Completed Matches

Sat 5 January

Final: Switzerland d Germany 2-1

Roger Federer (SUI) d Alexander Zverev (GER) 6-4 6-2
Angelique Kerber (GER) d Belinda Bencic (SUI 6-4 7-6(6)
Bencic / Federer (SUI) d Kerber / Zverev (GER) 4-0 1-4 4-3(4)

Fri 4 January

Day: Spain d France 2-1

Garbine Muguruza (ESP) d Alize Cornet (FRA) 6-1 6-3
David Ferrer (ESP) d Lucas Pouille (FRA) 6-4 6-7(5) 7-6(2)
Cornet / Pouille (FRA) d Whitney Osuigwe * / Ferrer (ESP) 4-2 4-2

*  Osuigwe replaced Garbine Muguruza, who withdrew due to injury

Night: Germany d Australia 2-1

Angelique Kerber (GER) d Ash Barty (AUS) 6-4 6-4
Alexander Zverev (GER) d Matt Ebden (AUS) 6-4 6-3
Barty / Ebden (AUS) d Kerber / Zverev (GER) 4-0 4-3(1)

Thu 3 January

Day: Great Britain d USA 2-1

Cameron Norrie (GBR) d Frances Tiafoe (USA) 7-6(4) 6-0
Serena Williams (USA) d Katie Boulter (GBR) 6-1 7-6(2)
Boulter / Norrie (GBR) d Williams / Tiafoe (USA) 3-4(2) 4-3(4) 4-1

Night: Greece d Switzerland 2-1

Roger Federer (SUI) d Stefanos Tsitsipas (GRE) 7-6(5) 7-6(4)
Maria Sakkari (GRE) d Belinda Bencic (SUI) 6-3 6-4
Sakkari / Tsitsipas (GRE) d Bencic / Federer (SUI) 4-3(4) 2-4 4-3(3)

Wed 2 January

Day: Germany d France 2-1

Angelique Kerber (GER) d Alize Cornet (FRA) 5-7 6-2 6-4
Alexander Zverev (GER) d Lucas Pouille (FRA) 6-3 6-7(8) 6-2
Cornet / Pouille (FRA) d Kerber / Zverev (GER) 4-3(4) 4-3(3)

Night: Australia d Spain 2-1

Ash Barty (AUS) d Garbine Muguruza (ESP) 6-3 6-4
David Ferrer (ESP) d Matt Ebden (AUS) 7-6(1) 7-5
Barty / Ebden (AUS) d Muguruza / Ferrer (ESP) 3-4(3) 4-3 4-3(3)

Tues 1 January

Night: Switzerland d USA 2-1

Roger Federer (SUI) d Frances Tiafoe (USA) 6-4 6-1
Serena Williams (USA) d Belinda Bencic (SUI) 4-6 6-4 6-3
Bencic / Federer (SUI) d Williams / Tiafoe (USA) 4-2 4-3(3)

Mon 31 December

Day: Greece d USA 2-1

Stefanos Tsitsipas (GRE) d Frances Tiafoe (USA) 6-3 6-7(3) 6-3
Serena Williams (USA) d Maria Sakkari (GRE) 7-6(3) 6-2
Sakkari / Tsitsipas (GRE) d Williams / Tiafoe 4-1 1-4 4-2

Sun 30 December

Day: Germany d Spain 3-0

Angelique Kerber (GER) d Garbine Muguruza (ESP) 6-2 3-6 6-3
Alexander Zverev (GER) d David Ferrer (ESP) 6-4 4-6 7-6(0)
Kerber / Zverev (GER) d Muguruza / Spain (ESP) 4-2 4-3(3)

Night: Switzerland d Great Britain 3-0

Roger Federer (SUI) d Cameron Norrie (GBR) 6-1 6-1
Belinda Bencic (SUI) d Katie Boulter (GBR) 6-2 7-6(0)
Bencic / Federer (SUI) d Boulter / Norrie (GBR) 4-3(4) 4-1

Sat 29 December

Day: Great Britain d Greece 2-1

Cameron Norrie (GBR) d Stefanos Tsitsipas (GRE) 7-6(8) 6-4
Maria Sakkari (GRE) d Katie Boulter (GBR) 6-0 4-6 6-2
Boulter / Norrie (GBR) d Sakkari / Tsitsipas (GRE) 4-3 3-4(2) 4-3(4)

Night: Australia d France 2-1

Ash Barty (AUS) d Alize Cornet (FRA) 7-5 6-3
Matt Ebden (AUS) d Lucas Pouille (FRA) 3-6 7-6(5) 6-2
Cornet /Pouille (FRA) d Barty / Ebden (AUS) 4-3(4) 4-2