December 29 2023 - January 07 2024. The second edition of the United Cup, which brings together the best ATP Tour and Hologic WTA Tour players in an 18-country teams' event, will be played in Perth (from 29 Dec.) and Sydney (from 30 Dec.). The host cities will stage group play and quarter-finals, with four teams advancing to the semi-finals (6 ...
https://www.atptour.com/en/tournaments/multiple-locations/9900/overview