United Cup Tennis 2026 Knockout stage

 Bracket

Quarterfinals

Semifinals

Final

7 January – Perth

United States

2

10 January – Sydney

Greece

1

United States

1

9 January – Sydney

Poland

2

Poland

2

11 January – Sydney

Australia

1

Poland

2

7 January – Perth

Switzerland

1

Switzerland

2

10 January – Sydney

Argentina

1

Switzerland

2

8 January – Sydney

Poland

1

Czech Republic

1

Belgium

2

Quarterfinals

United States vs. Greece

United States 2	Perth, RAC Arena 7 January 2025		Greece 1
1 2 3 1 Coco Gauff Maria Sakkari 6 3 6 2     2 Taylor Fritz Stefanos Tsitsipas 4 6 5 7     3 Coco Gauff / Christian Harrison Maria Sakkari / Stefanos Tsitsipas 4 6 6 4 [10] [8]

Poland vs. Australia

Poland 2	Sydney, Ken Rosewall Arena 9 January 2025		Australia 1
1 Iga Świątek Maya Joint 6 1  6  1     2 Hubert Hurkacz Alex de Minaur 4 6    6  4 4 6   3 Katarzyna Kawa / Jan Zieliński Storm Hunter / John-Patrick Smith 6 4 6 0

Switzerland vs. Argentina

Switzerland 2	Perth, RAC Arena 7 January 2025		Argentina 1
1 2 3 1 2 3 1 Belinda Bencic Solana Sierra 6 2 6 2     2 Stan Wawrinka Sebastián Báez 5 7 4 6     3 Belinda Bencic / Jakub Paul María Lourdes Carlé / Guido Andreozzi 6 3 6 3

Czech Republic vs. Belgium

Czech Republic 1	Sydney, Ken Rosewall Arena 8 January 2025		Belgium 2
1 Jakub Menšík Zizou Bergs 2 6 64 77     2 Barbora Krejčíková Elise Mertens 7 5 1 6 5 7   3 Linda Fruhvirtová / Dalibor Svrčina Greet Minnen / Sander Gillé 613 715 6 3 [10] [3]

Semifinals

United States vs. Poland

United States 1	Sydney, Ken Rosewall Arena 10 January 2026		Poland 2
1 2 3 1 Taylor Fritz Hubert Hurkacz 61 77 62 77     2 Coco Gauff Iga Świątek 6 4 6 2     3 Coco Gauff / Christian Harrison Katarzyna Kawa / Jan Zieliński 65 77 63 77

Switzerland vs. Belgium

Switzerland 2	Sydney, Ken Rosewall Arena 10 January 2026		Belgium 1
1 2 3 1 Belinda Bencic Elise Mertens 6 3 4 6 77 60   2 Stan Wawrinka Zizou Bergs 3 6 77 64 3 6   3 Belinda Bencic / Jakub Paul Elise Mertens / Zizou Bergs 6 3 0 6 [10] [5]

Final

Poland vs. Switzerland

Poland 2	Sydney, Ken Rosewall Arena 11 January 2026		Switzerland 1
1 2 3 1 Iga Świątek Belinda Bencic 6 3 0 6 3 6   2 Hubert Hurkacz Stan Wawrinka 6 3 3 6 6 3   3      Katarzyna Kawa / Jan Zieliński Belinda Bencic / Jakub Paul 6 4 6 3