The United Cup will again whet our appetite ahead of the Australian Open with some of the world's best players hitting Sydney and Perth.
With stars such as Taylor Fritz, Alex de Minaur, Iga Swiatek and Emma Raducanu in action, the tournament promises to be an absolute cracker.
Will the USA triumph again after winning of two of the three editions in 2023 and 2025?
AllSportsPeople lists all the nations and their players for the upcoming United Cup.
MORE: United Cup 2026 schedule: All matches, tickets and dates for tennis tournament in Australia
United Cup 2026 team, player lists
Argentina
ATP: Sebastian Baez, Marco Trungelliti, Guido Andreozzi
WTA: Solana Sierra, Maria Lourdes Carle, Nicole Fossa Huergo
Australia
ATP: Alex de Minaur, Jason Kubler, John-Patrick Smith
WTA: Maya Joint, Maddison Inglis, Storm Hunter
Belgium
ATP: Zizou Bergs, Kimmer Coppejans, Sander Gille
WTA: Elise Mertens, Greet Minnen, Lara Salden
Canada
ATP: Felix Auger-Aliassime, Alexis Galarneau, Cleeve Harper
WTA: Victoria Mboko, Kayla Cross, Gabriela Dabrowski
China
ATP: Zhizhen Zhang, Rigele Te, Aoran Wang
WTA: Zhu Lin, Xiaodi You
Czechia
ATP: Jakub Mensik, Dalibor Svrcina, Adam Pavlasek
WTA: Barbora Krejcikova, Linda Fruhvirtova, Miriam Skoch
France
ATP: Arthur Rinderknech, Geoffrey Blancaneaux, Edouard Roger-Vasselin
WTA: Lois Boisson, Leolia Jeanjean, Tiantsoa Rakotomanga Rajaonah
Germany
ATP: Alexander Zverev, Patrick Zahraj, Kevin Krawietz
WTA: Eva Lys, Laura Siegemund, Mina Hodzic
Great Britain
ATP: Jack Draper, Billy Harris, Lloyd Glasspool
WTA: Emma Raducanu, Mingge Xu, Olivia Nicholls
Greece
ATP: Stefanos Tsitsipas, Stefanos Sakellaridis, Petros Tsitsipas
WTA: Maria Sakkari, Despina Papamichail, Sapfo Sakellaridi
Italy
ATP: Flavio Cobolli, Andrea Pellegrino, Andrea Vavassori
WTA: Jasmine Paolini, Nuria Brancaccio, Sara Errani
Japan
ATP: Shintaro Mochizuki, Yasutaka Uchiyama
WTA: Naomi Osaka, Nao Hibino
Netherlands
ATP: Tallon Griekspoor, Guy Den Ouden, David Pel
WTA: Suzan Lamens, Eva Vedder, Demi Schuurs
Norway
ATP: Casper Ruud, Viktor Durasovic
WTA: Malene Helgo, Astrid Brune Olsen, Ulrikke Eikeri
Poland
ATP: Hubert Hurkacz, Daniel Michalski, Jan Zielinski
WTA: Iga Swiatek, Katarzyna Kawa, Katarzyna Piter
Spain
ATP: Jaume Munar, Carlos Taberner, Inigo Cervantes
WTA: Jessica Bouzas Maneiro, Andrea Lazaro Garcia, Yvonne Cavalle-Reimers
Switzerland
ATP: Stan Wawrinka, Jakub Paul, Luca Castelnuovo
WTA: Belinda Bencic, Celine Naef, Naima Karamoko
USA
ATP: Taylor Fritz, Mackenzie McDonald, Christian Harrison
WTA: Coco Gauff, Varvara Lepchenko, Nicole Melichar-Martinez
United Cup 2026 tickets
Tickets are onsale for all United Cup match-days, including finals.