| Argentina (10) |
|---|
| Andreozzi, Guido | | Bagnis, Facundo | | Berlocq, Carlos | | Del Potro, Juan Martin | | Delbonis, Federico | | Monaco, Juan | | Pella, Guido | | Podoroska, Nadia | | Schwartzman, Diego | | Zeballos, Horacio |
| | Australia (8) |
|---|
| Duckworth, James | | Gavrilova, Daria | | Kyrgios, Nick | | Millman, John | | Perez, Ellen | | Stosur, Samantha | | Thompson, Jordan | | Tomic, Bernard |
| | Austria (2) |
|---|
| Haas, Barbara | | Thiem, Dominic |
| | Bielorussia (2) |
|---|
| Ivashka, Ilya | | Sasnovich, Aliaksandra |
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| Belgio (6) |
|---|
| Darcis, Steve | | Flipkens, Kirsten | | Goffin, David | | Mertens, Elise | | Uytvanck, Alison Van | | Wickmayer, Yanina |
| | Bosnia-Erzegovina (1) |
|---|
| Dzumhur, Damir |
| | Brasile (4) |
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| Bellucci, Thomaz | | Clezar, Guilherme | | Dutra Silva, Rogerio | | Pereira, Teliana |
| | Bulgaria (2) |
|---|
| Dimitrov, Grigor | | Pironkova, Tsvetana |
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| Canada (3) |
|---|
| Bouchard, Eugenie | | Pospisil, Vasek | | Raonic, Milos |
| | Cina (6) |
|---|
| Duan, Ying-Ying | | Peng, Shuai | | Wang, Qiang | | Wang, Yafan | | Zhang, Shuai | | Zheng, Saisai |
| | Colombia (1) |
|---|
| Duque-Mariño, Mariana |
| | Croazia (6) |
|---|
| Cilic, Marin | | Coric, Borna | | Dodig, Ivan | | Karlovic, Ivo | | Konjuh, Ana | | Lucic-Baroni, Mirjana |
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| Cipro (1) |
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| Baghdatis, Marcos |
| | Repubblica Ceca (10) |
|---|
| Allertova, Denisa | | Kvitova, Petra | | Pliskova, Karolina | | Rosol, Lukas | | Safarova, Lucie | | Satral, Jan | | Siniakova, Katerina | | Stepanek, Radek | | Strycova, Barbora | | Vesely, Jiri |
| | Danimarca (1) |
|---|
| Wozniacki, Caroline |
| | Repubblica Dominicana (1) |
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| Estrella Burgos, Victor |
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| Estonia (1) |
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| Kontaveit, Anett |
| | Francia (18) |
|---|
| Benneteau, Julien | | Chardy, Jeremy | | Cornet, Alizé | | Garcia, Caroline | | Gasquet, Richard | | Herbert, Pierre-Hugues | | Mahut, Nicolas | | Mannarino, Adrian | | Mathieu, Paul-Henri | | Mladenovic, Kristina | | Monfils, Gael | | Paire, Benoit | | Parmentier, Pauline | | Pouille, Lucas | | Razzano, Virginie | | Robert, Stephane | | Simon, Gilles | | Tsonga, Jo-Wilfried |
| | Germania (18) |
|---|
| Barthel, Mona | | Beck, Annika | | Becker, Benjamin | | Brands, Daniel | | Brown, Dustin | | Friedsam, Anna-Lena | | Goerges, Julia | | Kerber, Angelique | | Kohlschreiber, Philipp | | Lisicki, Sabine | | Lottner, Antonia | | Mayer, Florian | | Petkovic, Andrea | | Siegemund, Laura | | Struff, Jan-Lennard | | Witthoeft, Carina | | Zverev, Alexander | | Zverev, Mischa |
| |
| Ungheria (2) |
|---|
| Babos, Timea | | Fucsovics, Marton |
| | | | Italia (10) |
|---|
| Errani, Sara | | Fabbiano, Thomas | | Fognini, Fabio | | Giannessi, Alessandro | | Giorgi, Camila | | Knapp, Karin | | Lorenzi, Paolo | | Schiavone, Francesca | | Seppi, Andreas | | Vinci, Roberta |
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| Giappone (6) |
|---|
| Doi, Misaki | | Hibino, Nao | | Nara, Kurumi | | Nishikori, Kei | | Nishioka, Yoshihito | | Osaka, Naomi |
| | Kazakistan (3) |
|---|
| Kukushkin, Mikhail | | Putintseva, Yulia | | Shvedova, Yaroslava |
| | Lettonia (2) |
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| Ostapenko, Jelena | | Sevastova, Anastasija |
| | Lituania (1) |
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| Berankis, Ricardas |
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| Lussemburgo (2) |
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| Minella, Mandy | | Muller, Gilles |
| | Messico (1) |
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| Escobedo, Ernesto |
| | | Montenegro (1) |
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| Kovinic, Danka |
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| Olanda (3) |
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| Bertens, Kiki | | Haase, Robin | | Hogenkamp, Richel |
| | Paraguay (1) |
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| Gonzalez, Montserrat |
| | Polonia (3) |
|---|
| Janowicz, Jerzy | | Linette, Magda | | Radwanska, Agnieszka |
| | Portogallo (2) |
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| Elias, Gastao | | Sousa, Joao |
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| Porto Rico (1) |
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| Puig, Monica |
| | Romania (6) |
|---|
| Begu, Irina-Camelia | | Bogdan, Ana | | Cirstea, Sorana | | Halep, Simona | | Niculescu, Monica | | Tig, Patricia Maria |
| | Russia (12) |
|---|
| Diatchenko, Vitalia | | Donskoy, Evgeny | | Gabashvili, Teymuraz | | Kasatkina, Daria | | Khachanov, Karen | | Kuznetsov, Andrey | | Kuznetsova, Svetlana | | Makarova, Ekaterina | | Pavlyuchenkova, Anastasia | | Rodina, Evgeniya | | Vesnina, Elena | | Youzhny, Mikhail |
| | Serbia (7) |
|---|
| Djokovic, Novak | | Ivanovic, Ana | | Jankovic, Jelena | | Krunic, Aleksandra | | Lajovic, Dusan | | Tipsarevic, Janko | | Troicki, Viktor |
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| Slovacchia (6) |
|---|
| Cibulkova, Dominika | | Klizan, Martin | | Kovalik, Jozef | | Kucova, Kristina | | Lacko, Lukas | | Schmiedlova, Anna Karolina |
| | Slovenia (2) |
|---|
| Bedene, Aljaz | | Hercog, Polona |
| | Sud Africa (1) |
|---|
| Anderson, Kevin |
| | Spagna (14) |
|---|
| Almagro, Nicolas | | Arruabarrena, Lara | | Bautista Agut, Roberto | | Carreno Busta, Pablo | | Cervantes, Inigo | | Ferrer, David | | Garcia-Lopez, Guillermo | | Granollers, Marcel | | Lopez, Feliciano | | Muguruza, Garbiñe | | Nadal, Rafael | | Ramos-Vinolas, Albert | | Suárez Navarro, Carla | | Verdasco, Fernando |
|
| Svezia (1) |
|---|
| Larsson, Johanna |
| | Svizzera (6) |
|---|
| Bacsinszky, Timea | | Bencic, Belinda | | Chiudinelli, Marco | | Golubic, Viktorija | | Voegele, Stefanie | | Wawrinka, Stan |
| | Taiwan (2) |
|---|
| Hsieh, Su-Wei | | Lu, Yen-Hsun |
| |
| Turchia (1) |
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| Buyukakcay, Cagla |
| | Ucraina (7) |
|---|
| Bondarenko, Kateryna | | Dolgopolov, Alexandr | | Kozlova, Kateryna | | Marchenko, Illya | | Stakhovsky, Sergiy | | Svitolina, Elina | | Tsurenko, Lesia |
| | Regno Unito (7) |
|---|
| Broady, Naomi | | Edmund, Kyle | | Evans, Daniel | | Konta, Johanna | | Murray, Andy | | Robson, Laura | | Watson, Heather |
| | Stati Uniti (38) |
|---|
| Baker, Brian | | Bellis, CiCi | | Brengle, Madison | | Chirico, Louisa | | Collins, Danielle | | Crawford, Samantha | | Davis, Lauren | | Day, Kayla | | Donaldson, Jared | | Falconi, Irina | | Fratangelo, Bjorn | | Fritz, Taylor | | Gibbs, Nicole | | Harrison, Christian | | Harrison, Ryan | | Isner, John | | Johnson, Steve | | Kenin, Sofia | | Keys, Madison | | King, Vania | | Kudla, Denis | | Lepchenko, Varvara | | Mattek-Sands, Bethanie | | McDonald, Mackenzie | | McHale, Christina | | Mmoh, Michael | | Pegula, Jessica | | Querrey, Sam | | Ram, Rajeev | | Riske, Alison | | Rogers, Shelby | | Sock, Jack | | Tiafoe, Frances | | Townsend, Taylor | | Vandeweghe, Coco | | Williams, Serena | | Williams, Venus | | Young, Donald |
|
| | Usbechistan (1) |
|---|
| Istomin, Denis |
|