Country | ATP | WTA |
Greece | Stefanos Tsitsipas, Michail Pervolarakis, Stefanos Sakellaridis, Petros Tsitsipas | Maria Sakkari, Despina Papamichail, Valentini Grammatikopoulou, Sapfo Sakellaridi |
Poland | Hubert Hurkacz, Kamil Majchrzak, Daniel Michalski, Lukasz Kubot | Iga Swiatek, Magda Linette, Weronika Falkowska, Alicja Rosolska |
USA | Taylor Fritz, Frances Tiafoe, Denis Kudla, Hunter Reese | Jessica Pegula, Madison Keys, Alycia Parks, Desirae Krawczyk |
Spain | Rafael Nadal, Pablo Carreno Busta, Albert Ramos-Vinolas, David Vega Hernandez | Paula Badosa, Nuria Parrizas Diaz, Jessica Bouzas Maneiro |
Italy | Matteo Berrettini, Lorenzo Musetti, Andrea Vavassori, Marco Bortolotti | Martina Trevisan, Lucia Bronzetti, Camila Rosatello, Nuria Brancaccio |
France | Arthur Rinderknech, Adrian Mannarino, Manuel Guinard, Edouard Roger-Vasselin | Caroline Garcia, Alize Cornet, Leolia Jeanjean, Jessika Ponchet |
Australia | Nick Kyrgios, Alex de Minaur, Jason Kubler, John Peers | Ajla Tomljanovic, Zoe Hives, Maddison Inglis, Samantha Stosur |
Croatia | Borna Coric, Borna Gojo, Matija Pecotic | Petra Martic, Donna Vekic, Tara Wurth, Petra Marcinko |
Switzerland | Stan Wawrinka, Marc-Andrea Huesler, Dominic Stricker, Alexander Ritschard | Belinda Bencic, Jil Teichmann, Ylena In-Albon, Joanne Zuger |
Germany | Alexander Zverev, Oscar Otte, Daniel Altmaier, Fabian Fallert | Laura Siegemund, Jule Niemeier, Anna-Lena Friedsam, Julia Lohoff |
Brazil | Thiago Monteiro, Felipe Meligeni Alves, Matheus Pucinelli de Almeida, Rafael Matos | Beatriz Haddad Maia, Laura Pigossi, Carolina Alves, Luisa Stefani |
Belgium | David Goffin, Zizou Bergs, Kimmer Coppejans, Michael Geerts | Elise Mertens, Alison Van Uytvanck, Magali Kempen, Kirsten Flipkens |
Czech Republic | Jiri Lehecka, Tomas Machac, Lukas Rosol, Dalibor Svrcina | Petra Kivitova, Marie Bouzkova, Jesika Maleckova |
Great Britain | Cameron Norrie, Daniel Evans, Jan Choinski, Jonny O’Mara | Harriet Dart, Katie Swan, Anna Brogan, Ella McDonald |
Argentina | Diego Schwartzman, Francisco Cerundolo, Federico Coria, Andres Molteni | Nadia Podoroska, Maria Carle, Paula Ormaechea |
Norway | Casper Ruud, Viktor Durasovic, Andreja Petrovic | Ulrikke Eikeri, Malene Helgo, Lilly Haseth |