[2] Germany won the title after Alexander Zverev saved two match points in his singles tie against Hubert Hurkacz.
[4] Perth and Sydney hosted three groups of three countries in a round robin format and two quarterfinals.
16 countries qualified based on their ATP/WTA singles rankings on 16 October 2023, and players' commitment to play at the event.
[8] The last 2 qualified countries, the 6th by ATP or WTA rankings, were announced on 21 November 2023.
If still tied then the following procedures decide the group order: the most match wins (singles and doubles), then the highest percentage of matches won, then percentage of sets and then games won.