) |
|---|
| Babos, Timea | | Fucsovics, Marton |
| |
| | Italy (9) |
|---|
| Berrettini, Matteo | | Caruso, Salvatore | | Fabbiano, Thomas | | Fognini, Fabio | | Giorgi, Camila | | Lorenzi, Paolo | | Schiavone, Francesca | | Seppi, Andreas | | Sonego, Lorenzo |
| | Japan (7) |
|---|
| Daniel, Taro | | Eguchi, Misa | | Hibino, Nao | | Nara, Kurumi | | Nishioka, Yoshihito | | Osaka, Naomi | | Sugita, Yuichi |
| | Kazakhstan (3) |
|---|
| Diyas, Zarina | | Kukushkin, Mikhail | | Putintseva, Yulia |
|
| Latvia (2) |
|---|
| Ostapenko, Jelena | | Sevastova, Anastasija |
| | Lithuania (1) |
|---|
| Berankis, Ricardas |
| | Luxembourg (1) |
|---|
| Muller, Gilles |
| |
| Netherlands (3) |
|---|
| Bertens, Kiki | | Haase, Robin | | Hogenkamp, Richel |
| | | Paraguay (1) |
|---|
| Cepede Royg, Veronica |
| | Poland (3) |
|---|
| Frech, Magdalena | | Linette, Magda | | Radwanska, Agnieszka |
|
| | Puerto Rico (1) |
|---|
| Puig, Monica |
| | Romania (7) |
|---|
| Begu, Irina-Camelia | | Bogdan, Ana | | Buzarnescu, Mihaela | | Cirstea, Sorana | | Copil, Marius | | Halep, Simona | | Niculescu, Monica |
| | Russia (14) |
|---|
| Alexandrova, Ekaterina | | Blinkova, Anna | | Donskoy, Evgeny | | Gasparyan, Margarita | | Kalinskaya, Anna | | Khachanov, Karen | | Makarova, Ekaterina | | Medvedev, Daniil | | Pavlyuchenkova, Anastasia | | Rublev, Andrey | | Sharapova, Maria | | Vesnina, Elena | | Vikhlyantseva, Natalia | | Youzhny, Mikhail |
|
| Serbia (6) |
|---|
| Djere, Laslo | | Djokovic, Novak | | Jorovic, Ivana | | Krunic, Aleksandra | | Lajovic, Dusan | | Troicki, Viktor |
| | Slovakia (7) |
|---|
| Cepelova, Jana | | Cibulkova, Dominika | | Kucova, Kristina | | Kuzmova, Viktoria | | Lacko, Lukas | | Rybarikova, Magdalena | | Schmiedlova, Anna Karolina |
| | Slovenia (3) |
|---|
| Bedene, Aljaz | | Hercog, Polona | | Kavcic, Blaz |
| | South Africa (1) |
|---|
| Anderson, Kevin |
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| South Korea (2) |
|---|
| Chung, Hyeon | | Kwon, Soonwo |
| | Spain (12) |
|---|
| Arruabarrena, Lara | | Bautista Agut, Roberto | | Carreno Busta, Pablo | | Ferrer, David | | Garcia-Lopez, Guillermo | | Lopez, Feliciano | | Muguruza, Garbiñe | | Munar, Jaume | | Nadal, Rafael | | Ramos-Vinolas, Albert | | Suárez Navarro, Carla | | Verdasco, Fernando |
| | Sweden (2) |
|---|
| Larsson, Johanna | | Ymer, Elias |
| | Swiss (4) |
|---|
| Bencic, Belinda | | Federer, Roger | | Golubic, Viktorija | | Wawrinka, Stan |
|
| | Thailand (1) |
|---|
| Kumkhum, Luksika |
| | Tunisia (2) |
|---|
| Jabeur, Ons | | Jaziri, Malek |
| | Ukraine (6) |
|---|
| Bondarenko, Kateryna | | Dolgopolov, Alexandr | | Kostyuk, Marta | | Kozlova, Kateryna | | Svitolina, Elina | | Tsurenko, Lesia |
|
| United Kingdom (3) |
|---|
| Edmund, Kyle | | Konta, Johanna | | Watson, Heather |
| | United States (31) |
|---|
| Ahn, Kristie | | Bellis, CiCi | | Brady, Jennifer | | Brengle, Madison | | Davis, Lauren | | Donaldson, Jared | | Falconi, Irina | | Gibbs, Nicole | | Harrison, Ryan | | Isner, John | | Johnson, Steve | | Kenin, Sofia | | Keys, Madison | | King, Kevin | | Kudla, Denis | | Lepchenko, Varvara | | McDonald, Mackenzie | | McHale, Christina | | Pera, Bernarda | | Querrey, Sam | | Riske, Alison | | Rogers, Shelby | | Sandgren, Tennys | | Smyczek, Tim | | Sock, Jack | | Stephens, Sloane | | Tiafoe, Frances | | Townsend, Taylor | | Vandeweghe, Coco | | Williams, Venus | | Young, Donald |
| | | Uzbekistan (1) |
|---|
| Istomin, Denis |
|