| Argentinië (7) |
|---|
| Berlocq, Carlos | | Del Potro, Juan Martin | | Kicker, Nicolas | | Mayer, Leonardo | | Pella, Guido | | Schwartzman, Diego | | Zeballos, Horacio |
| | Australië (11) |
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| Barty, Ashleigh | | De Minaur, Alex | | Gavrilova, Daria | | Kokkinakis, Thanasi | | Kyrgios, Nick | | Millman, John | | Rodionova, Arina | | Smith, John-Patrick | | Thompson, Jordan | | Tomic, Bernard | | Tomljanovic, Ajla |
| | Oostenrijk (2) |
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| Haider-Maurer, Andreas | | Thiem, Dominic |
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| Wit-Rusland (1) |
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| Sasnovich, Aliaksandra |
| | België (7) |
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| Bemelmans, Ruben | | Darcis, Steve | | Flipkens, Kirsten | | Goffin, David | | Mertens, Elise | | Uytvanck, Alison Van | | Wickmayer, Yanina |
| | Bosnië-Herzegovina (1) |
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| Dzumhur, Damir |
| | Brazilië (4) |
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| Bellucci, Thomaz | | Dutra Silva, Rogerio | | Haddad Maia, Beatriz | | Monteiro, Thiago |
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| Bulgarije (1) |
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| Dimitrov, Grigor |
| | Canada (3) |
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| Bouchard, Eugenie | | Pospisil, Vasek | | Shapovalov, Denis |
| | China (5) |
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| Duan, Ying-Ying | | Peng, Shuai | | Wang, Qiang | | Zhang, Shuai | | Zheng, Saisai |
| | Colombia (1) |
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| Giraldo, Santiago |
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| Kroatië (7) |
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| Cilic, Marin | | Coric, Borna | | Karlovic, Ivo | | Konjuh, Ana | | Lucic-Baroni, Mirjana | | Martic, Petra | | Vekic, Donna |
| | Cyprus (1) |
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| Baghdatis, Marcos |
| | Tsjechië (12) |
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| Allertova, Denisa | | Berdych, Tomas | | Kvitova, Petra | | Martincova, Tereza | | Pliskova, Karolina | | Pliskova, Kristyna | | Safarova, Lucie | | Safranek, Vaclav | | Siniakova, Katerina | | Strycova, Barbora | | Vesely, Jiri | | Vondrousova, Marketa |
| | Denemarken (1) |
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| Wozniacki, Caroline |
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| Estland (2) |
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| Kanepi, Kaia | | Kontaveit, Anett |
| | Frankrijk (19) |
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| Benneteau, Julien | | Blancaneaux, Geoffrey | | Chardy, Jeremy | | Cornet, Alizé | | Dodin, Oceane | | Garcia, Caroline | | Gasquet, Richard | | Herbert, Pierre-Hugues | | Hesse, Amandine | | Mahut, Nicolas | | Mannarino, Adrian | | Millot, Vincent | | Mladenovic, Kristina | | Monfils, Gael | | Paire, Benoit | | Parmentier, Pauline | | Pouille, Lucas | | Simon, Gilles | | Tsonga, Jo-Wilfried |
| | Georgië (1) |
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| Basilashvili, Nikoloz |
| | Duitsland (17) |
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| Barthel, Mona | | Beck, Annika | | Brown, Dustin | | Goerges, Julia | | Kerber, Angelique | | Kohlschreiber, Philipp | | Lisicki, Sabine | | Maria, Tatjana | | Marterer, Maximilian | | Mayer, Florian | | Petkovic, Andrea | | Stebe, Cedrik-Marcel | | Struff, Jan-Lennard | | Witthoeft, Carina | | Zaja, Anna | | Zverev, Alexander | | Zverev, Mischa |
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| Griekenland (1) |
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| Sakkari, Maria |
| | Hongarije (2) |
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| Babos, Timea | | Fucsovics, Marton |
| | | Italië (9) |
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| Fabbiano, Thomas | | Fognini, Fabio | | Giannessi, Alessandro | | Giorgi, Camila | | Lorenzi, Paolo | | Schiavone, Francesca | | Seppi, Andreas | | Travaglia, Stefano | | Vinci, Roberta |
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| Japan (8) |
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| Daniel, Taro | | Doi, Misaki | | Eguchi, Misa | | Hibino, Nao | | Nara, Kurumi | | Osaka, Naomi | | Ozaki, Risa | | Sugita, Yuichi |
| | Kazachstan (2) |
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| Kukushkin, Mikhail | | Putintseva, Yulia |
| | Letland (3) |
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| Gulbis, Ernests | | Ostapenko, Jelena | | Sevastova, Anastasija |
| | Litouwen (1) |
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| Berankis, Ricardas |
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| Luxemburg (1) |
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| Muller, Gilles |
| | Mexico (1) |
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| Escobedo, Ernesto |
| | | Nederland (4) |
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| Bertens, Kiki | | Haase, Robin | | Hogenkamp, Richel | | Kerkhove, Lesley |
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| Paraguay (1) |
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| Cepede Royg, Veronica |
| | Polen (2) |
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| Linette, Magda | | Radwanska, Agnieszka |
| | | Puerto Rico (1) |
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| Puig, Monica |
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| Roemenië (7) |
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| Begu, Irina-Camelia | | Bogdan, Ana | | Buzarnescu, Mihaela | | Cirstea, Sorana | | Copil, Marius | | Halep, Simona | | Niculescu, Monica |
| | Rusland (18) |
|---|
| Alexandrova, Ekaterina | | Blinkova, Anna | | Donskoy, Evgeny | | Kasatkina, Daria | | Khachanov, Karen | | Kuznetsov, Andrey | | Kuznetsova, Svetlana | | Makarova, Ekaterina | | Medvedev, Daniil | | Pavlyuchenkova, Anastasia | | Rodina, Evgeniya | | Rublev, Andrey | | Sharapova, Maria | | Tursunov, Dmitry | | Vesnina, Elena | | Vikhlyantseva, Natalia | | Youzhny, Mikhail | | Zhuk, Sofya |
| | Servië (5) |
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| Jankovic, Jelena | | Krunic, Aleksandra | | Lajovic, Dusan | | Tipsarevic, Janko | | Troicki, Viktor |
| | Slowakije (6) |
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| Cepelova, Jana | | Cibulkova, Dominika | | Gombos, Norbert | | Kuzmova, Viktoria | | Lacko, Lukas | | Rybarikova, Magdalena |
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| Slovenië (2) |
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| Bedene, Aljaz | | Kavcic, Blaz |
| | Zuid-Afrika (1) |
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| Anderson, Kevin |
| | Zuid-Korea (1) |
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| Chung, Hyeon |
| | Spanje (13) |
|---|
| Almagro, Nicolas | | Arruabarrena, Lara | | Bautista Agut, Roberto | | Carreno Busta, Pablo | | Ferrer, David | | Lopez, Feliciano | | Menendez-Maceiras, Adrian | | Muguruza, Garbiñe | | Nadal, Rafael | | Ramos-Vinolas, Albert | | Sorribes Tormo, Sara | | Suárez Navarro, Carla | | Verdasco, Fernando |
|
| Zweden (2) |
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| Larsson, Johanna | | Peterson, Rebecca |
| | Zwitserland (3) |
|---|
| Federer, Roger | | Golubic, Viktorija | | Laaksonen, Henri |
| | | Tunesië (2) |
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| Jabeur, Ons | | Jaziri, Malek |
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| | Oekraïne (4) |
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| Dolgopolov, Alexandr | | Kozlova, Kateryna | | Svitolina, Elina | | Tsurenko, Lesia |
| | Verenigd Koninkrijk (4) |
|---|
| Edmund, Kyle | | Konta, Johanna | | Norrie, Cameron | | Watson, Heather |
| | Verenigde Staten (41) |
|---|
| Aragone, JC | | Bellis, CiCi | | Boserup, Julia | | Brady, Jennifer | | Brengle, Madison | | Davis, Lauren | | Day, Kayla | | Donaldson, Jared | | Eubanks, Christopher | | Fratangelo, Bjorn | | Fritz, Taylor | | Gibbs, Nicole | | Harrison, Ryan | | Isner, John | | Johnson, Steve | | Kenin, Sofia | | Keys, Madison | | Kiick, Allie | | King, Evan | | Kratzer, Ashley | | Kwiatkowski, Thai-Son | | Kypson, Patrick | | Lao, Danielle | | Lepchenko, Varvara | | Liu, Claire | | McHale, Christina | | Minor, Brienne | | Paul, Tommy | | Querrey, Sam | | Riske, Alison | | Rogers, Shelby | | Sandgren, Tennys | | Smyczek, Tim | | Sock, Jack | | Stephens, Sloane | | Tiafoe, Frances | | Townsend, Taylor | | Vandeweghe, Coco | | Vickery, Sachia | | Williams, Venus | | Young, Donald |
|
| | Oezbekistan (1) |
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| Istomin, Denis |
|